Find a member
Solar’s exceptional synergies with energy storage, electric vehicles and smart grids means our members work on the frontline of technology and system change to drive decarbonisation in power, heat, transport and beyond.
Absolute Solar is a fast-growing specialist business in the engineering, procurement and construction of both major commercial rooftops and solar farms. They have strong credentials in agricultural, industrial, public sector and private sector.
Established over 40 years ago, AES Solar was the first manufacturer of solar thermal collectors in Europe and has remained a pioneer of using such technology to harness the power of the sun as a sustainable energy source.
Allianz is one of the largest general insurers in the UK, offering commercial insurance with a full range of products for businesses of every size. Allianz is fully committed to the UK’s net-zero transition. This includes developing a wider range of services for the solar and storage industry, for a cleaner and more sustainable future.
Anesco develops, designs, constructs, operates, maintains and optimises high performing grid-scale solar and storage assets, alongside working with leading utilities on home upgrades and efficiency through their comprehensive network of installers.
Bauder is a leading international manufacturer of building construction materials. They provide waterproofing membranes and insulation to make buildings watertight and thermally efficient, installations for solar energy generation, and green roofs to support the environment and create better living and working spaces.
BayWa r.e. is a globally leading developer and service provider in renewables, with a mission to enable the global energy transition. BayWa r.e. delivers end-to-end project solutions, operations management and energy trading. It has developed over 4.5 GW of renewable energy online and manages over 10 GW of assets.
Belectric Solar delivers customised solutions as a leading system integrator globally, with specialist expertise in both EPC and O&M contracting in the UK utility-scale solar and battery storage industry.
Belltown Power is a mid-sized investor developing solar and other renewable energy projects in the UK. They have delivered over 200MW of operating wind, solar, and hydropower capacity across England, Scotland and Wales.
Blackrock is a global leading investment management business, with a remit to contributing to a more sustainable, resilient economy that benefits more people. They’ve invested £1.2bn in renewable power projects in the UK, with growing interests in solar and storage.
Bluefield was founded with the belief that renewable energy would become a major investment theme, disrupting energy markets for decades to come, and that solar assets were ideal for investors seeking stable and sustainable returns.
Boom is undoubtedly among the most ambitious developers of solar NSIPs in the UK, with one of the largest projects currently in planning. The business has the initiative and experience to turn big concepts into valued assets.
Brighter Green Engineering is among the UK’s largest providers of quality engineering services to the solar energy industry, helping to operate and maintain power stations for customers globally, including from an office in the UK.
British Solar Renewables is the largest privately-owned, integrated solar developer in the UK, and is majority owned by Siem Europe Sarl. They develop, build and manage utility-scale solar and storage projects for developers and investors in the UK and overseas.
Burges Salmon is a leading independent UK law firm with serious credentials in decarbonisation, across housing, transport, infrastructure energy and more. The business aims to deliver the best mix of legal advice, service and value.
Canadian Solar UK Projects is solar photovoltaic products and energy solutions provider, as well as one of the largest solar power plant developers globally. Cumulatively delivered over 75 GW of solar modules to thousands of customers in more than 160 countries.
Centrica provides integrated energy solutions to empower its customers to analyse, finance, install, operate and maintain their energy systems. They are making a concerted transition into renewables, using their expertise, client relationships and strategic acquisitions in utility-scale solar and storage.
Cubico Sustainable Investments is a leading investor, long-term owner and operator of global renewable energy projects, leveraging a strong local presence with in-house business development, operations, financial, commercial and technical expertise.
Custom Solar is widely recognised as one of the top commercial rooftop installers in the UK. The business designs, installs and maintains what can only be described as world-class solar systems for both corporate and public–sector clients.
GNV GL is an independent global consultancy with expertise in assurance and risk management, providing testing and advisory services across the solar, smart grid and wider energy value chain, including on supply-chain sustainability. They also run Instatrust, a global platform connecting clean energy buyers and sellers.
Downing is a leading investor and long-term owner and operator of utility-scale solar energy and storage assets, alongside a wider public services portfolio.
Eco2Solar specialises in the installation of solar to new build and commercial properties across the UK. Their solar installations help housing developers to meet increasingly ambitious government sustainability targets and save costs. The company is minority owned by leading electricity supplier E.On.
Ecolution provides award-winning renewable energy and maintenance services and solutions to the social, residential and commercial sectors. They are one of the most experienced and fastest growing installers of solar solutions in the UK.
