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commercial installation in Ruckinge

Commercial Solar Installation in Ruckinge, Kent (TN26)

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Commercial solar can turn otherwise unused roof space into an asset capable of generating electricity for decades.

Sunbright Energy recently completed an 11.83kW commercial solar installation across Units 4 & 5 at Fairview Industrial Park on Hamstreet Road, Ruckinge, Kent, designed to reduce the amount of electricity purchased from the grid while making productive use of the available roof space.

The completed system combines 26 Trina Vertex S+ solar panels with two Fox ESS F Series (G3) 6kW string inverters and is expected to generate approximately 12,398kWh of clean electricity every year.

Interestingly, that’s considerably more electricity than the units currently consume annually.

With an estimated five-year payback period and £110,039 in projected savings over 25 years, this installation is a useful example of the potential business case for commercial solar in Kent.

Let’s dive into this full project:

System Size

(26 x 455W)

Solar Generation

(per annum)

Total Savings

(Over 25 years)

An Overview of the Ruckinge Project

Location: Ruckinge, Kent, TN26

Property: Units 4 & 5, Fairview Industrial Park

Solar Array Size: 11.83kW

Solar panels: 26 × Trina Vertex S+ 455W

Inverter: 2 × Fox ESS F Series (G3) 6kW

Expected Annual Generation: 12,398kWh

Annual Electricity Consumption: 8,000kWh

Unlike many of our residential projects, this installation doesn’t include battery storage. Instead, the system has been designed to generate electricity for direct use across the units while exporting substantial surplus generation back to the grid.

ruckinge solar panels

The System in Ruckinge

26 Trina Solar Panels Across Two Industrial Units

For this project, we installed 26 Trina Vertex S+ 455W Dual Glass N-Type Mono solar panels, creating a total solar capacity of:

11.83kW

One of the advantages commercial and industrial buildings can have when considering solar is the amount of roof space available.

Rather than leaving that space unused, a correctly designed solar array can turn it into a long-term source of electricity for the business.

For this particular installation, the system is expected to generate approximately:

12,398kWh per year

But good commercial solar design isn’t simply about fitting the maximum number of panels possible.

The system still needs to be designed around the available roof space, expected generation, electricity consumption, electrical infrastructure and financial objectives of the customer.

That becomes particularly clear when we compare this project’s annual generation with its annual electricity consumption.

Two Fox ESS F Series G3 Inverters

The 26 solar panels are connected to two Fox ESS F Series (G3) 6kW single-phase string inverters.

The solar panels generate DC electricity, while the buildings operate using AC electricity. The inverters perform the essential job of converting that generated DC electricity into AC electricity that can be used on-site or exported.

This is another example of why the inverter specified for a solar installation should reflect what the system is actually designed to do.

Many of our residential solar and battery projects use Fox ESS hybrid inverters because those systems need to manage both solar generation and battery storage.

This project doesn’t include a battery, so the system uses dedicated Fox ESS string inverters instead.

The biggest or most complicated inverter isn’t automatically the best option. The right equipment is the equipment that suits the system.

At Sunbright Energy, Fox ESS are always our go to inverter & battery brand thanks to their reliability, high efficiency and fantastic customer service. 

Sunbright Energy are also the only Fox ESS Approved Installer in Kent.

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US
fox ess inverter

Generating More Electricity Than the Units Consume Annually

Units 4 & 5 have an estimated annual electricity consumption of 8,000kWh

The new solar array is expected to generate 12,398kWh.

That means annual solar generation is equivalent to approximately 155% of the units’ current annual electricity consumption.

At first glance, you might assume that means the buildings no longer need electricity from the grid – it doesn’t.

One of the most important things to understand about solar is that when electricity is generated matters just as much as how much is generated overall.

The detailed modelling for this project predicts that the 12,398kWh of annual solar generation will be divided approximately as follows:

  • 2,857kWh used directly on-site
  • 9,541kWh exported to the grid

Meanwhile, the 8,000kWh of annual consumption is expected to come from:

  • 2,857kWh directly from solar
  • 5,143kWh from the grid

So although the system produces substantially more electricity than the units consume over an entire year, grid electricity is still required when demand occurs at times when the panels aren’t generating enough.

This is why annual generation figures should never be viewed in isolation when assessing a commercial solar proposal.

Why Doesn’t This Commercial Solar System Have a Battery?

Many of the Sunbright Energy installations we share combine solar panels with battery storage.

This particular commercial system was designed without a battery.

And that demonstrates an important point: battery storage isn’t automatically necessary for every solar installation.

A battery can store excess solar generation and make it available later, potentially increasing the amount of electricity consumed on-site rather than exported.

But whether that represents the best investment for a commercial property depends on several factors, including:

  • When electricity is consumed
  • How much solar electricity is generated
  • Import electricity prices
  • Available export rates
  • Battery installation costs
  • Time-of-use tariffs
  • Future electricity requirements
  • Backup-power requirements

For a system like this, with substantial projected exports, battery storage could change the way electricity moves through the site. But whether doing so would produce a better financial return needs to be properly modelled rather than assumed.

That’s why at Sunbright Energy, we don’t believe a battery should simply be added to every solar quotation.

The complete system should be designed around what makes sense for the property and customer.

commercial solar installation in ruckinge, Kent

What Could This Commercial Solar Installation Save?

Financial return is naturally one of the biggest considerations for any business investing in solar.

For this project, the original modelling assumes an electricity import price of:

29p/kWh

Without solar, annual electricity expenditure was modelled at approximately:

£2,320

The installation can then create financial value in two ways.

First, electricity generated and consumed directly by the units replaces electricity that would otherwise need to be purchased from the grid.

Second, the substantial amount of surplus solar electricity can be exported, creating additional value subject to the export arrangement in place.

The long-term financial model for the system projects:

Estimated payback period: 5 years

Projected total savings over 25 years: £110,039

For a commercial property, that long-term picture can be particularly important.

Solar isn’t simply an environmental improvement. When the numbers work, it becomes an investment in the building’s future energy costs.

These figures are projections rather than guaranteed returns. Actual financial performance will depend on factors including electricity prices, export rates, consumption patterns, solar generation, equipment performance and changes over the lifetime of the system.

Solar financial savings vary greatly based on each unique property and the type of system installed. If you’d like an estimate for what your unique property could save with solar panels, enter your postcode below to get a savings estimate in 60 seconds:

Please enter a valid UK postcode to get started
solar panel savings kent

Why a Five-Year Projected Payback Matters for a Business

Commercial customers will often assess solar differently from a residential homeowner.

Rather than focusing only on reducing the next electricity bill, businesses may consider:

  • Initial capital investment
  • Annual energy savings
  • Export value
  • Payback period
  • Long-term return
  • Exposure to future electricity prices
  • Carbon reduction

For this installation, the modelling estimates that the initial investment could be recovered through the financial benefits of the system in approximately five years.

After that point, the solar panels can continue generating electricity for many years, which is what contributes to the projected £110,039 of total savings over 25 years.

It’s a good demonstration of why suitable commercial roof space is worth assessing rather than simply viewing it as part of the building.

Solar panel layout kent
The design for this Commercial Solar Installation in Ruckinge, Kent.

Reducing CO₂ by an Estimated 2.57 Tonnes Per Year

The financial case is only one side of this project.

The 11.83kW solar installation is also expected to reduce carbon emissions by approximately:

2,567kg of CO₂ every year

According to the project modelling, that’s equivalent to approximately:

  • 9,168 miles travelled by car
  • The CO₂ absorbed by around 118 trees

For businesses looking to reduce the carbon associated with their operations, generating electricity on-site provides a measurable way to make progress.

And because this installation is expected to export significant amounts of electricity, its impact isn’t limited to the energy consumed within Units 4 & 5. Surplus low-carbon electricity can also be fed back into the grid.

How Commercial Solar Differs From Residential Solar

The principle behind solar remains the same whether panels are installed on a house, church or industrial unit.

The design process, however, can be very different.

Commercial properties can have much larger usable roof areas, potentially allowing substantially larger solar arrays.

Electricity consumption patterns can also differ. A business operating heavily during daylight hours may be able to use a large proportion of its solar generation directly, while another property may export much more.

Battery storage also needs to be assessed differently.

As this project demonstrates, a commercial solar system can be designed without batteries where the modelling supports that approach. On another site, battery storage could form a major part of the energy strategy.

That’s why commercial solar should be designed around real electricity consumption, roof space, operating patterns and financial objectives rather than simply scaling up a residential package.

commercial installation in Ruckinge

Considering Commercial Solar for Your Kent Business?

If you own or manage an industrial unit, warehouse, office or other commercial property in Kent or the surrounding South East, your roof could represent a significant opportunity to generate your own electricity.

At Sunbright Energy, we can assess factors including your historical electricity consumption, available roof space, daytime demand, expected solar generation, export potential and whether battery storage would add value.

From there, we can design a system around the actual requirements of your business and provide detailed modelling of the potential financial and environmental benefits.

As this project at Fairview Industrial Park demonstrates, commercial solar isn’t simply about putting panels on a large roof.

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

Are solar panels worth it for commercial buildings?

They can be, particularly where a property has suitable roof space and the relationship between electricity consumption, solar generation and export creates favourable economics. This Ruckinge commercial installation has an estimated payback period of approximately five years based on the project modelling.

Can an industrial unit generate more solar electricity than it uses?

Yes. This system is expected to generate approximately 12,398kWh per year compared with annual electricity consumption of around 8,000kWh. However, the units will still need grid electricity because solar generation and electricity consumption don’t always happen at the same time.

What happens to excess electricity from commercial solar panels?

Subject to the site’s connection and export arrangements, surplus solar electricity can be exported to the grid. The financial value of those exports will depend on the applicable commercial export agreement and rate.

Does a commercial solar installation need battery storage?

Not necessarily. Batteries can increase the amount of generated electricity retained on-site, but whether storage improves the overall investment depends on consumption patterns, import tariffs, export rates, battery costs and other factors. This particular Ruckinge installation was designed without battery storage.

How quickly can commercial solar panels pay for themselves?

There is no standard commercial solar payback period because every building and business is different. For this 11.83kW installation in Ruckinge, Kent, the financial modelling estimates a five-year payback period and £110,039 in total savings over 25 years. These are projections rather than guaranteed returns.

solar panels in godstone

Solar Panels on a Church Roof in Godstone, Surrey (RH9)

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The Sunbright Energy team recently completed a 9.3kW solar and battery installation at St Stephen’s Church in Godstone, Surrey, demonstrating how churches, community facilities and other non-residential buildings can also benefit from generating their own electricity.

With annual electricity consumption of approximately 10,999kWh, this building had a significant opportunity to reduce the amount of electricity it needed to purchase directly from the grid.

The completed system combines 20 Aiko solar panels, a Fox ESS H3 Smart three-phase hybrid inverter and 11.5kWh of Fox ESS battery storage.

Together, the system is expected to generate approximately 7,152kWh of clean electricity every year, with the potential to significantly reduce both the church’s electricity costs and its reliance on grid energy.

Let’s dive into this full project:

System Size

(20 x 465W)

Solar Generation

(per annum)

Total Savings

(Over 25 years)

Project Overview

Location: Godstone, Surrey, RH9

Solar Array Size: 9.3kW

Solar panels: 20 × Aiko Neostar 2S 465W All Black ABC N-Type Mono

Inverter: Fox ESS H3 Smart 10kW three-phase hybrid inverter

Battery: Fox ESS EP12

Expected Annual Generation: 7,152kWh

Annual Electricity Consumption: 10,999kWh

Why Solar Can Make Sense for Churches and Community Buildings

When people think about solar panels, residential rooftops are often the first thing that comes to mind.

