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.

2DegreesKelvin Ltd

ABEI Energy

ABL Group


Above Surveying Ltd

Absolar Solutions Ltd

Absolute Solar and Wind

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. 

Aceleron Energy Ltd

Aceon Battery Solar Tech Ltd

Active Building Centre

Advanced Renewable Power Ltd


Established over 40 years ago, AES Solar was the first manufacturer of solar thermal collectors in Europe and has remained a pioneer of solar thermal while also specialising in solar PV and battery storage solutions, using the technology to harness the power of the sun as a sustainable energy source. In 2022 they were chosen as the install team for the landmark solar PV project on Edinburgh Castle.

Aiko Solar Energy Technology Co., Ltd.

Alight Energy

Allianz UK

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. 

Allume Energy

AlSi Consulting Ltd
Amberside Energy Ltd

Amelio Energy

Anesco Ltd

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. 

Anglo Renewables Ltd

Apollo power


Atrato Onsite Energy PLC

Aukera UK Ltd

Aukera invests its expertise and resources across project development, construction and operation enabling deployment of its capital at scale into UK renewables. We set the highest goals for development, working with our co-development partners, host communities and landowners to deliver carefully and efficiently designed projects, providing long-term viable returns.

Aura Power

Auream Energy LTD

Axter Ltd

At Axter, we offer a modern and forward-thinking approach to flat roof waterproofing. We imagine a world where flat roofs are used to their full potential – increasing biodiverse habitats, generating electricity, or creating social spaces – the possibilities are endless. We aim to revolutionise the way flat roofs are designed, installed, used, and maintained. Our team of creative and ambitious professionals all work towards our collective vision: to improve the roofscape and transform the world above our heads.  We are driven by our passion for technical detail and design, offering a comprehensive service package and a system portfolio renowned for its quality. We think differently and will always offer our honest, expert advice, adding value through sustainable and innovative ideas that minimise risk and maximise potential for you.

Barilla Ltd
Bauder Ltd

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

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.  

Beba Energy UK Ltd

Belectric Solar Ltd

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 UK Ltd

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. 

Biosus Energy Ltd

Blackfinch Energy Ltd

Blackrock Investment Management UK

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 Group

Bluefield Partners LLP

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. 

Bluefield Services Ltd

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. 

BMZ Innovation Group Ltd

German company BMZ, a developer of state-of-the-art batteries, is one of the leading battery manufacturers worldwide, with production facilities in Germany, Poland, China, the US, and North Macedonia. The BMZ UK office is in Cambridge. The company engages in the entire product life cycle of cross-industry battery systems, from prototype construction to the planning and implementing efficient series production, providing clients with the flexibility to adapt to specific energy storage requirements. More than 2,500 employees work at BMZ. The company annual turnover is 700mil-1bil EUR. BMZ supplies residential, commercial, and utility-scale battery systems.

BNRG Renewables

Headquartered in Dublin with operations in the United Kingdom, the US, Europe and Australia, BNRG is a pioneering developer and operator of solar projects led by a team of individuals united by a passion to change the world through solar technology and investment. Since 2007 we’ve worked alongside our development, technology and investment partners to finance, build, manage and own solar farms that today produce more than 150,000 MWh of clean electricity, with more than 1.5 GW of active projects in the development pipeline. It’s not just our early market position in solar that’s fuelled our success, it’s also our flexible approach: we respond in real-time to market and industry changes, and we focus on building lasting and trusted relationships. Our partnerships are what help us deliver on our promises, including minimal disruption for communities and stable returns for our investors.

Boom Power Ltd

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. 

BRE National Solar Centre

Bright Renewables Ltd

Brighter Green Engineering Ltd

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. 

Brighton & Hove City Council

British Solar Renewables Ltd

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 LLP

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. 

Callidus Renewable Ltd

Callidus Wholesale are a leading supplier of branded PV and ESS systems to both PV contractors and independent electrical wholesalers. We pride ourselves on putting customer service at the forefront of all we do summed up in our trading ethos of: “Solar done right, Service done better”. We spend a lot of time developing training material to help on-board new wholesale partners, and new contractors, into the PV installation market, helping to deliver decarbonisation and protect the planet. Callidus Wholesale are also a leading supplier of off-grid solutions, with our own OEM division manufacturing bespoke products for the market. We are therefore an end-to-end supplier of all things Solar; on grid, off grid, domestic, or commercial.

Callidus Wholesale Ltd


Cambridge Solar Ltd

Canadian Solar UK Projects Ltd

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.