Ecovision designs, construct, operate and manage some of the largest rooftop solar assets in the UK. They have a dedicated and experienced asset management team and works with many blue-chip companies.
Eden Renewables is developing renewable energy and storage projects throughout the UK with a positive impact on the local environment and the communities that host them. They are passionate about the benefits of solar on biodiversity.
EDF Renewables UK provides industry-leading, turnkey delivery, financing and operation of solar projects in the UK and Ireland. They are focused on making solar generation accessible, affordable, and responsive to the needs of their customers and the communities in which they operate.
Effizency is a market-leading provider of software to help residential and commercial installers to streamline and accelerate their sales processes. Their proposition is to cut transaction costs and skyrocket their customers’ energy services sales.
Elgin is a full-service solar+ storage developer, with a 3GW portfolio of utility-scale projects in late-stage development in the UK, Ireland and Australia. The business sold a portfolio of over 500MW – the largest UK solar transaction ever – to Scottish Power Renewables (UK) Limited in 2022.
Emtec Group is a leading contractor for the building services sector, providing quality and cost-effective services based in Scotland and working throughout the UK. They also provide engineering, procurement and construction services to utility-scale developers.
Eneco is primarily an energy trading business, helping consumers and companies make the switch to sustainable energy, with a range of smart, sustainable and affordable products and services. They also invest in the development of utility-scale and rooftop solar assets.
Equans is a provider of technical, FM, regeneration and energy services – with specialist capabilities in smart buildings, green mobility, district & embedded energy and decentralised renewables.
Equitix is a leading global investor and long-term owner of core infrastructure, including utility-scale solar energy assets.
Owned by Ethical Power, the connections division in membership is one of the UK’s most relied on specialist provider of technical consultancy, engineering and high-voltage connections in the UK.
EvoEnergy is an award-winning commercial rooftop installer in the UK., helping to secure their clients’ energy future and carbon targets. They consult, develop, design, construct, monitor and maintain projects to deliver financial savings and renewable energy for leading brands UK wide
FES Support Services is the specialist operating company within the FES Group, with key divisions including communications, engineering, energy, high voltage connections, property services and framework agreements.
Fichtner is an independent engineering consultancy supporting renewable energy and waste projects in the UK and beyond. Their unique combination of technical, environmental, contractual and financial skills complements a diverse range of engineering and due diligence projects.
Foresight is a leading sustainability-led investment manager of alternative assets, including renewable energy. Their investment strategies aim to shape society and the planet, contributing to a resilient decarbonised world and creating the high-quality, sustainable jobs that will power tomorrow’s economy.
Forster Group is an award winning, market-leading provider of roofing and solar services to Scottish house builders, public sector and community bodies, social housing landlords, farmers and commercial landlords and tenants.
A subsidiary of Fronius International GmbH. Fronius U.K. find, develop and implement innovative methods to monitor and control energy for welding technology, photovoltaics and battery charging.
Gravis is a mid-sized investor and long-term owner of solar and other renewable assets, with a portfolio of globally listed securities involved in the operation, funding, construction, generation and supply of clean energy.
GreenPower, formed in 2000, is an independent utility-scale solar developer operating across the UK. The business, based in Scotland, prides itself on its technical, management and financial skills to successfully bring complex projects to fruition.
Greencoat is a leading renewable energy investment business, working with utilities, energy majors and infrastructure developers to help deliver a sustainable global energy transition, by providing significant external financing, together with deep technical skills and sector expertise.
Gresham is at the forefront of investing in flexible storage assets in the UK, with sustainable investments a key part of their business mindset. They own a sizeable portfolio in the UK, and seek to deliver strong, consistent financial performance for long-term investor value.
Gridserve is a tech-enabled sustainable energy business that develops, builds, owns and operates dependable, low cost, clean energy solutions for critical power infrastructure, from utility-scale solar farms to the UK’s largest network of solar-powered electric vehicle charging forecourts.
GSE Intégration is a manufacturer of roof-mounted and
building-integrated solar panel systems, based in France. It is a subsidiary of the TERREAL Group, a specialist in roofing and terracotta products for over 150 years.
Q Cells is well known as a leading solar panel manufacturer is a total energy solutions provider globally. Their business interests range from making cells and modules to providing solar solutions for residential, commercial and utility-scale solar. The business is owned by Hanwha Group.
Harmony Energy Limited is a leading developer, owner and operator of utility-scale battery energy storage. With experience developing, building and operating wind and solar projects, both independently and in partnership with others.