However, the same basic principle applies to many other types of property.

Churches, like this one in Godstone, community buildings, charities, offices and businesses can all have significant ongoing electricity requirements. In some cases, they can actually be particularly well suited to solar because a proportion of that electricity is consumed during daylight hours.

Depending on the building, daytime loads might include lighting, offices, kitchens, audio-visual equipment, electrical systems and other facilities.

When solar panels are producing electricity at the same time that the building needs it, that electricity can be consumed directly on-site instead of being purchased from the grid.

Add battery storage, and some of the electricity that isn’t needed immediately can be saved for later.

For organisations looking to reduce operating costs while also lowering their carbon footprint, that can create a compelling case for solar.

The System in Godstone

20 Aiko Solar Panels

For St Stephen’s Church, we installed 20 Aiko Neostar 2S 465W All Black ABC N-Type Mono solar panels.

Together, these provide a total installed solar capacity of 9.3kW.

The system is expected to generate approximately 7,152kWh of clean electricity per year.

Solar generation estimates aren’t based solely on multiplying the number of panels by their rated output.

When designing a system, factors such as the property’s geographical location, roof orientation, available sunlight and shading all affect how much electricity the panels are likely to generate over the course of a year.

For this project, annual electricity consumption is approximately 10,999kWh.

The predicted solar generation is therefore equivalent to roughly 65% of the building’s total annual electricity usage.

That doesn’t mean the panels will automatically provide 65% of the electricity the building needs, however.

Electricity needs to be available at the right time, which is where the battery becomes important.

Fox EP12 Battery

Solar panels generate electricity whenever there is sufficient daylight, but buildings don’t necessarily consume electricity at exactly the same time.

Without battery storage, solar electricity that isn’t required by the building at that moment will generally be exported to the grid.

The Fox ESS EP12 battery storage system installed at St Stephen’s allows more of that electricity to remain on-site.

When the solar array is producing more electricity than the building requires, available surplus energy can charge the battery. That stored electricity can then be used later when the solar panels aren’t producing enough to meet demand.

If you’d like to learn more about the EP12 Battery, and who it’s best suited too, click here. 

(P.S At Sunbright Energy, Fox ESS are always our go to inverter & battery brand thanks to their reliability, high efficiency and fantastic customer service. 

Sunbright Energy are also the only Fox ESS Approved Installer in Kent)

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US
fox ess battery in godstone

Where Will St Stephen’s Church’s Electricity Come From?

This is where we can see the potential impact of the completed system more clearly.

The building currently consumes approximately:

10,999kWh per year

Our modelling predicts that this annual consumption could be supplied through approximately:

3,062kWh directly from solar

2,555kWh via battery storage

5,382kWh directly from the grid

In other words, solar and battery-supplied electricity together could account for approximately 51% of the building’s annual electricity consumption.

That means the amount of electricity St Stephen’s needs to draw directly from the grid could potentially be reduced by roughly half.

For a building with substantial annual electricity requirements, that’s a meaningful change

What Could the Solar Installation Save?

Before the installation, the building’s annual electricity bill was modelled at approximately:

£3,410

With the solar and battery system operating, the projected annual electricity bill falls to approximately:

£1,669

That’s an estimated first-year electricity saving of:

£1,741

But there is another part of the equation.

Not every unit of electricity generated by the solar panels will be used directly or stored in the battery.

The model predicts that approximately 1,300kWh could be exported to the grid each year.

Assuming an export tariff of 12p/kWh, that could provide approximately:

£156 in first-year export income

Once that is taken into account, the building’s modelled effective electricity cost falls further to approximately:

£1,513 for the first year

That’s a combined projected first-year benefit of approximately £1,897 from reduced electricity purchases and export payments.

These calculations are based on an assumed import electricity rate of 31p/kWh and export rate of 12p/kWh. Actual savings will vary depending on future electricity prices, export tariffs, consumption and real-world solar generation.

If you’d like an estimate of what your specific property would save with solar panels, enter your postcode below and get your savings in 60 seconds: 

Please enter a valid UK postcode to get started
solar panels church

What Happens to Solar Electricity the Church Doesn’t Use?

A well-designed solar and battery system effectively creates an order of priority for the electricity being generated.

First, solar electricity can meet demand within the building.

Available surplus electricity can then charge the battery.

Once the battery cannot accept additional energy, remaining surplus can be exported to the grid.

Eligible accredited solar installations in the UK may receive payments for exported electricity through the Smart Export Guarantee (SEG), subject to the requirements and tariffs offered by electricity suppliers.

Although using solar electricity on-site will often provide the greatest value, export payments mean surplus generation doesn’t necessarily go to waste.

fox ess inverter godstone

£78,595 in Projected Savings Over 25 Years

Solar should ultimately be considered as a long-term investment.

Based on the modelling completed for this installation, St Stephen’s Church could achieve estimated energy bill savings of:

£78,595 over 25 years

As with any long-term solar projection, that isn’t a guaranteed return.

Electricity prices, export rates, future consumption, equipment performance and gradual solar-panel degradation will all influence the actual financial results.

But for churches, community organisations and businesses, there is a broader benefit to consider.

Electricity is an ongoing operating cost.

Generating a proportion of that electricity on-site reduces the amount that needs to be purchased from an energy supplier and can therefore provide greater control over the building’s long-term energy expenditure.

godstone church solar

Reducing the Church’s Carbon Footprint

The financial benefits were only one part of this project.

The solar installation in Godstone is expected to reduce CO₂ emissions by approximately:

1,432kg every year

According to the project modelling, that’s equivalent to approximately:

  • 5,115 miles of car travel
  • The CO₂ absorbed by around 66 trees

For churches, charities, community organisations and businesses looking to reduce their environmental impact, solar can therefore provide measurable carbon reductions alongside lower dependence on grid electricity.

What This Godstone Installation Shows

The St Stephen’s Church project demonstrates three important things about solar.

First, solar isn’t just for residential properties.

If a church, community building or business has suitable roof space and meaningful electricity consumption, there may be a strong opportunity to generate a proportion of that electricity on-site.

Second, when electricity is consumed matters.

Buildings with daytime energy requirements can potentially consume solar electricity as it is being generated, reducing the amount they need to purchase from the grid.

Third, battery storage can extend the value of solar beyond the hours when the panels are producing electricity.

Instead of immediately exporting all surplus generation, some of that energy can be stored and used when the building needs it later.

Most importantly, though, the system needs to be designed around the property.

A solar installation for a church with three-phase electricity and almost 11,000kWh of annual consumption requires a different approach from a standard residential home.

That’s why system design matters.

solar panels in godstone

Could Solar Work for Your Church, Business or Community Building?

St Stephen’s Church in Godstone is a good example of what can be achieved when solar panels, battery storage and the correct inverter are designed around the specific energy requirements of a building.

For this project, a 9.3kW solar array and 11.5kWh battery system could potentially reduce direct grid electricity requirements by around half, while delivering meaningful financial and environmental benefits over the system’s lifetime.

If you manage a church, business, charity or community building in Surrey, Kent or the surrounding South East and are considering solar, the Sunbright Energy team can assess your electricity consumption, roof space, electrical supply and battery requirements to determine what kind of system makes sense for your property.

The important question isn’t simply how many solar panels will fit on the roof.

It’s how we can design the complete system to make the best use of the energy your building actually needs.

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

Can churches have solar panels installed in the UK?

Yes. Solar panels can be installed on churches and other community buildings where the property is suitable, although structural, planning and any building-specific permission requirements need to be considered before installation.

Are solar panels worth it for churches and community buildings?

They can be. Buildings with meaningful daytime electricity consumption can be particularly well suited to solar because electricity can be used while the panels are generating. The financial case will depend on the building’s consumption, available roof space, electricity tariffs and system design.

Can a church or commercial solar system include battery storage?

Yes. Battery storage allows surplus solar electricity to be stored and used later instead of immediately exporting it to the grid. At St Stephen’s Church, an 11.5kWh Fox ESS battery was installed alongside the 9.3kW solar array.

How much electricity can a 9.3kW solar system generate in the UK?

It depends on the property’s location, roof orientation, shading and other site-specific factors. For this 9.3kW solar installation in Godstone, Surrey, annual generation is estimated at approximately 7,152kWh.

How much can solar panels save a non-residential building?

Savings depend on electricity consumption, solar generation, tariffs and how much electricity can be used on-site. For this particular Godstone project, modelling predicts approximately £1,897 of combined first-year benefit from reduced electricity purchases and export payments, with estimated energy bill savings of £78,595 over 25 years. These figures are projections rather than guaranteed returns.

fox ess solar inverter

Fox ESS Solar Inverters: How to Choose the Right One for Your Home in 2026

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If you have already started researching solar panels, there is a good chance you have come across Fox ESS.

You may even have a quotation in front of you containing a model such as the Fox H1-G2 6kW, KH10, H3 Smart or H3 Pro.

But what do those names actually mean? More importantly, how do you know which inverter is the right one for your property?

In this guide, we will break down the main Fox ESS inverter options available in 2026, explain what each is designed for and help you understand which one is likely to suit your home.

If you are a homeowner in Kent or the surrounding areas and already have a Fox ESS quotation that you would like help understanding, you can also contact the Sunbright Energy team for advice.

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US

What Does a Solar Inverter Actually Do?

Solar panels generate direct-current electricity, or DC. Your home uses alternating-current electricity, or AC.

The inverter converts one into the other.

Modern hybrid inverters do considerably more than that, though. Depending on the system, they can also:

  • Manage battery charging and discharging
  • Decide whether solar electricity should power the home, charge the battery or be exported
  • Allow batteries to charge from cheaper off-peak grid electricity
  • Provide system monitoring
  • Support backup or EPS functionality when configured appropriately

That is why the inverter should be designed around the whole energy system, not simply the number of panels on the roof.

To learn more about how solar inverters actually work, read our full guide here. 

Fox ESS inverter and battery

The 5 Things That Determine Which Fox ESS Solar Inverter You Need

Before comparing individual Fox models, there are five important questions to answer.

1. Is Your Property Single Phase or Three Phase?

Most UK homes have a single-phase electricity supply.

Larger homes, properties with unusually high electricity demand and some newer or extensively upgraded properties may have three-phase electricity.

This is one of the first dividing lines in the Fox ESS range.

For most single-phase homes, the main options are the H1/AC1-G2 and KH/KA ranges.

For three-phase properties, you are more likely to be looking at H3 Smart or H3 Pro.

2. How Large Is Your Solar Array?

A typical residential solar array may only require a 3–6kW inverter.

A much larger property with a substantial roof and higher energy demand could need 8kW, 10kW, 15kW or more.

That does not mean bigger is automatically better. It means the inverter has to be matched correctly to the way the array is designed and expected to perform.

If you want help understanding how many solar panels your home needs, click here. 

solar panels kent

3. How Complicated Is Your Roof?

This is where MPPTs become important.

An MPPT allows an inverter to independently optimise different groups, or strings, of solar panels.

That matters when panels are installed:

  • Across multiple roof faces
  • At different orientations
  • In areas affected differently by shading

A homeowner with panels split between east, west and south-facing roofs may benefit from an inverter with more MPPT flexibility than someone with a simple single-roof array.

