Meet the Power Cube - a modular home energy storage system, combining inverter and battery modules in one clean, stackable design.

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RESIDENTIAL SOLUTIONS

One product family, every scenario covered.

Whether you’re after unbeatable value, expandable modular systems, or sleek integrated design, there’s a solution in the Fox family that fits your space.

Modular Solutions

Flexible, scalable and cost-effective inverter + battery systems.

AIO Solutions

Where form meets function. AIO systems that power and enhance your home.

MAKING A DIFFERENCE

Watch our latest customer case study featuring the KH + EP11 batteries

POWERING EVERY POSSIBILITY

From homes to businesses, rooftops to EVs - explore the complete Fox product range.

Residential Solutions

Advanced single-phase hybrid systems & AC chargers designed for UK homes. Integrated storage, backup, and app control.

Commercial Solutions

High-performance three-phase systems built for business, with flexible battery options and powerful monitoring tools to match.

PV String Inverters

Compact, efficient, and built to last - our dedicated PV inverters are optimised for generation, with robust safety and remote monitoring.

EV Chargers

Sleek, smart and solar-ready - Fox EV chargers integrate effortlessly into your energy ecosystem for clean, efficient home and workplace charging.

About Us

Learn more about Fox ESS – This is Fox.

SUSTAINABLE ENERGY. GLOBAL STRENGTH. LOCAL FOCUS.

Fox ESS is shaping the future of energy with sustainable products, global resources, and UK-based expertise you can trust.

Fox ESS is a Sino-British partnership, supported by significant international shareholders alongside UK-based stakeholders. This international foundation, combined with a strong local presence, supports the development and delivery of energy storage solutions for residential and commercial applications across the UK.

Fox ESS offer locally based service and support. In the UK we have a dedicated service and support service based from our national service centre. All enquiries are answered locally by our team of technicians, providing immediate, expert support when you need it most.

Fox ESS is recognized as a BNEF tier 1 energy storage manufacturer. To qualify for Tier 1, manufacturers must demonstrate exceptional performance in product quality, technological innovation, market influence, and financial stability.

Fox ESS are the market leaders in the UK domestic solar & storage sector. Data from S&P Global Insights places our market share at more than 35%. Fox ESS also rank 2nd globally for residential energy storage shipments.

ABOUT FOX ESS

Fox are the UK’s leading name in smart solar and battery storage.

Fox ESS is a global leader in the development of cutting-edge inverter and energy storage solutions. Backed by world-class engineering and a commitment to innovation, we provide smart, scalable technologies that empower homes and businesses to take control of their energy. With a focus on quality, reliability, and sustainability, Fox ESS is driving the transition to a cleaner, smarter energy future.

Inverters Shipped
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Batteries Shipped
K+
UK Market Share*
0 %+

*Source: S&P Global Commodity Insights

APPROVED INSTALLERS

The Accredited Installer Programme recognises and rewards installers who meet our highest standards of quality, professionalism, and customer service.

THREE TIERS OF EXCELLENCE

Fox ESS UK accredited installer programme

Our tiered approach ensures every installer in the programme has completed our training and adheres to our Code of Conduct – while higher‑tier partners demonstrate exceptional experience, customer satisfaction, and ongoing engagement with our products and services.

FIND INSTALLER

View our accredited installer map or request a quote

SOFTWARE INTEGRATIONS

Working together with leading platforms, to optimise your system , add value and maximise return.

Capture AI

Smart optimisation - forecasting solar, tracking tariffs, and automatically charging or discharging to cut costs, while also enabling participation in grid flexibility services.

Axle Energy

Join a Virtual Power Plant that aggregates Fox systems to support the grid and unlock extra value through flexible energy services.

Kraken

Kraken’s smart tariffs and automation intelligently control Fox batteries to maximise low-cost, low-carbon energy use.

Enode

A secure energy connectivity platform that links Fox systems with leading clean-tech apps for seamless optimisation and demand-response control.

WORKING IN PARTNERSHIP WITH THE LEADING ENERGY SUPPLIERS...

Systems Connected
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FOX CLOUD 2.0

Manage your system your way. Introducing Fox Cloud.

Monitor, manage, and optimise your Fox ESS system — all from the palm of your hand. Simple, powerful, and designed around you.

Smartphone App

Fox Cloud 2.0 is available from the App Store and Google Play

Fox Cloud Online

Dive deeper through a web browser with Fox Cloud 2

TECH HUB

A standalone hub for installers, engineers, and technical partners.

TECHNICAL RESOURCES

Fox ESS UK & Ireland tech hub website

The Fox ESS UK & Ireland Tech Hub is a dedicated platform designed specifically for technical users, providing in-depth resources, support materials, and expert advice — all in one place. Unlike our main corporate site, which focuses on products and company information, the Tech Hub exists to streamline access to the documents, guides, tools, and community support that matter most to installers and engineers.

SunWiz Verified number one by volume inverter, Fox ESS United Kingdom, Q2 2026
SunWiz Verified number one by volume ESS, Fox ESS United Kingdom, Q2 2026
Independently Verified

No.1 in the UK for inverters and energy storage.

Fox ESS has been independently verified by SunWiz as the UK's No.1 brand by volume for both inverters and energy storage systems (ESS) in Q2 2026, reflecting the continued growth of Fox ESS across the UK market.

SunWiz Verified · United Kingdom · Q2 2026