Hive Energy is a ground-breaking developer and supplier of green energy to the UK. The business secured planning permission for the UK’s first solar NSIP in 2020 and, since then, has been growing, learning, and developing a stream of new and innovative technologies to fight climate change.
Huawei offers smart solar solutions across both panels and storage, particularly in rooftop markets. Harnessing more than 30 years of expertise in digital technology, they seek to drive up efficiency, safety and reliability for a future where they see solar as the main energy source.
ib vogt specialises in solar project development. Managing the entire downstream section of the solar value chain – from PV component selection and solar financing to project development and operational management.
Island Green Power specialises in the development of NSIP solar photovoltaic plants, by sourcing land, managing the permitting process and overseeing the plants construction until it is operational. This business is among the UK’s most ambitious when it comes to sustainable solar at scale.
JA Solar is a manufacturer of high-performance solar photovoltaic panels, and among the largest suppliers to the UK. With 12 manufacturing bases, the company’s business covers silicon wafers, cells, modules and photovoltaic power stations for both residential and commercial markets.
JBM Solar is a solar developer with an established track record of successful project delivery in the UK and Ireland. The company develops large-scale, grid-connected solar farms. To date, the development team has won planning permission for more than 450MW of solar projects.
Jinko is one of the best known and innovative solar technology manufacturers in the world, serving both distributed energy and utility-scale markets. Its business provides integrated clean energy solutions, and has ranked No.1 in global module shipments for years.
JPS is an experienced and professional team of solar panel system and electric charging point installation engineers, known for their attention to detail and for installing quality systems from the leading brands on the market.
K2 manufactures pioneering and highly functional mounting system solutions for photovoltaic installations in the UK and globally. They have a reputation for continually optimising and adapting their mounting systems to the changing market, and their personal approach to customer relations.
Kingspan is a global leader in high-performance insulation and building envelope solutions, and their energy division offers a growing range of in-roof solar. Their mission is to accelerate a net zero emissions future with the wellbeing of people and planet at its heart.
Locogen has extensive experience in developing, constructing and operating ground-mounted solar farms, hydroelectric schemes and wind farms. They also deliver community renewables projects, roof-mounted solar and renewable heating solutions.
LONGi is seeking to become the most valuable solar technology company in the world. With a commitment to solar energy and an emphasis on robust, reliable, and technology leading, the business is providing solutions for both distributed energy and utility-scale markets. The business also has interests in green hydrogen.
Low Carbon is a privately-owned UK investment and asset management business, committed to making a positive and significant impact on climate change by investing in large-scale renewable energy projects. Specifically, they target investments in solar, storage, wind, waste-to-energy and other proven technologies.
Midsummer is among the UK’s largest and fastest growing distributors of renewable energy systems, products and cutting-edge solar design software. Their aim is to educate and enable everyone to harness, store and intelligently use renewable energy.
Natural Power supports its clients by delivering unrivalled renewable energy expertise and service at every phase of the project lifecycle. The consultancy aims to support a low carbon economy by delivering safe, clean, reliable and competitive renewable energy.
Next Energy is a specialist solar investment and asset manager, with among the most impressive pipelines in the UK. They have significant expertise and track record across the entire lifecycle of utility scale solar, from subsidy-free development to improving the operational performance of assets under ownership.
The largest manager of Venture Capital Trusts and investments that qualify for relief from inheritance tax. A part of Octopus Group, managing more than £12.6 billion on behalf of over 63,000 investors and have over 750 employees. Investing in companies that care about their impact on the world.
Photon Energy is one of the largest commercial installers in the UK, specialising in the design, supply, installation and maintenance of solar and battery storage systems.
Pinsent Masons is a leading legal firm in the renewables industry, with strong credentials in supporting the development of solar NSIP projects. They pride themselves on being a trusted partner to support their clients in transforming their businesses and seek to go beyond what’s expected.
Owned by Swindon Borough Council, Public Power Solutions offer a wide range of innovative solutions for public sector organisations across both power and waste management services.
Push Energy is renowned for its ability to develop, construct and operate high quality renewable energy assets. Their team has in-depth industry experience and a 1GW track record across both utility scale and rooftop solar.
PV CYCLE UK is a solar-focused, government-approved, not-for-profit producer compliance scheme, providing full waste compliance services for producers and importers of electrical and electronic goods at end of life.