4. Do You Want Battery Storage?

If you are installing solar and a battery together, a hybrid inverter is generally the natural starting point.

But battery plans matter even if you are not installing storage immediately.

Choosing a battery-ready inverter now can make it much easier to add storage in the future without having to redesign the entire system.

5. How Might Your Energy Usage Change?

Good solar design should look forward as well as backwards.

Ask whether you may eventually add:

  • An electric vehicle
  • A heat pump
  • More solar panels
  • Additional battery storage
  • A home extension
  • Backup power requirements

The right inverter should be suitable not only for the home you have today, but also for how you expect to use electricity in five or ten years.

solar panels kent

Fox ESS H1-G2 and AC1-G2: Best for Most Standard UK Homes

For many UK homeowners, the H1-G2 will be the most relevant place to start.

It is a single-phase hybrid inverter available in 3kW, 3.7kW, 5kW and 6kW versions.

It can be paired with Fox ESS high-voltage batteries including the EP, EQ and CQ ranges, and supports solar oversizing of up to 200%.

Who Is the H1-G2 Best For?

The H1-G2 is particularly well suited to:

  • Typical 2–4 bedroom homes
  • Standard single-phase electricity supplies
  • Solar arrays in the 3–6kW region
  • Homeowners installing a battery now
  • Homeowners who may want to add storage later

It can work in both DC-coupled and AC-coupled configurations, giving installers considerable flexibility.

For a brand-new solar and battery installation, DC coupling usually allows excess solar electricity to move efficiently into the battery.

fox ess solar inverter

What About the AC1-G2?

The AC1-G2 is aimed more specifically at battery retrofits.

If you already have solar panels and want to add battery storage without replacing your entire solar setup, an AC-coupled system can be an effective solution.

In simple terms:

New standard solar/battery system → H1-G2

Existing solar system adding storage → AC1-G2

For a conventional single-phase residential installation, the H1-G2 will often be the first Fox inverter worth considering.

fox ess solar

Fox ESS KH/KA Series: Best for Larger Single-Phase Homes

What happens when your home is still single phase, but your solar array is considerably larger?

That is where the KH/KA Series becomes more relevant.

The range is available in:

  • 7kW
  • 8kW
  • 9kW
  • 10kW

It also offers three or four MPPTs, providing more design flexibility for larger or more complicated arrays.

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US

Who Is the KH/KA Best For?

The KH/KA range is well suited to:

  • Larger family homes
  • Larger single-phase solar arrays
  • Properties with higher electricity consumption
  • Solar panels across several roof orientations
  • Larger battery-storage requirements

Like the H1-G2, it can operate as part of a new hybrid system, an AC-coupled application or a battery-ready installation.

It can also be paired with Fox ESS EP, EQ and CQ battery options.

For example, a homeowner wanting a clean wall-mounted battery solution may choose the Fox EP12, whereas a high-consumption property requiring substantial scalable storage may benefit more from one of the stackable EQ options.

The simple distinction is: 

H1-G2 for a typical single-phase home; KH/KA when the single-phase solar system becomes significantly larger or more complex.

fox k series inverter

Fox ESS H3 Smart: Best for Larger Three-Phase Homes

The H3 Smart moves us into three-phase territory.

It is available in 5kW, 6kW, 8kW, 10kW, 12kW and 15kW models and is designed for larger residential properties and smaller commercial installations.

It includes three MPPTs, EPS functionality and the option to install it with batteries immediately or leave the system battery-ready.

Who Is the H3 Smart Best For?

Think:

  • Large residential property
  • Three-phase supply
  • Substantial solar array
  • Higher energy usage
  • More significant battery requirements

It can pair with Fox ESS high-voltage batteries including EP and modular EQ/CQ-family storage solutions.

Depending on the battery architecture chosen, storage can range from relatively modest residential capacities to much larger systems.

The key distinction from the KH range is very simple:

  • KH/KA = larger single-phase property.
  • H3 Smart = larger three-phase property.

If your installer has specified an H3 Smart, there should therefore be a clear reason why the system requires three-phase operation.

fox ess inverter

Fox ESS H3 Pro: For Very High-Demand Homes

The H3 Pro is another three-phase hybrid inverter, but it is intended for much higher-demand applications.

Available in:

  • 15kW
  • 20kW
  • 25kW
  • 30kW

it offers two battery inputs, three MPPTs and considerably greater battery scalability.

With compatible Fox ESS storage, EP-based systems can reach around 92kWh, while larger EQ/CQ configurations can exceed 160kWh per inverter.

Who Actually Needs an H3 Pro?

Typical applications include:

  • Very large homes
  • High-consumption properties
  • Multiple EVs
  • Significant heat-pump demand
  • Large solar arrays
  • Very substantial battery systems

For the vast majority of UK homes, an H3 Pro would be unnecessary.

That is important because bigger is not automatically better.

However, for a homeowner with three-phase power and unusually high electricity demand, the H3 Pro gives installers considerably more design headroom.

We have used this kind of configuration ourselves on high-demand properties where large-scale battery storage is an important part of the homeowner’s energy strategy.

h3 pro inverter

What About the Fox ESS H3 Plus?

The H3 Plus is another step up again.

With inverter options between approximately 50kW and 125kW, multiple battery inputs and storage capacity potentially reaching hundreds of kilowatt-hours, this is fundamentally a commercial energy-storage platform.

It is not something the average homeowner needs to spend much time considering.

If you are researching a normal residential solar system and your installer is discussing an H3 Plus, you are almost certainly looking at a project well beyond the scale of a conventional home installation.

So as you can see – there’s a lot of options!

If you’d like help choosing the right solar inverter for your home, contact our team here. We’re Fox ESS Approved Partners, and the only Approved Partner in Kent. 

Fox ESS Inverter Comparison

Fox inverter Supply Inverter sizes Best suited to
H1-G2 Single phase 3–6kW Standard new residential solar/battery systems
AC1-G2 Single phase 3–6kW Adding battery storage to existing solar
KH/KA Single phase 7–10kW Larger homes and more complex solar arrays
H3 Smart Three phase 5–15kW Large homes and smaller commercial systems
H3 Pro Three phase 15–30kW Very high-demand homes and larger projects
H3 Plus Three phase 50–125kW Commercial installations
h3 plus inverter

Does a Bigger Inverter Mean a Better Solar System?

No.

This is one of the easiest mistakes to make when comparing solar quotations.

Seeing a 10kW inverter on one quote and a 6kW inverter on another does not automatically mean the first system is better.

Correct inverter sizing should consider:

  • Solar-array capacity
  • Roof orientation
  • MPPT requirements
  • Expected generation
  • Battery charging requirements
  • Household peak demand
  • DNO/export limitations
  • Future expansion

Solar arrays can also legitimately be larger than their nominal inverter output, which is why simply comparing panel wattage with inverter wattage does not tell you whether a design is good or bad.

A properly designed 5kW inverter can be a considerably better choice than an unnecessarily specified 10kW inverter.

fox ess

Which Fox ESS Battery Should You Pair With Your Inverter?

The battery should be considered alongside the inverter rather than chosen afterwards.

For many homes, the EP range is attractive because it provides a slimline wall-mounted solution with modular expansion.

Options include the EP6 and EP12, with multiple units able to operate together when more capacity is required.

For homeowners needing significantly larger storage capacity, the EQ/CQ ranges provide modular, floor-mounted stackable solutions.

These can make particular sense where:

  • Total capacity is the priority
  • Energy consumption is high
  • Storage may need to expand considerably
  • Cost-effective scaling matters more than having a wall-mounted battery

The important point is that battery choice, inverter choice and household energy usage should all be designed together.

If you wanted a comparison between Fox ESS and other solar inverters, we created a full list of our Top 5 Solar Inverter Brands in the UK. Take a read here. 

fox ess battery

Why Sunbright Energy Uses Fox ESS Inverters

Fox ESS is our battery and inverter partner of choice because its range allows us to design very different systems around very different homes.

Rather than having one inverter that has to work for everyone, the ecosystem gives us:

  • Single-phase and three-phase options
  • Small and large residential inverters
  • Retrofit solutions
  • Battery-ready systems
  • Scalable storage
  • Smart monitoring through Fox Cloud
  • UK-based technical support

Sunbright Energy is also the only Fox ESS Approved Partner in Kent, and our installation standards have been recognised directly by Fox ESS themselves.

That does not mean we believe every homeowner needs the same Fox inverter.

Quite the opposite.

The real advantage of the range is that we can choose the equipment around the property rather than forcing the property around the equipment.

fox ess battery storage

Already Been Quoted for a Fox ESS Inverter?

If you already have a solar quotation in front of you, take a closer look at the inverter specification.

Ask:

  • Is it designed for my electricity supply?
  • Is the size appropriate for my solar array?
  • Does it have enough MPPT flexibility for my roof?
  • Will it support the battery I want?
  • Can the system expand later?
  • Has it been designed around my actual electricity consumption?

Those questions are much more useful than simply asking which quotation includes the largest inverter.

If you are a homeowner in Kent or the surrounding areas and have received a quotation containing Fox ESS equipment, feel free to contact the Sunbright Energy team. We can explain what the specification means and discuss what we would recommend for your property.

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
fox ess battery storage

Final Verdict

There is no single “best” Fox ESS inverter.

For most normal residential installations, the H1-G2 is likely to be the most relevant option.

For larger single-phase homes, look towards KH/KA.

For three-phase homes, H3 Smart becomes the logical step up, while the H3 Pro is better reserved for genuinely high-demand properties.

And if you are considering the H3 Plus, you are almost certainly looking at a commercial-scale project.

The key principle is straightforward:

The best inverter isn’t the one with the biggest number on the label. It’s the one that has been properly designed around your home.

If you are considering solar panels, battery storage or an upgrade to an existing system in Kent or the surrounding areas, our team can help design a Fox ESS system around your roof, electricity usage and future energy plans.

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

Which Fox ESS inverter is best for a normal UK home?

For many standard single-phase homes, the Fox ESS H1-G2 is the most relevant starting point. It is available from 3–6kW and supports hybrid, battery-ready residential installations. The correct size still depends on the solar array and household requirements.

What is the difference between the Fox H1-G2 and KH?

The H1-G2 covers smaller single-phase systems between 3kW and 6kW. The KH/KA range covers larger 7–10kW single-phase systems and provides additional MPPT flexibility for bigger or more complicated solar arrays.

Can I add a Fox ESS battery to my solar system later?

In many cases, yes. Battery-ready hybrid systems allow storage to be added later, while AC-coupled solutions such as the AC1-G2 are specifically useful for retrofitting battery storage to existing solar installations.

Do I need a three-phase Fox ESS inverter?

Only where the property’s electrical supply and system design require three-phase operation. Fox ESS H3 Smart and H3 Pro inverters are designed for three-phase applications.

What size Fox ESS inverter do I need for my solar panels?

It depends on more than panel capacity. A good installer should consider your array size, roof orientation, MPPT requirements, battery plans, export limitations, expected electricity consumption and future energy needs before selecting the inverter.

Fox ess battery iver

In-Roof Solar & Battery Installation in Iver (SL0)

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The Sunbright Energy team recently completed a GSE in-roof solar and battery installation for a homeowner in Iver, SL0.