Caplor Energy Ltd

Carter Electrical Installation

Casa Verde Energy Ltd


Cavendish’s services include Government relations, corporate communications, planning communications, digital engagement and creative services. In the solar sector, we deliver these services for multiple clients in England and Scotland. We operate in some of the most challenging corporate and political arenas. We have award-winning solar sector expertise and insights to help you navigate the road ahead, and the creative edge to make sure your voice is heard. With more than 100 consultants across our London HQ and 12 regional offices, we bring a rare mix of rich experience and bold new thinking. Brilliant minds, producing brilliant work – our people are your difference. Subscribe to our news and insights here.

cc solar

CEERISK Consulting Ltd


Ceiba Renewables Ltd

Centre for Renewable Energy and Systems Technology, Loughborough University

Centrica Business Solutions UK Ltd

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.  

Cero Generation Services Ltd


Chelsfield Solar c/o Chelsfield Electrical Ltd

Chiltern Solar Ltd

Chint Solar UK Management Ltd

Cita EV Charger

City Plumbing

Clarkson and Woods Ltd

Clean Energy Associates

Clean Solar Solutions Ltd

Clearstone Energy

Climateshield Solar Ltd

Cloud Access (Manchester) Ltd

Community Energy South

Copper Consultancy

Croydon Community Energy

Cubico Sustainable Investments Ltd

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 Ltd

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. 

Decerna Ltd

DHA Planning Ltd


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 LLP

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. 

Dynamic Energy Solutions LTD


Dyness is located in China, owning three manufacturing centers in Taizhou and Suzhou. We have 550+employees, and a R&D team of 150+ people with more than 10 years experience in this industry, who has deep understanding for energy storage and global carbon neutrality. Dyness owns more than 90 patents and many international certifications such as TUV, UL, CE, JET, CEC etc. Our products have been delivered to 100+ countries including Europe, America, Australia, Africa etc, serving more than 300,000 households worldwide. Powered by cutting-edge technology and innovation, Dyness is committed to providing customers with intelligent energy solutions, maximizing the use of green energy and making positive contributions to global carbon neutrality.

Earth and Sun

East Green Energy

Eco Energy Environment Ltd

Eco2Solar Ltd

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. 

EcoFlow Europe s.r.o.

Ecolution Group Ltd

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. 

Econergy International

Ecovision Asset Management Ltd

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 LLP

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. 

Eden Sustainable Ltd

EDF Energy Renewable Ltd

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.


EDP Renewables



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. 

Elawan Energy

Electron Green Ltd

Elements Green Ltd

Elgin Energy Holdings Ltd

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. 

Elmya Energy UK Ltd

Emeren Ltd

Emtec Energy Ltd

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. 

ENcome Energy Performance UK Ltd

Endurance Energy Ltd

Eneco UK Ltd

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. 

Energi North East

Energy for London Ltd

Enertis UK Ltd

Enevaro Ltd
Enlightened Solar Ltd

Ennoviga Solar Ltd

Enphase Energy

Envance Ltd

Eos Solar Solutions

Equans Regeneration Ltd

In the UK & Ireland, Equans is a provider of technical services, FM, regeneration and energy services – with specialist capabilities in smart buildings, green mobility, district & embedded energy and decentralised renewables. Our 13,500 employees combine these activities to help businesses, public sector organisations and government to embrace the energy transition towards net zero – and also the digital & industrial transitions that are together redesigning the way we move, work and live. Globally, Equans is a world leader in energy services with nearly 100,000 employees working in more than 50 countries, with an annual turnover of over 17 billion euros.  Equans is a Bouygues group company.

Equitix Ltd

Equitix is a leading global investor and long-term owner of core infrastructure, including utility-scale solar energy assets. 

Erova Energy Ltd


ERP UK are environmental compliance experts with over a decade of experience in making sure that businesses are compliant with WEEE, batteries and packaging legislation – building trust with companies to manage their compliance. As part of the Landbell Group – a long-term, international partner which understands the solar industry – we are also a leading provider of environmental and chemical compliance solutions with local expertise and global presence. We are experts in Extended Producer Responsibility legislation, takeback solutions, reuse & recycling and software. We ensure compliance with the EU WEEE and Battery directives for our customers by offering comprehensive services, and also have an expanding global footprint, operating compliance schemes worldwide. With an active recycling network of 300+ partners, our unique expertise is based on 15+ years managing international takeback and consultancy activities for end-of-life devices.


eSmart Networks Ltd

Ethical Power Connections Ltd

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. 

