EDF to optimise Verdant Energy’s solar and battery portfolio
- EDF Wholesale Market Services will offtake the solar power, and trade and optimise the battery from Verdant Energy’s Walpole and Cowley sites
- The deal reinforces EDF as Britain’s largest buyer of renewable electricity, with the highest PPA market share under contract[1]
EDF, Britain’s biggest generator of zero carbon electricity, has signed Battery Energy Storage System (BESS) optimisation and Contract for Difference (CfD) Power Purchase Agreements (PPA) with Verdant Energy, a co-located solar and BESS platform owned by CVC DIF, and will trade and optimise the battery from Verdant Energy’s Walpole and Cowley sites.
The agreements support the expansion of EDF’s solar and battery optimisation portfolio through two new co-located projects, Walpole and Cowley, and mark a significant step in strengthening and expanding the existing partnership between EDF and CVC DIF, as they continue to collaborate on accelerating the UK’s transition to low-carbon energy.
The new deals follow the successful 50MW co-located Floor BESS (Battery Energy Storage System) and the Power Purchase Agreement (PPA) deal signed for the Warley site in September 2023. These two new sites further reinforce EDF’s leading position in the UK’s renewable energy market, with a continued focus on maximising value and efficiency through the co-location of battery storage and renewable generation.
Each co-located site uses a battery energy storage system (BESS) to store energy during peak power generation and export it back onto the grid when demand is high. The BESS will balance the intermittent energy production, maximising the site's efficiency and enabling a greater output of low carbon electricity.
Having this flexibility of the grid is critical to supporting Britain’s renewable energy transition and net zero goals. Both the Walpole and Cowley projects are real-life examples for demonstrating what is possible when it comes to using innovation to address energy challenges and drive energy optimisation in co-location.
Stuart Fenner, Director of Wholesale Market Service Commercial, at EDF said: “We’re thrilled to have signed agreements for two additional co-located solar and battery sites with Verdant Energy, further solidifying our leadership in renewable energy optimisation. These projects exemplify our commitment to innovation and driving value for our partners by leveraging cutting-edge optimisation strategies and co-location efficiencies, while supporting the UK’s goal of achieving a low-carbon, electric future.”
[1] Source: Cornwall Insight PPA market share report August 2025.
About EDF
EDF is driving the transition towards An Electric Britain – a secure, affordable, low-carbon future for everyone. As Britain’s biggest generator of zero carbon electricity, we are investing more than £100 million weekly in Britain’s electricity infrastructure. We supply millions of customers with electricity and help homes and businesses switch to electricity for heating, transport and industrial processes.
We operate five nuclear power stations and more than 35 onshore wind farms and three offshore wind farms. Since 2009, EDF has invested almost £9 billion in the nuclear fleet to improve reliability and extend station lifetimes. The five generating stations currently supply about 12% of the UK’s electricity demand.
EDF is building the UK's nuclear renaissance with the construction of a new nuclear power station at Hinkley Point C. We are a minority investor (12.5%) in and major supplier to a replica plant at Sizewell C in Suffolk. Hinkley Point C and Sizewell C will provide low carbon electricity to meet 14% of UK demand and power around 12 million homes. EDF Group companies Framatome and Arabelle Solutions have a presence in the UK and manufacture critical equipment such as reactor pressure vessels and turbines.
EDF is enabling its 5 million customers, both in business and at home, to choose electric solutions that save cash and carbon, whether it is buying an electric car, generating and storing electricity, selling energy back to the grid or installing solar panels or a heat pump. In 2025, EDF’s Customers business was ranked as one of the Sunday Times’s Best Place to Work.
It is also one of the UK’s leading developers of renewable energy through EDF power solutions UK and Ireland. We have more than 2GW of renewable generation in operation and over 10GW in construction, planning and development across a range of technologies including onshore and offshore wind, solar and battery storage.
We are one of the largest suppliers to British business and a leading supplier of innovative energy solutions that are helping businesses become more energy independent. In addition, the company’s energy services business, Dalkia, one of the UK and Ireland’s largest technical service providers.
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