Unlike a conventional solar installation, these panels were integrated directly into the roof structure itself. The result is a much cleaner, lower-profile finish that makes the solar array feel like part of the roof rather than an addition sitting on top of it.

The completed system in Iver includes a 2.79kW solar array, a Fox ESS hybrid inverter and an 11.5kWh Fox ESS EP12 battery.

For homeowners planning a roof replacement, extension or major renovation, this project is a strong example of why it can make sense to consider solar at the same time.

Let’s dive into this full project:

System Size

(6 x 465W)

Solar Generation

(per annum)

Total Savings

(Over 25 years)

Project Overview

Location: Iver, Buckinghamshire, SL0

Solar Array Size: 2.79kW

Solar panels: 6 × Aiko Neostar 2S 465W All Black ABC N-Type Mono panels

Inverter: Fox ESS H1 G2 6.0kW single-phase hybrid inverter

Battery: Fox ESS EP12

Expected Annual Generation: 1,624kWh

Annual Household Consumption: 6,500kWh

What Is a GSE In-Roof Solar System?

Most solar panels are installed using an on-roof mounting system. The existing roof covering stays in place, and the panels are fixed above it using rails and brackets.

A GSE in-roof system works differently.

Instead of sitting above the roof, the solar panels replace part of the normal roof covering. The roof is prepared, the integration trays are installed, and the panels then sit within that system as part of the finished roof structure.

You can see this process clearly in the installation photos from this project, starting with the exposed roof structure, followed by the GSE mounting trays, and finally the completed solar array.

The biggest advantage is the finished appearance. The panels sit much closer to the roofline, creating a sleek, integrated look that can be particularly attractive on homes where aesthetics are important.

solar panels in iver

Why Choose In-Roof Solar Panels in Iver?

There are several reasons why a homeowner might choose an in-roof solar system in Iver.

Cleaner Appearance

Because the panels are integrated into the roof rather than mounted above it, the overall finish is much more streamlined.

For homeowners who want solar without the more obvious “bolted-on” appearance of a traditional system, this can make a significant difference.

No Need for a Conventional Bird Barrier

With standard on-roof panels, there is normally a gap between the panels and the roof covering.

That space can attract birds looking to nest underneath the array, which is why bird protection mesh is commonly installed around the perimeter.

With an in-roof system, there is no large open cavity underneath the panels in the same way, removing the need for the conventional bird barrier used on many above-roof systems.

soalr panel system iver

Ideal When Replacing or Renovating a Roof

In-roof solar can be particularly attractive when you are already replacing part or all of the roof.

Instead of paying for roof tiles or slates across the entire area and then covering some of them with solar panels afterwards, the solar system itself replaces part of the roof covering.

There can also be practical savings if roofing and solar work are coordinated at the same time, such as avoiding the need for separate scaffolding visits later.

That does not mean in-roof solar is always the cheapest option, but when solar is planned alongside roofing work, it can make excellent financial and practical sense.

Six High-Performance Aiko Solar Panels

This system uses six Aiko Neostar 2S 465W All Black ABC N-Type Mono solar panels.

Together, the panels provide a total installed capacity of:

2.79kW

Although six panels may sound relatively modest compared with some larger installations, panel count alone does not tell the full story.

The amount of electricity a system generates depends on several factors, including:

  • Panel output
  • Roof orientation
  • Shading
  • Local sunlight levels
  • Available roof area

For this property, the system is expected to generate approximately:

1,624kWh of clean electricity per year

The all-black Aiko panels also work particularly well visually with the GSE system, creating a neat and cohesive finish within the existing slate roof.

gse in roof solar panels Buckinghamshire

Fox ESS Hybrid Inverter and EP12 Battery in Iver

Alongside the solar panels, the homeowner also chose a Fox ESS H1 G2 6.0kW hybrid inverter and a Fox ESS EP12 11.5kWh battery.

The inverter acts as the control centre of the system, managing how electricity moves between:

  • The solar panels
  • Battery Storage
  • The home
  • And the grid

The battery then allows excess electricity generated during the day to be stored and used later.

But in this installation, the battery has an important role beyond simply storing solar energy.

The property uses around 6,500kWh of electricity per year, significantly more than the solar array is expected to generate.

That means smart battery management and time-of-use tariffs become particularly valuable.

At Sunbright Energy, Fox ESS are always our go to inverter & battery brand thanks to their reliability, high efficiency and fantastic customer service. 

Sunbright Energy are also the only Fox ESS Approved Installer in Kent. 

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US
fox ess battery storage iver

Buying Electricity at Better Times

One of the biggest advantages of modern battery storage is that it can be charged from the grid as well as from solar panels.

For this property, the system is expected to supply annual electricity usage through a combination of:

  • 1,140kWh directly from solar
  • 3,136kWh through the battery
  • 2,224kWh directly from the grid

The battery-supplied figure is much higher than the amount of solar energy passing through the battery because the system can also charge from the grid during lower-cost periods.

This creates an opportunity to use a time-of-use electricity tariff.

Instead of buying electricity at a higher rate during the day, the battery can be charged when prices are cheaper and then discharged when electricity would otherwise cost more.

Based on the modelling used for this project, battery management could provide up to:

£564 in additional annual savings

Actual savings will depend on electricity tariffs, charging schedules and how the household uses energy, but the principle is simple: buy energy when it is cheap, store it, and use it when prices are higher.

solar panel installer iver

What Could the System Save?

Before the installation, the property’s annual electricity cost was estimated at approximately:

£2,047

With the solar and battery system in place, the model predicts the effective annual electricity cost could fall to around:

£1,151

That represents an estimated initial saving of:

£896 per year

With additional smart battery management, the effective annual electricity cost could fall further to approximately:

£587

Over 25 years, the system is estimated to deliver total energy bill savings of:

£39,047

These figures are projections rather than guarantees. Future electricity prices, household consumption, weather, battery settings and system performance will all influence the final outcome.

However, they demonstrate the value of designing the battery around the wider energy strategy rather than simply matching it to the size of the solar array.

These figures are projections rather than guarantees. Actual savings will depend on energy use, future tariff rates, weather, export payments and how the system is operated.

If you’d like a full savings estimate based on your unique home, enter your postcode below and get your savings estimate in 60 seconds:

Please enter a valid UK postcode to get started

Environmental Impact

The installation is also expected to reduce the property’s carbon emissions by around:

332kg of CO₂ per year

That is equivalent to approximately:

  • 1,187 miles of car travel
  • The annual carbon absorption of around 15 trees

A Great Option for Homes Undergoing Roof Work

This Iver project is a particularly useful example for homeowners who are already planning:

  • A new roof
  • An extension
  • Major roof repairs
  • A wider property renovation

Solar does not have to be added as a separate project years later.

By considering solar during the roofing stage, the system can be built into the property from the outset, creating a cleaner appearance and potentially avoiding unnecessary material and access costs.

The important part is choosing the right approach for the home.

For some properties, a conventional on-roof system will remain the most practical option. For others, especially where roof work is already taking place, GSE in-roof solar can be a very attractive solution.

What This Iver Project Shows

This project demonstrates that even a relatively compact solar array can form part of a highly effective home-energy system when it is designed properly.

The combination of:

  • 2.79kW of integrated solar
  • 11.5kWh of battery storage
  • Smart battery management
  • Time-of-use tariff flexibility

gives the homeowner much more control over how and when they buy electricity.

It also shows why solar design should consider the whole property rather than simply the number of panels that can fit on the roof.

solar installer buckinghamshire

Thinking About Going Solar in Iver?

If you are a homeowner in Kent, London or the surrounding South East and are planning roof work, an extension or major renovation, it is worth considering solar before the roofing work is complete.

The Sunbright Energy team can assess your roof, energy usage, battery requirements and tariff opportunities to determine whether an in-roof or conventional solar system is the better fit for your property.

We provide FREE detailed quote packs along with a complete savings estimate tailored to your property. 

Click the button below to get in touch with the Sunbright Energy team today. 

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

Are in-roof solar panels better than on-roof solar panels in Iver?

Neither option is universally better. In-roof panels provide a cleaner, integrated appearance and can make particular sense during roofing work, while conventional on-roof systems remain a strong option for many existing roofs in Iver and the wider UK.

Are GSE in-roof solar panels suitable when replacing a roof?

Yes. Roof replacement is one of the best times to consider an in-roof solar system because the panels can replace part of the conventional roof covering rather than being installed on top afterwards.

Do in-roof solar panels need bird protection?

Normally, no conventional perimeter bird barrier is required because there is not the same open cavity beneath the panels that you find with a standard on-roof installation.

Can you have a large battery with a small solar system?

Yes. Battery sizing can be based on household electricity usage and smart tariff strategies as well as solar generation. This project combines a 2.79kW solar array with an 11.5kWh battery for exactly that reason.

How much can a solar and battery system save in Iver?

Savings vary significantly according to system size, usage, tariffs, battery settings and generation. For this Iver project, the model estimated total energy bill savings of around £39,047 over 25 years.

solar installation in wimbledon

Flat Roof Solar Installation in Wimbledon (SW19): Solar with a Fox ESS Battery

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The Sunbright Energy team recently completed a flat-roof solar and battery installation for a homeowner in Wimbledon, London.

This project shows that a solar system does not need to be unusually large to deliver meaningful results. By making careful use of the available roof space and pairing the solar array with appropriately sized battery storage, the system is expected to supply a substantial proportion of the property’s annual electricity demand..

This system is expected to generate around 4,459kWh of clean electricity each year, reduce reliance on the grid and create further savings through smart battery management.

For homeowners in Wimbledon and South West London with a suitable flat roof, this installation is a strong example of what can be achieved through careful system design.

System Size

(24 x 465W)

Solar Generation

(per annum)

Total Savings

(Over 25 years)

Project Overview

Location: Wimbledon, London, SW19

Solar Array Size: 5.115kW

Solar panels: 11 × Aiko Neostar 2S 465W panels

Inverter: Fox ESS H1 G2 6.0kW Hybrid Inverter

Battery: Fox ESS EP12

Expected Annual Generation: 4,459kWh

Annual Household Consumption: 5,600kWh

The system was designed around the property’s estimated annual electricity consumption of 5,600kWh. Rather than simply filling the roof with panels, the aim was to create a balanced installation that could generate useful electricity during the day, store surplus energy and support lower-cost overnight charging.

solar installer wimbledon

Making Effective Use of a Flat Roof

Flat roofs are sometimes overlooked by homeowners considering solar panels. There is a common assumption that a pitched, south-facing roof is required to achieve worthwhile results.

That is not necessarily the case.

A flat roof can provide useful design flexibility because the panel arrangement is not dictated by an existing roof pitch. Instead, the mounting system and layout can be designed around the available space, expected sunlight, shading and structural requirements.

For this Wimbledon property, the 11 panels were arranged as a compact, low-profile array across the available roof area. The completed installation uses the space efficiently while maintaining suitable access around the system.

Flat-roof solar design requires careful consideration of:

  • The roof’s structure and condition
  • Wind loading
  • Panel angle and orientation
  • Drainage
  • Row spacing and shading
  • Safe maintenance access

This is why an accurate survey and bespoke design are so important. A good flat-roof installation is not simply a pitched-roof system placed on a different surface. It must be engineered around the property.

solar panel design wimbledon

Designing the System Around the Home

The homeowner uses around 5,600kWh of electricity each year.

This level of demand made battery storage an important part of the design. Solar panels produce most of their electricity during daylight hours, but many households use more power in the morning and evening.