Ethos Green Energy Solutions Ltd

Eturnity AG

Everblue Solar Ltd

EvoEnergy Ltd

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

Evolution Power Ltd

Exagen Group Ltd

Falck Renewables Ltd

FES Support Services Ltd

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 Consulting Engineers Ltd

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 Group LLP

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 Energy Ltd

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. 

Fronius UK Ltd

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.

Fusion8 Ltd

Futurelec Ltd

GenFit c/o PV Fit Ltd


Geo Green Power Ltd

Established in 2010, Geo Green Power has unrivalled expertise in the renewables sector having installed solar PV, renewable heating systems, battery storage and other low carbon technologies for over a decade. Specialising in solar PV, we design and install bespoke solutions to help businesses and homeowners across the UK save money and reduce emissions. A true measure of our excellence is the long-term partnerships we build. We believe that customer relationships are as important as the systems we install and it’s important to us that we provide excellent levels of customer service throughout and deliver installations that we are proud of every step of the way. We are working to become the employer of choice in the industry and reduce our own impact on the environment at every opportunity

GivEnergy Ltd

GivEnergy provides premium battery energy storage systems. GivEnergy is the largest British-owned manufacturer of residential and commercial battery storage systems. Beyond batteries, GivEnergy has a range which includes inverters, EV chargers, energy management software, and a host of supporting accessories. Together, these products create an ecosystem for customers to control their energy end-to-end. With a GivEnergy system, customers can store energy either from the grid and/or renewables. They can then peak shave and power their lives cheaply and sustainably. In the process, GivEnergy products help tackle climate change. Each year, the average GivEnergy customer saves 85% on energy bills and reduces their carbon emissions by ~300kg. These figures are achieved through the exceptional quality of our products – and made attainable through our accessible prices.

Glowb Ltd

Gnome Energy Ltd

GoodWe Power Supply Technology Co., Ltd.

Gowling WLG (UK) LLP

Gowling is an international law firm with a 140-year history, built on the belief that the best way to serve you is to be in tune with your world, aligned with your opportunity and ambitious for your success. The business has a dedicated and highly respected energy team in the UK.

Granyt Capital

Gravis Capital Management Ltd

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. 

Green Nation Energy Ltd

Green Power Systems Ltd

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. 


GreenPower (International) Ltd

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. 

Greenshop Solar Ltd

Greensolver UK Ltd

greentech projects holding UK Ltd

Greenvolt Power

Grenergy Renewables UK

Gresham House Solar Distribution LLP

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

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. 

Hanwha Q CELLS GmbH

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 Ltd

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.

Harvest Green Developments Ltd

Helios Operations and Maintenance Ltd

Hero Future Energies Global Ltd

Hive Energy Ltd

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. 

Home Smart Energy Ltd

Huawei Technologies (UK) Co. Ltd

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

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.

ICB Projects (Solar) Ltd

iChoosr Ltd

iJo Power

Ilos New Energy UK Ltd

IM2 Power UK Ltd

Imperium Renewable Energy Ltd

Ineco Energy Ltd

Infinis Solar Developments LTD

Innasol Super Power One Ltd

Innova Renewables

Innovo Renewables S.p.A.

InRange Limited

Inspire Green

Integrum Renewable Energy Ltd

Iris Solar Energy

Island Green Power

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 Ltd

JBM Solar is a team of seasoned project development and finance professionals that originates and delivers utility-scale solar and co-located battery storage projects across the UK. JBM Solar is at the heart of the UK’s renewables revolution, with a vision to power the country with reliable, affordable, clean solar energy, and to add value through innovation and investment. JBM bring the benefits of solar energy to communities and the planet – at the scale and pace that is needed to help the country meet its net zero ambitions. The JBM team has been developing projects since 2012 and is proud to have achieved planning consent status for over a GW of solar projects across the UK and Ireland. JBM remain at the forefront of development with one of the largest solar and co-located battery storage subsidy-free portfolios in the UK of which over 3GWp of solar and co-located BESS is grid-secured.

Jinko Solar Denmark ApS

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 Renewable Energy Ltd

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 Solar Mounting Solutions Ltd

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.

Keele University

Kingspan Energy Ltd

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. 

Knight Electrical Switchgear Ltd

Lancaster Environment Centre (University)

LHW Partnership LLP

Lightrock Power Ltd

Lightsource Holdings Ltd

Lightsource Labs

Locogen Energy Services Ltd

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.  

Logic Certification Ltd

LONGi Solar Technology Co., Ltd

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 Alliance Ltd

Low Carbon Ltd

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. 

