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Eku Energy Acquires 1 GW/2 GWh BESS Projects in UK from Bluestone Energy

Eku Energy has acquired Bluestone Energy’s UK battery energy storage portfolio comprising seven projects with a total capacity of 1 GW/2 GWh, expanding its footprint in the utility-scale energy storage sector.

April 21, 2025. By Mrinmoy Dey

Global energy storage specialist Eku Energy has announced that it acquired renewable energy developer Bluestone Energy’s portfolio of energy storage projects in the United Kingdom.

Eku Energy acquired a total of seven planned Battery Energy Storage Systems (BESS) projects across the United Kingdom with a combined capacity of 1 GW/2 GWh. Amongst others, these include a 98 MW/196 MWh project at Leatherhead in Surrey, a 98 MW/196 MWh project at Sturts Farm, West Moors in Dorset and two 240 MW projects – one near the village of Ninfield in East Sussex and another near Rochester in Kent. The transaction is targeted to be completed in the first half of 2025.

Bluestone Energy and Eku Energy established a Joint Development Agreement (JDA) in 2022. This agreement has allowed the companies to jointly identify and progress sites until they are ready to be built with Eku Energy taking the projects through to delivery with its construction and operations teams.

Commenting on the acquisition of Bluestone Energy’s BESS portfolio, Eku Energy CEO Daniel Burrows said, “The acquisition of Bluestone Energy’s battery portfolio in the United Kingdom is consistent with our approach in creating utility-scale energy storage projects for the long term. The growth of our project portfolio signifies our optimism and commitment to the United Kingdom's clean energy market.”

He further added that Eku Energy’s development portfolio of approximately 50 projects globally enables us the company to provide innovative risk management products and to secure long-term contracted revenue for its BESS portfolio. “Acquiring the Bluestone portfolio provides Eku Energy with additional flexibility to offer firm commitments to our customers faster and this is consistent with our mission to accelerate the energy transition by delivering safe, secure and reliable energy storage assets that provide cost-effective clean energy,” he said.

Freddy White, CEO, Bluestone Energy remarked, “This sale represents a significant achievement for Bluestone Energy and validates our commitment to developing high-quality energy storage assets. We are proud to have contributed to the growth of the energy storage market and are confident that Bluestone Energy will continue to bring many more high-quality projects to the market that are successfully energised.”

Eku Energy has three existing projects in the United Kingdom with the 40 MW/40 MWh Maldon BESS in operation and the 28 MW/56 MWh Basildon BESS and 40 MW/55 MWh Loudwater BESS which are under construction.

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BESS Projects acquisition