Without a battery, a larger proportion of the system’s midday generation would be exported to the grid. By including an 11.5kWh Fox ESS EP12, the homeowner can store more of that surplus electricity and use it later.

The system was designed to:

  • Produce a meaningful proportion of the home’s annual electricity
  • Reduce daytime grid imports
  • Store excess solar generation for evening use
  • Charge at lower-cost times under a suitable tariff
  • Reduce exposure to peak electricity prices

The result is a well-balanced residential system rather than an unnecessarily oversized one.

solar panel installation in wimbledon

The System in Wimbledon

11 Aiko Neostar 2S Solar Panels

The array comprises 11 Aiko Neostar 2S 465W All Black ABC N-Type Mono solar panels, giving a total installed capacity of 5.115kW.

These high-output panels allow a strong total capacity to be achieved from a relatively compact roof area. Their all-black appearance also gives the completed array a clean and consistent finish.

The system is expected to generate approximately:

4,459kWh per year

Actual output will vary with weather, seasonal sunlight, shading and long-term panel performance, but the projected figure provides a useful basis for estimating energy savings.

Fox ESS H1 G2 Hybrid Inverter

The solar panels are connected to a Fox ESS H1 G2 6.0kW single-phase hybrid inverter.

The inverter converts the direct-current electricity produced by the panels into alternating-current electricity that can be used within the home.

Fox ESS EP12 Battery Storage

The installation includes one Fox ESS EP12 battery, providing 11.5kWh of storage capacity.

The battery gives the homeowner two main opportunities to save.

First, it can store excess solar electricity generated during the day. That energy can then be used during the evening or overnight instead of purchasing electricity from the grid.

Second, the battery can charge during cheaper off-peak periods under a suitable time-of-use tariff. That lower-cost electricity can then be used when standard rates are higher.

This means the battery is not only a place to store solar generation. It also acts as a wider energy-management tool.

At Sunbright Energy, Fox ESS are always our go to inverter & battery brand thanks to their reliability, high efficiency and fantastic customer service. 

Sunbright Energy are also the only Fox ESS Approved Installer in Kent. 

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US
fox ess sunbright energy

Expected Annual Energy Performance

The system is expected to generate 4,459kWh of electricity per year.

The projected generation breakdown is:

  • 1,653kWh used directly within the home
  • 647kWh stored from solar and later supplied through the battery
  • 2,118kWh exported to the grid
  • 41kWh accounted for through charging losses

The property’s estimated annual consumption is 5,600kWh, supplied by:

  • 1,653kWh directly from solar
  • 2,799kWh through the battery
  • 1,148kWh directly from the grid

Overall, the model suggests that close to 80% of the property’s annual electricity use could be supplied through direct solar generation and the battery, leaving around 20% to be imported directly from the grid.

Projected Electricity Bill Savings

Before the installation, the property’s annual electricity cost was estimated at:

£1,764

With the solar panels and battery operating under the tariff assumptions used in the proposal, the annual import bill is expected to fall to:

£556

That represents a projected first-year bill saving of:

£1,208

The system is also expected to export surplus electricity to the grid.

Using an assumed export rate of 16p per kWh, the model predicts around £149 in first-year export payments. This would reduce the effective annual electricity cost to approximately:

£406

When the reduced import bill and export income are considered together, the model indicates a total first-year benefit of around £1,358 before additional battery optimisation.

estimated savings solar panels

These figures are projections rather than guarantees. Actual savings will depend on energy use, future tariff rates, weather, export payments and how the system is operated.

If you’d like a full savings estimate based on your unique home, enter your postcode below and get your savings estimate in 60 seconds:

Please enter a valid UK postcode to get started

Environmental Impact

The system is expected to reduce the property’s carbon emissions by around:

915kg of CO₂ each year

That is equivalent to approximately:

  • 3,267 miles travelled by car
  • The annual carbon absorption of around 42 trees

Alongside the financial savings, the homeowner will therefore be reducing the environmental impact of the electricity used within the property.

What This Wimbledon Project Shows

This project demonstrates that a flat-roof solar system does not need to be especially large or complicated to produce strong results.

The most important factor is not simply how many panels can fit on the roof. It is how well the complete system is designed around the property and the homeowner’s electricity use.

In this case, the combination of a 5.115kW solar array, 11.5kWh battery and hybrid inverter is expected to reduce the homeowner’s grid reliance substantially while creating several different sources of financial value.

The best solar system is not always the biggest one. It is the system designed around the roof, household demand and the way the homeowner actually uses electricity.

solar in wimbledon

Thinking About Going Solar in Wimbledon?

If you own a home in Wimbledon, South West London or the surrounding areas and are considering solar panels for a flat roof, the first step is a professional assessment of the available space, roof condition, energy usage and battery requirements.

At Sunbright Energy, we provide FREE detailed quote packs along with a complete savings estimate tailored to your property. 

Click the button below to get in touch with the Sunbright energy team today. 

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

Are flat roofs suitable for solar panels in Wimbledon?

Yes. Flat roofs can be well suited to solar panels, provided the structure, mounting design, wind loading, drainage and shading are properly assessed.

How much electricity can a 5kW solar system generate in London?

Output depends on panel orientation, angle, shading and local conditions. This 5.115kW Wimbledon system is expected to generate approximately 4,459kWh per year.

Is an 11.5kWh battery suitable for a 5kW solar system?

It can be. An 11.5kWh battery may suit homeowners who want to store daytime solar generation and charge during cheaper off-peak periods. The right capacity depends on household usage and tariff strategy.

Can flat-roof solar panels work with battery storage?

Yes. The roof type affects how the panels are mounted, but it does not prevent the system from working with battery storage or a hybrid inverter.

How much could solar panels save a homeowner in Wimbledon?

Savings depend on consumption, tariffs, export rates and battery use. For this project, the model estimated a £1,208 first-year import-bill saving, increasing to around £1,358 after expected export payments.

solar installation sevenoaks

Flat Roof Solar Installation in Sevenoaks: 11.16kW Solar with 41.9kWh Storage

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The Sunbright Energy team recently completed a large solar and battery installation for a homeowner in Sevenoaks, Kent.

Unlike a typical residential installation on a pitched roof, this system was designed around a substantial flat-roof area. The finished installation combines 24 high-efficiency Aiko solar panels with a 10kW Fox ESS hybrid inverter and nine Fox ESS battery modules.

Together, the system provides 11.16kW of solar capacity and 41.9kWh of battery storage.

The property uses approximately 16,800kWh of electricity each year, so a small, standard system would not have been sufficient. Instead, we designed the installation around the homeowner’s higher energy demand, available roof space and opportunity to use time-of-use electricity tariffs.

It is an excellent example of how a carefully designed flat-roof solar system can deliver substantial generation, lower grid reliance and much greater control over household energy costs.

System Size

(24 x 465W)

Solar Generation

(per annum)

Total Savings

(Over 25 years)

Project Overview

Location: Sevenoaks, Kent
Solar array: 11.16kW
Solar panels: 24 × Aiko Neostar 2S 465W All Black panels
Inverter: Fox ESS KH 10kW single-phase hybrid inverter
Battery storage: 9 × Fox ESS EQ4800 modules
Total battery capacity: 41.9kWh
Expected annual solar generation: 10,467kWh
Annual household electricity consumption: 16,800kWh
Estimated annual CO₂ reduction: 2,155kg

Are Flat Roofs Suitable for Solar Panels in Sevenoaks?

Some homeowners in Sevenoaks assume that a flat roof is less suitable for solar than a conventional pitched roof. In practice, a flat roof can provide an excellent platform for a solar installation when the array is designed correctly.

On a pitched roof, panel orientation and angle are largely dictated by the building itself. A flat roof can give the designer more flexibility over how the panels are positioned.

Depending on the property, this can make it possible to optimise:

  • Panel angle and orientation
  • Spacing between rows
  • Shading management
  • Access for maintenance
  • Overall system capacity

The mounting design must still account for wind loading, roof structure, drainage and the possibility of one row shading another. It is therefore important that a flat-roof installation is properly surveyed and engineered rather than treated as a standard pitched-roof project.

For this Sevenoaks property, the available space allowed us to create a large 24-panel array capable of generating more than 10,000kWh of electricity in a typical year.

solar panel installers sevenoaks

Designing for a High-Energy-Use Home

This property consumes around 16,800kWh of electricity annually, which is considerably more than many standard households.

That level of consumption meant the system needed to do more than produce electricity during sunny daytime periods. It also needed to make energy available later in the day and provide enough storage capacity to support smart battery management.

The design objectives were clear:

  • Generate a meaningful proportion of the property’s annual electricity
  • Store excess solar production for later use
  • Reduce reliance on expensive peak-rate grid electricity
  • Take advantage of cheaper time-of-use tariffs
  • Give the homeowner greater control over long-term energy costs

This is why the installation combines a large solar array with almost 42kWh of battery storage.

solar panels in kent

The System in Sevenoaks

24 Aiko Neostar 2S Solar Panels

The array uses 24 Aiko Neostar 2S 465W All Black ABC N-Type Mono solar panels.

Together, these provide a total installed solar capacity of:

11.16kW

Aiko panels are a strong option where high output and efficient use of roof space are priorities. Their all-black finish also provides a clean, consistent appearance, while the high panel rating allowed us to create a substantial array without requiring an excessive number of individual modules.

The system is expected to generate approximately 10,467kWh of clean electricity each year.

Actual generation will naturally vary according to weather conditions, seasonal sunlight, shading and system performance, but the estimate provides a realistic basis for modelling the homeowner’s likely savings.

Fox ESS KH 10kW Hybrid Inverter

The panels are connected to a Fox ESS KH 10kW single-phase hybrid inverter.

The inverter converts the direct-current electricity produced by the panels into alternating-current electricity that can be used within the property.

As a hybrid inverter, it also manages the interaction between the solar array, battery system, household demand and electricity grid. It decides whether available solar energy should be used immediately, stored in the batteries or exported.

This integrated approach gives the homeowner a much more flexible energy system than solar panels alone.

41.9kWh of Fox ESS EQ4800 Battery Storage

The installation includes a stack of nine Fox ESS EQ4800 battery modules, providing a combined usable storage capacity of approximately 41.9kWh.

This is a substantial battery system, but it is appropriate for a home consuming 16,800kWh per year.

A smaller battery could fill quickly on a sunny day and might not provide enough stored energy to cover the property’s larger evening and overnight loads. The larger EQ4800 system gives the homeowner far more scope to store solar generation and charge from the grid when electricity is cheaper.

The stackable EQ format also makes it well suited to installations where a high storage capacity is required without spreading multiple separate batteries across a large area.

At Sunbright Energy, Fox ESS are always our go to inverter & battery brand thanks to their reliability, high efficiency and fantastic customer service. 

Sunbright Energy  are also the only Fox ESS Approved Installer in Kent. 

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

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battery storage sevenoaks

How the System Is Expected to Perform

Our detailed energy model estimates annual solar generation of around 10,467kWh.

Of the energy produced by the panels, approximately:

  • 4,494kWh is expected to be used directly in the home
  • 1,483kWh is expected to pass through battery storage
  • 4,430kWh is expected to be exported to the grid

The property’s total annual consumption is approximately 16,800kWh. The model predicts that this demand will be supplied by:

  • 4,494kWh from solar directly
  • 8,828kWh through the battery
  • 3,478kWh directly from the grid

The larger battery figure includes energy managed through the battery across the year, including electricity that may be charged from the grid during cheaper tariff periods. It is therefore not limited to solar energy stored during the day.