Low Energy Services ltd

Lynx Sustainable Solutions Ltd

Lytham Green Energy


Marubeni Europower

MBC Renewables

MCS Certified

Menlo Electric S.A.

Midsummer Energy Ltd

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. 

Naked Energy Ltd

Naked Solar ltd

Namene Solar

Natural Power

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. 


Neuville Grid Data Ltd

NextEnergy Capital Ltd

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. 




Novus o/b Innova Renewables

NPTC Group of Colleges

Octo Partners

Octopus Investments

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. 

Olympus Power Ltd

One Energy Projects Ltd



Origin Power Services Ltd

Oxford PV

Pathfinder Clean Energy (PACE) Ltd

Pearl Safety Solutions Ltd

Peridot Solar (HOLDCO) Ltd

Persson Electrical Ltd

PH Jones (British gas social housing limited)

Photon Energy

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.  

PhotoVolt Development Partners GmbH

Pinsent Masons

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. 

Planet Save Ltd

Pollock Associates Ltd


Power Circle Projects Ltd

Power Roll

Powervault Ltd


Procast Energy Services
PS Renewables

Push Energy Ltd

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. 

Qualitas Energy


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. 


Quod is a specialist, independent planning consultancy at the forefront of large-scale solar energy development. We have a strong track record of working collaboratively with client teams and stakeholders to secure flexible, streamlined and deliverable consents. Quod has advised on some of the most complex, high profile and strategically important NSIP projects. We are currently using our experience and expertise to create better and quicker consents through our instructions on many of the largest solar and storage projects in the country.

Regener8 Power Ltd

Renewable Connections

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. 

Renewable Facilities Management Services Ltd

Renewco Power Ltd

Repowering Communities,community-owned%20solar%20power%20can%20be%20installed%20across%20London.


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. 

Ri Cruden Ltd

RNA Energy Ltd

Roadnight Taylor

Roythornes Solicitors

Rubicon UK Holdings Ltd


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. 

Schletter Solar GmbH

Schroders Greencoat Capital LLP

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.  


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. 


SENS – Iqony Solar Energy Solutions

SFS Group Fastening Technology Ltd.

Shanghai Sieyuan Watten Technology Co., Ltd
Sheffield Solar

Shell UK

Shell is an international energy company with expertise in the exploration and production of oil and natural gas, and using advanced technologies to take an innovative approach to help build a sustainable energy future. We invest in power, including from renewable sources such as wind and solar. We also invest in electric vehicle charging and low-carbon fuels for transport, such as advanced biofuels and hydrogen. Our target is to be a net-zero emissions energy business by 2050, or sooner. We are therefore transforming our business: reducing emissions from our operations, providing more low-carbon energy and working with our customers as they make changes too.

Shire Energy Services

Shire Leasing PLC


SMA Solar UK Ltd

As a leading global specialist in photovoltaic system technology, SMA is setting the standards today for the decentralized, digital and renewable energy supply of tomorrow. More than 3,600 SMA employees in 20 countries have devoted themselves to this task. Our innovative solutions for every type of photovoltaic application offer people and companies worldwide greater independence in meeting their energy needs. In collaboration with our partners and customers, we are helping people transition to a self-sufficient, decentralized and renewable energy supply. SMA Solar UK & Ireland is headquarted in Milton Keynes and offers local and expert services to a very large installed base, including some of the largest battery-storage projects

Smart Ease

Smarter Home Improvements Ltd

Societe Generale Equipment Finance

Sol PV Group Ltd

Solapave Holdings Ltd

Solar Barn Ltd

Solar Energy UK
Solar Green Ltd

Solar Kingdom Ltd

Solar UK

Solar2 Ltd

Solaraxy U.K.
SolarEdge Technologies UK

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. 

Solarport Systems Ltd

Solarsense UK Ltd

Solarwatt UK Ltd

SolaX Power

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. 

Solein Energy UK Ltd


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. 


Sonnedix UK Services Ltd

Sonnen GmbH

Speedgreen Ltd

Square 4 Services Ltd

SSE Renewables

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 Energy Ltd

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 Ltd

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. 

Stäubli (UK) Ltd


SunGift Solar

Sunpower Maxeon Solar Technologies, Ltd.

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.  