Quintas is a global asset manager, with substantial experience of optimising sustainable solar assets. Their goal is to help the world transition from traditional energy sources to renewable ones.
Renewable Connections is an independent connections provider, backed by Armstrong Capital Management. The agency has an outstanding success record of taking projects through planning, unlocking hundreds of megawatts of strategically well-placed solar and storage for the UK.
RES is the world’s largest independent renewable energy company. At the forefront of the industry for 40 years, RES has delivered more than 22GW of renewable energy projects globally, developing its own assets and working as a principal contractor for partners.
Savills offers a wide range of specialist services from financial and investment advice to valuation, planning and property management, across both rooftop and utility-scale markets.
Segen is the largest wholesale distributor in the UK, with an extensive product range covering solar, energy storage, electric vehicle charging and related components. They’ve been growing rapidly since being founded in the UK in 2005 to become a globally recognised brand, and aims to deliver an unrivalled product portfolio at fair prices.
SolarEdge has long been recognised as a global leader in the manufacture of smart energy technology spanning inverters and storage, with world-class engineering capabilities and a relentless focus on innovation and solutions that power people’s lives.
SolaX Power is a manufacturer of solar and storage products across residential, commercial and utility-scale markets. The business is committed to being at the forefront of the solar power revolution, as evidenced by its research and development.
Solis manufacturers one of the widest installed bases of string inverters globally with their inverters converting DC to AC power and interacting with utility grids. The group is publicly listed.
SSE Energy Solutions provide gas and electricity for businesses big and small across the UK, currently supplying around 500,000 metering points. Offering range of fixed-price and flexible energy plans, all fixed contracts include 100% renewable electricity as standard.
Statera was established with the aim of delivering increased flexibility for the UK electricity system to assist in the transition to a low carbon economy. The company is a fully integrated developer, owner and operator of energy storage and other energy technologies.
Statkraft UK develops and own solar power assets, and trades the power that it generates. The company moved into the UK in 2020 with the acquisition of Solarcentury and is actively seeking to grow and expand its global presence.
SunPower panels are a quality solar technology designed and manufactured by Maxeon, a global leader in solar panel innovation built from 35 years of boundary-pushing as a US business spin-off.
The force behind Solar & Storage Live, the UK’s annual industry exhibition, Terrapinn events inspire and transform business. They’ve been sparking ideas, innovations and relationships that transform business for over 30 years, by bringing innovators, disrupters and change agents together.
Thames Water is one of the leading water utilities businesses in the UK, serving 15 million customers in and around London, with high ambitions to diversify into renewable energy.
TLT is a business and legal advisory, working in step with their clients to protect their interests today and progress your ambitions for tomorrow. The business has a dedicated energy team, working to put people, communities and the environment first.
Uniper is an international energy supplier and trading company, operating over 33GW of traditional energy generation assets in Europe and beyond. The business intends for its power business to be carbon-neutral by 2035, with an ambition of adding 1.5-2 GW of solar and wind by 2025. The company is publicly listed in Germany.
Upowa has the in-house expertise to manage projects from consultancy and design to installation and aftercare, across commercial rooftop and utility-scale markets, and tailored to specific project needs. The business has also supported pioneers in the water industry and housebuilding to green their portfolios.
Van der Valk Solar Systems is one of the fastest growing manufacturing companies in the solar industry and focuses entirely on the development and production of solar mounting systems for pitched roofs, flat roofs and open fields.
Vector Renewables is an independent consultancy and principal contractor in solar and the wider renewable energy industry. With projects under management in over ten countries, they deliver technical, financial and legal support throughout the entire life cycle.
Viridian is a UK-based designer and manufacturer of roof integrated solar panels, recently acquired by leading building supply business Marley. Their innovative range of solar panels fit in the roof and aim to take building integration of solar to the next level.
Voltalia is a global energy producer and a service provider, working actively to help their clients become part of the sustainable energy transition. The business is a leading PPA provider in the UK and overseas and is a publicly listed company in France.
Waxman Energy is a leading distributor of solar equipment into the residential and commercial rooftop markets, with an award-winning team and expertise in training for installers.
Weightmans is a well-known law firm, with offices around the UK. The business has strong credentials in energy and public sector sustainability. They believe it’s their people’s determination to achieve the best results for their clients that set their legal advice apart.
With over 100 years’ experience, Wise Energy is a specialist asset manager with serious credentials in sustainability and energy conservation. The business works closely with others at the forefront of solar energy industry in the UK.