This distinction is important. Battery storage is not only being used to retain surplus solar electricity; it is also acting as an energy-management tool.

Estimated Electricity Bill Savings

Before the installation, the homeowner’s annual electricity bill was modelled at approximately:

£5,292

After installing the solar and battery system and moving from a flat tariff to a suitable variable tariff, the projected annual bill falls to:

£2,017

That represents an estimated first-year saving of:

£3,275

The homeowner may also receive payments for eligible electricity exported through the Smart Export Guarantee. Based on the assumptions used in the proposal, export payments could reduce the effective annual electricity cost to approximately £1,837.

These figures are projections rather than guarantees. Actual savings will depend on energy use, future tariff rates, weather, export payments and how the system is operated.

If you’d like a full savings estimate based on your unique home, enter your postcode below and get your savings estimate in 60 seconds:

Please enter a valid UK postcode to get started

Saving More Through Battery Management

One of the biggest advantages of installing 41.9kWh of storage is the ability to use time-of-use electricity tariffs more effectively.

Battery management allows the system to charge from the grid at fixed times when electricity is inexpensive. The stored electricity can then be used later, avoiding more expensive imports during peak periods.

For example, the batteries might charge overnight on a low-rate tariff and then power the property during the morning and evening, when electricity prices are higher.

Without scheduled battery management, the system would normally prioritise charging from surplus solar. While that still provides savings, it may leave valuable battery capacity unused during darker periods or during winter.

The project model estimates that intelligent battery management could deliver up to:

£1,379 in additional annual savings

When those projected savings are included, the property’s effective first-year electricity cost could fall to approximately:

£458

For a home consuming 16,800kWh annually, that represents a significant reduction in exposure to standard grid electricity prices.

sevenoaks solar panel installers

What This Sevenoaks Project Demonstrates

This installation shows that a flat roof should not automatically be viewed as a disadvantage.

With a suitable roof structure, an appropriate mounting system and careful technical design, flat roofs can support large, productive solar arrays. In some cases, they also give the designer more control over panel positioning than a fixed pitched roof.

It also shows why solar and battery capacity should be designed around the household rather than selected from a standard package.

For this high-consumption home, the combination of an 11.16kW array and 41.9kWh battery provides several layers of value:

  • Direct use of solar electricity
  • Storage of surplus daytime generation
  • Reduced peak-rate grid imports
  • Greater use of cheaper overnight electricity
  • Potential export income
  • Improved long-term energy control
solar installation sevenoaks

Thinking About Going Solar in Sevenoaks?

For homeowners in Sevenoaks, Kent and the surrounding areas, the most useful first step is a proper assessment of the roof, electricity consumption and tariff options.

At Sunbright Energy, we provide FREE detailed quote packs along with a complete savings estimate tailored to your property. 

We’re based in Sevenoaks, and respond to all queries within 24 hours, every day of the week.

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

Can an existing Fox ESS battery system be upgraded?

Yes. In many cases, existing Fox ESS systems can be upgraded or replaced to better suit changing energy requirements. The most suitable approach depends on your current equipment and your property’s electrical setup.

Can battery storage be installed without solar panels?

Yes. Modern battery systems can be used alongside smart electricity tariffs, allowing homeowners to store low-cost electricity overnight and use it during the day. This battery storage installation we completed in Werst Malling, Kent is a perfect example.

What is a three-phase battery storage system?

A three-phase battery storage system is designed for properties with a three-phase electricity supply, providing higher power capacity and supporting larger electrical loads than single-phase systems.

How do smart tariffs work with battery storage?

Smart tariffs offer cheaper electricity during off-peak periods. Battery systems can automatically charge when electricity is at its lowest cost and discharge when prices are higher, helping reduce overall energy bills.

Is battery storage worth it without solar?

For many homeowners, yes. When combined with suitable time-of-use tariffs, battery storage can significantly reduce electricity costs by shifting energy consumption to lower-priced periods.

battery storage in west malling

Battery Storage Upgrade in West Malling (ME19): 69.12kWh of Fox ESS Battery Storage

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At Sunbright Energy, not every project starts with a blank slate.

Many homeowners already have renewable energy systems installed, but as their homes, lifestyles and energy requirements change, those systems may need to evolve too.

Recently, our team completed a battery storage upgrade for a homeowner in West Malling, Kent (ME19). Rather than installing solar panels, this project focused on replacing an existing battery system with a much larger, three-phase solution designed to better suit the property’s changing energy needs.

The result is an impressive 69.12kWh of battery storage, giving the homeowner the ability to dramatically reduce their electricity costs by making the most of low-cost overnight electricity tariffs.

Let’s dive into this project!

System Size

(Battery Storage)

Battery Units

(Fox ESS EP12)

Electricity Cost

(Overnight Rate)

Project Overview

System Specifications

Location: West Malling, Kent (ME19)

Existing System: Fox ESS Mira High Voltage Single-Phase Battery

New Inverter: Fox ESS H3 Pro 20kW Three-Phase Hybrid Inverter

Battery Storage: 6 × Fox ESS EP12 Batteries

Total Battery Capacity: 69.12kWh

Installation Type: Three-phase battery storage upgrade

fox ess battery storage west malling

Why the West Malling System Needed Upgrading

The homeowner in West Malling already had a Fox ESS battery storage system installed, but their energy requirements had changed.

Their original single-phase Fox ESS Mira battery had served them well, but it was no longer the right solution for the property’s new three-phase electrical setup.

Rather than trying to adapt a system that was no longer suitable, we removed the existing battery and designed a completely new solution around the homeowner’s current and future energy requirements.

This approach ensures the system is properly matched to the property while also providing plenty of flexibility for years to come.

It’s a reminder that renewable energy systems should evolve alongside the homes they power.

fox ess battery storage

Energy Needs Change – Your System Can Too

Many people assume that once solar panels or battery storage have been installed, that’s the end of the journey.

In reality, energy requirements often change over time.

Perhaps you’ve purchased an electric vehicle, installed a heat pump, extended your home or upgraded to a three-phase electrical supply. Whatever the reason, these changes can significantly alter how much electricity your property uses and how your renewable energy system should operate.

Rather than replacing everything unnecessarily, it’s often possible to upgrade or expand an existing system to better suit your current circumstances.

That’s exactly what this West Malling project demonstrates.

At Sunbright Energy, we don’t just install renewable energy systems—we help homeowners adapt them as their needs evolve.

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
sunbright energy kent

The New Three-Phase Battery System

To meet the homeowner’s new requirements, we installed a powerful Fox ESS three-phase battery storage system.

Fox ESS H3 Pro 20kW Hybrid Inverter

At the heart of the installation is the Fox ESS H3 Pro 20kW Hybrid Inverter.

Designed specifically for larger residential and commercial three-phase applications, the H3 Pro intelligently manages battery charging, discharging and overall energy flow throughout the property.

As part of the wider Fox ESS ecosystem, it also provides advanced monitoring through the Fox Cloud platform, allowing the homeowner to keep track of their energy usage and battery performance in real time.

Six Fox ESS EP12 Batteries

Alongside the inverter, we installed six Fox ESS EP12 batteries, providing a combined storage capacity of 69.12kWh.

This is a substantial amount of battery storage for a residential property and allows the homeowner to store a significant amount of low-cost electricity ready for use throughout the day.

With this level of storage capacity, the system is well positioned to meet high electricity demands while also providing excellent flexibility for future energy usage.

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US
fox ess inverter

Why So Much Battery Storage?

One of the first questions people often ask is:

“Why would someone need nearly 70kWh of battery storage?”

In this case, the batteries aren’t simply storing excess solar generation.

Instead, they’re being used to take advantage of smart electricity tariffs.

By charging overnight when electricity prices are significantly lower and using that stored energy during the day, the homeowner can dramatically reduce the cost of the electricity they consume.

This strategy has become increasingly popular as more suppliers introduce flexible time-of-use tariffs.

Making the Most of Smart Electricity Tariffs

Battery storage isn’t just about storing solar energy anymore.

Modern battery systems can also be used to purchase electricity when it’s cheapest and use it later when prices are much higher.

For eligible homeowners, we often recommend the E.ON Next Drive Smart tariff, which can offer overnight electricity from as little as 6.5p per kWh.*

Eligibility for this tariff depends on having a compatible electric vehicle and charger, and tariff prices and conditions may change over time.

When compared with the average electricity price of around 26.1p per kWh, that’s approximately a 75% reduction in the cost of each unit of electricity used from the battery.

By automatically charging overnight and supplying the property during the day, homeowners can significantly reduce their energy bills without changing how they use electricity.

Battery Storage, as well as solar panels can make for huge energy bill savings for many homeowners in West Malling and the wider South East – but savings depend on your specific property. 

If you’d like a full savings estimate based on your unique home, enter your postcode below and get your savings estimate in 60 seconds:

Please enter a valid UK postcode to get started

Battery Storage Isn’t Just for Homes With Solar Panels

Battery storage is often associated with solar panels, but that’s only part of the picture.

Modern battery systems are increasingly being installed to work alongside smart electricity tariffs, allowing homeowners to buy electricity when it’s cheapest and use it when prices are highest.

For some households, like this one in West Malling, this can provide substantial savings even without generating additional solar energy.

As the UK continues to move towards more flexible electricity pricing, battery storage is becoming a powerful energy management tool in its own right.

west malling battery storage

Why We Continue to Recommend Fox ESS

For this installation, we chose the Fox ESS H3 Pro Hybrid Inverter and Fox ESS EP12 battery system because they offer the reliability, scalability and intelligent energy management needed for larger battery storage projects.

The Fox ESS ecosystem also integrates seamlessly with smart monitoring and energy management platforms, making it easier for homeowners to optimise how and when they use electricity.

As the only Fox ESS Approved Partner in Kent, we’re proud to work closely with Fox ESS and install systems that deliver reliable long-term performance for our customers.

We were also named the Fox ESS Installer of the Month last month! Take a read about that here. 

fox ess kent

Thinking About Upgrading Your Existing Energy System?

If you already have solar panels or battery storage installed, it doesn’t necessarily mean your current setup is the best solution for your home today.

Whether your energy usage has increased, you’ve installed new technology, or you’re interested in making better use of smart electricity tariffs, there may be opportunities to upgrade your existing system rather than starting again.

At Sunbright Energy, we specialise in designing bespoke renewable energy solutions that evolve alongside your property and your lifestyle.

If you’re a homeowner in Kent or the surrounding areas and would like to explore whether your existing solar or battery system could be upgraded, we’d be happy to assess your current setup and recommend the most suitable solution for your needs.

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

Can an existing Fox ESS battery system be upgraded?

Yes. In many cases, existing Fox ESS systems can be upgraded or replaced to better suit changing energy requirements. The most suitable approach depends on your current equipment and your property’s electrical setup.

Can battery storage be installed without solar panels?

Yes. Modern battery systems can be used alongside smart electricity tariffs, allowing homeowners to store low-cost electricity overnight and use it during the day. This battery storage installation we completed in Werst Malling, Kent is a perfect example.

What is a three-phase battery storage system?

A three-phase battery storage system is designed for properties with a three-phase electricity supply, providing higher power capacity and supporting larger electrical loads than single-phase systems.

How do smart tariffs work with battery storage?