SUNREIGN Ltd trading as PowerMarket


Sustainable Bright LTD


SynchroStor is an engineering R&D business founded in 2017 with the express purpose of developing a cost-effective grid-scale energy storage technology using pumped heat. The SynchroStor concept is based on the Brayton loop with a number of proprietary innovations which offer improved round-trip efficiency, lower capital investment and predictable O&M costs. The system is modular with installed  power ratings in 1MW increments and storage depth in the 8hr – 48hr range. The system can be co-located with generating assets to maximise export revenue; behind-the-meter to offer a range of value propositions to heavy power users; or as a stand-alone system offering ancillary grid services.

Syzygy Consulting

Telis Energy UK Ltd

TENT Holdings Ltd

Terrapinn Business Media Ltd

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. 


TESVOLT AG is one of the innovation and market leaders for commercial and industrial energy storage solutions in Germany and Europe. TESVOLT products enable companies to end their energy dependency and play a part in the energy transition. The agile company produces intelligent lithium storage systems – with top quality and TÜV-certified safety. TESVOLT manufactures its commercial storage systems in series production at its own carbon-neutral gigafactory in Lutherstadt Wittenberg and delivers them worldwide.

Thames Water Utilities Ltd

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. 

The Little Green Energy Company

The Low Carbon Energy Company Ltd

The Small Solar Company Ltd

The Solar Factory Ltd

The Solar Shed Ltd

Thirty47 Communications Ltd

three counties ltd

Thrive Renewables


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. 

Treadlighter Ltd

Tribus Clean Energy

Trina Solar (Schweiz) AG

Founded in 1997, Trina Solar Co., Ltd. is mainly engaged in the research and development, production and sales of PV modules; power stations and system products; PV power generation, operation and maintenance services; development and sales of intelligent microgrids and multi-energy systems, as well as the operation of energy cloud platforms, etc., committing to lead the way in smart solar energy solutions for a net-zero future. Through constant innovation, Trina Solar continues to push the PV industry forward by creating greater grid parity of PV power and popularizing renewable energy. So far, Trina Solar’s SKL has set or broken 25 world records in terms of PV cell conversion efficiency and module output power. By the end of the April 11th, 2022, its cumulative shipments of PV modules had exceeded 100GW, which is close to the installed capacity of 4.4 Three Gorges Dam power stations and equivalent to planting 7.4 billion trees worldwide.

True Green Capital Management LLC

Trust Renewables Ltd

Trydan Will Davey Electrical

Tuya Smart

Twig Trading Ltd

Two Blues Solar Ltd


UK Greentech, a division of Edmundson Electrical, is a distributor of quality branded renewables products with locations servicing the whole of the UK. Your local UK Greentech can offer solutions on Solar PV and energy storage systems. With our own in-house design capability and fleet of vehicles we can deliver anywhere in the UK and Ireland. Get in touch to see how our experienced staff can service all your Solar needs.

Unbound Energy Ltd

Uniper Renewables GmbH

Düsseldorf-based Uniper is an international energy company with activities in more than 40 countries. With around 7,000 employees, it makes an important contribution to security of supply in Europe. Uniper plans for its 22.5 GW of installed power-generating capacity in Europe to be carbon-neutral by 2035. The company already ranks among Europe’s largest operators of hydroelectric plants and is ramping up its solar and wind activities. As a hydrogen pioneer, the company is also active worldwide along the entire hydrogen value chain. Uniper is a reliable partner for communities, municipal utilities, and industrial enterprises for planning and implementing innovative, lower-carbon solutions on their decarbonization journey.


Utilita Energy Ltd

Utilligence Ltd


Van der Valk Solar Systems UK Ltd

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

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 Solar

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.  

Voltair Energy

Voltalia UK Ltd

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.  


Wagner Renewables Ltd

Watt Energy Saver

Waxman Energy Ltd

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 LLP

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.  

Wessex Solar Energy

Wild Power Ltd

Windel Energy Ltd

Wise Energy GB Ltd

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. 

Wokingham Borough Council

Wychwood Biodiversity

Ylem Energy Ltd

YLEM Energy offer a range of generation solutions to help you reduce your energy costs and further your journey to net-zero including: hydrogen-ready gas generation, battery storage and solar PV, as well as carbon off-setting. For 30+ years, we have amassed enviable experience worldwide, delivering hundreds of megawatts of installed capacity and tens of millions of hours operation. We own, install and operate advanced, flexible generation and storage systems that enable better balancing of the grid and reduce our energy-intensive clients’ reliance on importing costly power. We’re committed to delivering innovative solutions to manage, optimise and generate energy, as well as reduce carbon emissions and meet your environmental objectives.

ZE Energy

Zestec Asset Management

Zonergy Corporation

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