Smart tariffs offer cheaper electricity during off-peak periods. Battery systems can automatically charge when electricity is at its lowest cost and discharge when prices are higher, helping reduce overall energy bills.

Is battery storage worth it without solar?

For many homeowners, yes. When combined with suitable time-of-use tariffs, battery storage can significantly reduce electricity costs by shifting energy consumption to lower-priced periods.

kington upon thames solar panels

Solar & Battery Installation in Kingston Upon Thames (KT5) with Fox ESS Battery Storage

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Get in contact with Sunbright Energy today

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Recently, the Sunbright Energy team completed a solar and battery installation for a homeowner in Kingston Upon Thames (KT5).

The project combined a 6kW solar array with Fox ESS Battery Storage, allowing the homeowner to generate, store, and use more of their own electricity throughout the day and into the evening.

For properties with higher-than-average electricity consumption, systems like this can make a meaningful difference to both energy bills and long-term energy independence.

In this case study, we’ll take a closer look at the installation, expected performance, and the financial benefits the homeowner can expect over the coming years.

System Size

(12 x 500W panels)

Solar Generation

(per annum)

Total Savings

(estimate over 25 years)

Project Overview

System Specifications

Location: Kingston Upon Thames, KT5

Solar Array Size: 6kW

Solar Panels: 12 × Eurener Nexa 500W TOPCon All Black Bifacial Mono Panels

Inverter: Fox ESS H1 G2 6.0kW Hybrid Inverter

Battery Storage: Fox ESS EP12

Battery Capacity: 11.5kWh

Expected Annual Generation: 5,189kWh

Annual Property Consumption: 12,000kWh

This system was specifically designed to help a household with relatively high electricity usage maximise self-consumption while reducing the amount of energy imported from the grid.

kingston upon thames solar panels

The Solar & Battery System

Eurener Nexa 500W Bifacial Solar Panels

The installation features 12x Eurener Nexa 500W TOPCon All Black Bifacial Mono panels, delivering a total system size of 6kW.

These premium panels were selected for their:

  • High efficiency
  • Strong performance in varying conditions
  • Modern all-black appearance
  • Bifacial technology, which can help capture additional reflected light

Together, the array is expected to generate approximately 5,189kWh of clean electricity every year.

For many homeowners, that’s enough to offset a significant proportion of annual electricity consumption.

Fox ESS H1 G2 Hybrid Inverter

The system uses a Fox ESS H1 G2 6.0kW Hybrid Inverter.

The inverter is responsible for converting the electricity generated by the solar panels into usable electricity for the home while also managing battery charging and discharging.

As a hybrid inverter, it allows the solar panels and battery storage system to work together seamlessly, ensuring energy is used as efficiently as possible.

solar panels london

Fox ESS EP12 Battery Storage

To maximise self-consumption, the homeowner chose a Fox ESS EP12 battery.

With 11.5kWh of storage capacity, the EP12 allows excess solar energy generated during the day to be stored and used later when solar production falls.

This helps the homeowner:

  • Reduce electricity imports
  • Increase self-sufficiency
  • Make greater use of their solar generation
  • Take advantage of off-peak energy tariffs

To learn more about the Fox ESS EP12 Battery, click here. 

fox ess battery storage

Expected Energy Performance

The system is expected to generate around 5,189kWh of electricity each year.

That energy will be used in several different ways throughout the property.

Approximately 2,785kWh of generated electricity is expected to be used directly within the home as it is produced. A further 1,050kWh of solar generation is expected to be stored within the battery system before being used later.

However, because the battery can also be charged strategically using lower-cost off-peak electricity, it is expected to provide approximately 4,200kWh of energy to the property over the course of a year.

Around 1,288kWh is expected to be exported back to the grid, generating additional income through export payments.

Projected Energy Bill Savings

One of the biggest motivations for investing in solar and battery storage is reducing energy costs.

Before the installation, the property’s annual electricity costs were estimated at approximately:

£3,087 per year

Following the installation, those costs are expected to fall to:

£1,810 per year

That’s a projected saving of:

£1,277 per year

through solar generation and battery storage alone.

Solar savings are different for each property depending on a variety of factors. 

If you’d like an estimate as to how much solar panels, battery storage and off-peak tariffs could reduce your bills by, simply enter your postcode below to get an instant savings estimate today. 

Please enter a valid UK postcode to get started

Additional Savings Through Smart Battery Management

Battery storage offers another major advantage beyond simply storing solar energy.

By charging the battery during lower-cost overnight periods and using that electricity when prices are higher, homeowners can unlock additional savings through tariff optimisation.

For this project, the estimated additional savings are:

Up to £618 per year

When combined with solar generation and export income, the homeowner’s effective electricity costs could fall to:

£1,144 per year

This demonstrates why battery storage has become such an important part of modern solar installations.

solar panel installer kingston upon thames

Environmental Impact

The benefits of solar energy extend beyond financial savings.

This system is expected to reduce carbon emissions by approximately:

1,061kg of CO₂ every year

To put that into perspective, that’s equivalent to:

  • Driving around 3,788 fewer miles in a typical car
  • The annual carbon absorption of approximately 49 trees

For homeowners looking to reduce their environmental impact while lowering their energy bills, solar and battery storage can provide a powerful combination.

flat roof solar panels

Why Battery Storage Makes Such a Difference

One of the most important aspects of this project is the inclusion of battery storage.

It allows the homeowner to keep more of the electricity they generate, increasing self-consumption and reducing the need to purchase electricity at peak rates.

In this case, the Fox ESS EP12 battery also provides additional flexibility by allowing the homeowner to benefit from lower-cost overnight electricity tariffs.

At Sunbright Energy, Fox ESS remains one of our preferred battery and inverter manufacturers because of the combination of performance, flexibility, and value they offer homeowners.

As the only Fox ESS Approved Partner in Kent, we’re able to design and install systems that make the most of the Fox ecosystem while tailoring the solution to each property’s needs.

Learn more about Fox ESS here. 

Fox ESS Kingston Upon Thames

Thinking About Solar & Battery Storage?

This Kingston Upon Thames project demonstrates that you don’t need the largest solar system available to achieve meaningful savings.

What matters most is designing the system around the property’s energy usage and future goals.

By combining high-efficiency solar panels, battery storage, and a hybrid inverter, this homeowner is expected to significantly reduce their electricity bills while gaining greater control over their energy usage.

If you’re a homeowner in Kingston Upon Thames, London, or the surrounding areas and would like to explore whether solar panels and battery storage could work for your home, we’d be happy to help.

Our team designs every system around the individual property, ensuring you get the right balance of generation, storage, and long-term value.

Simply click the button below to get in touch with our expert team today!

Thinking about solar panels FOR YOUR HOME? 

Get in contact with Sunbright Energy today

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

How much electricity can a 6kW solar system generate?

A well-positioned 6kW solar system can typically generate around 5,000–6,000kWh per year, depending on roof orientation, shading, and location.

Is an 11.5kWh battery enough for a family home in Kingston Upon Thames?

For many households in Kingston Upon Thames, an 11.5kWh battery provides enough storage to cover evening and overnight electricity usage. The right size depends on your energy consumption patterns.

How much can solar panels save on energy bills?

Savings vary depending on electricity usage, system size, battery storage, and tariff selection. However, many homeowners can reduce their annual energy costs significantly by combining solar with battery storage.

What are bifacial solar panels?

Bifacial solar panels are designed to capture sunlight from both the front and rear of the panel, helping improve overall energy generation in suitable conditions.

Is battery storage worth it in Kingston Upon Thames?

For many homeowners, yes. Battery storage increases self-consumption, reduces grid reliance, and allows households to take advantage of lower-cost electricity tariffs in the Kingston Upon Thames area.

Top 5 Solar Batteries in the UK (39)

Sunbright Energy Named Fox ESS UK’s Installer of the Month

We’re incredibly proud to share that Sunbright Energy has been named Fox ESS UK’s Installer of the Month.

Receiving recognition like this is always a fantastic achievement, but what makes this award particularly meaningful is that it comes directly from one of the UK’s leading manufacturers of solar batteries, hybrid inverters and EV charging technology.

At Sunbright Energy, we take great pride in every installation we complete. Whether it’s a straightforward residential solar system or a large-scale battery installation, our goal is always the same: to design systems that deliver outstanding long-term performance for our customers.

Being recognised by Fox ESS is a reflection of that commitment, and we’re incredibly grateful to the Fox ESS team for selecting us.

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US

What Is the Fox ESS Installer of the Month Award?

Each month, Fox ESS highlights one installer from across its UK installer network whose work demonstrates exceptional installation quality, system design and attention to detail.

When announcing the award, Fox ESS praised the standard of installations being completed across its installer network before naming Sunbright Energy as its June Installer of the Month.

They highlighted our commitment to delivering high-output, high-efficiency systems, supported by UK-based technical expertise, seamless integration with platforms such as Axle Energy, and a focus on providing homeowners with excellent long-term value.

To receive recognition from the manufacturer whose products we install every day is something we’re extremely proud of.

Fox ESS installer of the month

Why Recognition From the Manufacturer Matters

There are plenty of awards within the renewable energy industry, but this one carries particular significance because it comes directly from Fox ESS themselves.

As the manufacturer, Fox ESS sees hundreds of installations completed by installers across the UK. They understand what makes a well-designed system, what high installation standards look like, and the importance of delivering reliable, long-lasting solutions for homeowners.

Being recognised by Fox ESS isn’t simply about installing their products—it’s about installing them to the highest possible standard.

For homeowners, that’s an important distinction.

Choosing high-quality equipment is only one part of a successful solar installation. The design of the system, the quality of the installation, and the ongoing support all play an equally important role in ensuring your investment performs as expected for years to come.

fox ess battery

Why We Choose Fox ESS

Over the past few years, Fox ESS has become our preferred manufacturer for battery storage, hybrid inverters and EV chargers.

We’ve worked with a wide range of products throughout the renewable energy industry, but Fox ESS consistently stands out for the combination of performance, reliability and value it offers UK homeowners.

Some of the reasons we continue to recommend Fox ESS include:

  • Reliable and efficient battery storage systems
  • High-performance hybrid inverters
  • Smart monitoring through the Fox Cloud platform
  • Integration with platforms such as Axle Energy for intelligent battery optimisation
  • Excellent UK-based technical support
  • A complete ecosystem that allows batteries, inverters and EV chargers to work seamlessly together

More importantly, we’ve seen these systems perform exceptionally well in real homes across Kent and the South East.

That’s why Fox ESS continues to be our manufacturer of choice.

If you want to learn more about Fox ESS products, click below to learn about some of the products we install: 

EP12 solar battery kent

The Only Fox ESS Approved Partner in Kent

Alongside this latest recognition, we’re also proud to be the only Fox ESS Approved Partner in Kent.

This accreditation reflects our experience working with Fox ESS products and our commitment to maintaining high installation standards across every project we complete.

For homeowners, working with an approved partner offers reassurance that your installer has been recognised by the manufacturer and has the knowledge and experience to design, install and support Fox ESS systems correctly.

As battery storage and smart energy management become increasingly important, choosing an experienced installer is just as important as choosing the right equipment.

What This Means for Our Customers

While we’re incredibly proud to receive this award, what matters most is what it represents.

For us, it’s not about adding another badge to our website.

It’s recognition that the systems we design and install meet the high standards expected by one of the industry’s leading manufacturers.

Every installation begins with understanding the homeowner’s property, energy usage and future plans.

Rather than recommending the same solution for every home, we take the time to design systems that genuinely suit each customer’s requirements—whether that’s solar panels, battery storage, EV charging, or a complete home energy solution.

Our aim has always been to deliver systems that provide long-term value, lower energy bills and greater energy independence.

This award reinforces the standards we strive to achieve on every single project

battery storage in croydon

Thank You to Fox ESS and Our Customers

We’re incredibly grateful to the team at Fox ESS for recognising our work and for their continued support.

We’d also like to thank every homeowner who has trusted Sunbright Energy with their solar installation. Without the confidence our customers place in us, achievements like this simply wouldn’t be possible.

Finally, a huge thank you goes to our installation team. Their professionalism, attention to detail and pride in their work are what make awards like this possible.

sunbright energy kent

Looking Ahead

The renewable energy industry continues to evolve rapidly, with advances in battery storage, smart tariffs and home energy management creating exciting opportunities for homeowners.

At Sunbright Energy, we’ll continue to work closely with Fox ESS to deliver systems that help homeowners make the most of these technologies.

Being named Fox ESS UK’s Installer of the Month is a fantastic milestone, but our focus remains exactly the same: delivering high-quality installations that stand the test of time.

If you’re a homeowner in Kent or the surrounding areas and are considering solar panels, battery storage or an EV charger, we’d be delighted to discuss the options available and help design a system that’s tailored to your home and energy goals.

Click the button below to get in touch with the Sunbright Energy team.

Thinking about FOX ESS FOR YOUR PROPERTY? 

Sunbright Energy are the only Fox ESS Approved Partner in Kent

CONTACT US
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

FAQs

What is the Fox ESS Installer of the Month award?

Fox ESS selects an installer each month who has demonstrated exceptional installation quality, system design and workmanship across its UK installer network. Sunbright Energy are the Fox ESS Installer of the month for June 2026.

What is a Fox ESS Approved Partner?

A Fox ESS Approved Partner is an installer recognised by Fox ESS for their experience, training and commitment to delivering high-quality installations using Fox ESS products. They must have completed a minimum of 150 Fox ESS installations in the past 12 months, have at least 12 months’ trading history, a 4.2+ customer review rating and they must attend regular refresher training sessions.

Why does choosing an approved installer matter?

An approved installer has experience designing and installing Fox ESS systems correctly, helping ensure your solar and battery system performs safely and efficiently for years to come.

Why does Sunbright Energy recommend Fox ESS?

We recommend Fox ESS because of its combination of reliable battery storage, high-performance hybrid inverters, smart monitoring, UK technical support and excellent value for money.

Can Sunbright Energy install Fox ESS systems across Kent?

Yes. As the only Fox ESS Approved Partner in Kent, we design and install Fox ESS solar batteries, hybrid inverters and EV chargers for homeowners across Kent and the surrounding areas.

solar installation in sevenoaks

Solar & Battery Installation in Sevenoaks (TN13): 5.4kW Solar System Across Multiple Roof Faces

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ENQUIRE ABOUT SOLAR PANELS IN SEVENOAKS

Recently, the Sunbright Energy team completed a solar and battery installation for a homeowner in Sevenoaks, Kent (TN13).

At first glance, this might look like a fairly standard residential solar installation. However, what made this project particularly interesting was the roof layout.

Unlike many homes where all of the solar panels can be installed on one large roof face, this property required the system to be split across multiple sections of the roof.

Many homeowners assume that if they don’t have one large, uninterrupted south-facing roof, solar simply isn’t an option. This project demonstrates exactly why that isn’t always the case.

With careful system design and the right combination of equipment, the homeowner is expected to generate almost 6,000kWh of clean electricity every year while significantly reducing their electricity bills and reliance on the grid.

System Size

(6x465W & 5x 515W panels)

Solar Generation

(per annum)

Total Savings

(estimate over 25 years)

Project Overview

System Specifications

Location: Sevenoaks, Kent, TN13

Solar Array Size: 5.415kW

Solar Panels:

  • 5 × Aiko Neostar 2S 465W All Black ABC N-Type Mono Panels
  • 6 × Eurener Nexa 515W TOPCon All Black Bifacial Mono Panels

Inverter: Fox ESS H1 G2 6.0kW Hybrid Inverter

Battery Storage: Fox ESS EP12

Battery Capacity: 11.5kWh

Expected Annual Generation: 5,997kWh

Annual Property Consumption: 4,999kWh

solar installation in sevenoaks

Designing Around a Complex Roof Layout in Sevenoaks

One of the most common concerns we hear from homeowners is:

“My roof probably isn’t suitable for solar.”

Often, this assumption is based on the fact that the property doesn’t have one large, uninterrupted roof area available.

This Sevenoaks installation is a perfect example of why a professional design assessment is so important.

Rather than relying on a single roof face, we designed a system that utilised multiple roof elevations to maximise the available space.

By carefully considering roof orientation, available area, and expected generation, we were able to create a system capable of producing almost 6,000kWh of electricity every year.

This demonstrates that modern solar design is about far more than simply covering one roof with as many panels as possible.

solar installers in kent

Why Roof Complexity Doesn’t Always Rule Out Solar

Many homeowners still believe that solar panels only work on large, south-facing roofs.

In reality, advances in solar technology and system design mean that properties with:

  • Multiple roof faces
  • Different roof orientations
  • More complex roof structures

can still achieve excellent results.

The key is ensuring the system is designed specifically around the property.

At Sunbright Energy, every installation begins with understanding:

  • Roof orientation
  • Available roof space
  • Shading levels
  • Household electricity usage
  • Future energy requirements

This bespoke approach ensures homeowners receive a system tailored to their home rather than a one-size-fits-all solution.

The Solar & Battery System

Premium Aiko and Eurener Solar Panels

For this installation, we selected a combination of premium Aiko and Eurener solar panels.

The system includes:

  • 5 Aiko Neostar 2S 465W panels
  • 6 Eurener Nexa 515W TOPCon Bifacial panels

Both panel ranges are known for their high efficiency, strong performance, and sleek all-black appearance.

Using different panel types allowed us to optimise the available roof space while maintaining a premium aesthetic across the property.

Together, the array is expected to generate approximately 5,997kWh of clean electricity every year.

Fox ESS H1 G2 Hybrid Inverter

The solar array is connected to a Fox ESS H1 G2 6.0kW Hybrid Inverter.

The inverter plays a crucial role within the system, converting the DC electricity generated by the solar panels into usable AC electricity for the home.

The system can be monitored through the Fox Cloud platform, giving the homeowner full visibility over their energy generation and usage.

Fox ESS are always our inverter partner of choice due to their high efficiency systems, reliability and fantastic customer service. At Sunbright Energy, we’re the only Fox ESS Approved Partner in Kent, meaning we’re your local experts on all Fox ESS systems!

fox ess inverter

Fox ESS EP12 Battery Storage

To maximise self-consumption, the homeowner also chose a Fox ESS EP12 battery storage system.

With 11.5kWh of storage capacity, the battery allows excess solar generation to be stored during the day and used later in the evening when solar production has reduced.

Battery storage systems increase the amount of solar electricity consumed within the property rather than exported back to the grid.

This leads to greater financial savings by replacing expensive imported electricity with electricity generated by the homeowner’s own solar panels.

To learn more about the Fox ESS EP12 Battery, click here. 

fox ess battery storage in sevenoaks

Annual Energy Breakdown

The system is expected to produce:

  • 1,650kWh used directly from solar
  • 535kWh stored from solar generation
  • 3,777kWh exported back to the grid

Annual household consumption is expected to be:

  • 1,650kWh supplied directly by solar
  • 2,469kWh supplied by the battery
  • 880kWh imported from the grid

These figures highlight just how much battery storage can increase self-consumption and reduce reliance on imported electricity.

Projected Energy Bill Savings

One of the biggest advantages of combining solar with battery storage is the potential for significant bill reductions.

Prior to the installation, annual electricity costs were estimated at:

£1,575 per year

Following the installation, those costs are expected to fall to:

£338 per year

That’s an estimated annual saving of:

£1,237

through solar generation and battery storage alone.

If you’d like an estimate as to how much solar panels, battery storage and off-peak tariffs could reduce your bills by, simply enter your postcode below to get an instant savings estimate. 

Please enter a valid UK postcode to get started

Export Income & Smart Battery Optimisation

The homeowner is also expected to benefit from export payments.

Based on current export assumptions, the system is predicted to generate approximately:

£257 per year

through electricity exported back to the grid.

This reduces the effective annual electricity cost to:

Just £82 per year

However, the savings don’t stop there.

Because the Fox ESS battery supports smart charge and discharge schedules, the homeowner can also take advantage of cheaper overnight electricity tariffs.

By charging the battery during off-peak periods and using that electricity later, the system could generate an additional:

£296 per year in savings

Taking all of these factors into account, our projections suggest the homeowner could actually make:

A profit of approximately £215 in the first year

from their energy system.

solar installation in sevenoaks

Long-Term Financial Benefits

Solar should always be viewed as a long-term investment.

Over the projected 25-year lifespan of this system, we estimate total energy bill savings of:

£45,243

This demonstrates how even a standard-sized residential solar installation can deliver substantial long-term financial returns.

If you want to learn more about the long term savings possible with solar power, click here to learn more. 

solar panel installation kent

Thinking About Solar Panels In Sevenoaks?

This Sevenoaks project highlights an important point for homeowners considering solar.

You don’t need:

  • One large roof face
  • A perfect south-facing roof
  • A simple roof layout

to benefit from solar panels.

With careful system design and the right technology, properties with more complex roof arrangements can still achieve excellent results.

If you’ve previously assumed that your roof isn’t suitable for solar, it may be worth speaking with an experienced installer before ruling it out completely.

Many homeowners are surprised by what is possible with modern solar technology and bespoke system design.

If you’re a homeowner in Sevenoaks, Kent, or the surrounding areas and would like to find out whether solar could work for your property, Sunbright Energy will be happy to give the support you need. 

Simply click the button below to get in touch with our expert team today!

GET IN TOUCH HERE
Sunbright Energy

Meet The Owner

Oliver Crouch – Director

“I’m Oliver, the Director of Sunbright Energy. We’re a local, family-run business in the solar industry, which I’ve proudly led since its founding in 2014.

As a family business, we value personal connections and community. We’re driven to treat every customer with the respect and attention they deserve. Don’t hesitate to start your solar journey today – get in touch with Sunbright Energy for a service you can trust.”

CONTACT US HERE

Can solar panels be installed on multiple roof faces?

Yes. Modern solar systems, such as this installation Sevenoaks, can often be designed across multiple roof elevations to maximise generation and make the best use of available roof space.

Do solar panels need a south-facing roof?

No. While south-facing roofs often provide the highest generation, east, west, and even some north-facing roofs can still be suitable depending on the property.

Is battery storage worth it with a split solar array?

Yes. Battery storage allows homeowners to store excess solar generation and use it later, increasing self-consumption and reducing electricity imports.

How much electricity can a 5.4kW solar system generate?

Generation depends on factors such as orientation, shading, and location, but systems of this size can often generate around 5,000–6,000kWh per year.

How much can solar panels save in Kent?

Savings vary depending on energy usage, system size, battery storage, and electricity tariffs. Many homeowners can significantly reduce their energy bills by combining solar with battery storage.

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