Eku Energy secures over £45 million in funding for new Ocker Hill BESS

Global energy storage specialist secures financial backing to build a 99MW / 198MWh for Ocker Hill Battery Energy Storage System in the West Midlands

London, May 13, 2025– Eku Energy, the global energy storage specialist, has secured debt financing from NatWest Bank and Sumitomo Mitsui Banking Corporation (SMBC) to construct a new 99 MW/198 MWh Battery Energy Storage System (BESS) located at Ocker Hill, between the towns of Dudley and Wednesbury in the West Midlands.

In addition to the asset specific financing, SMBC and NatWest have provided an uncommitted accordion facility of £100m to support funding of Eku Energy’s near-term UK projects, including some of the recently announced projects under development as a result of the Bluestone Energy BESS portfolio acquisition*.

With construction set to begin next month, the Ocker Hill BESS is expected to be commissioned in late 2026 and is Eku Energy’s fourth energy storage project in the United Kingdom to either be in operations or in construction. The Ocker Hill BESS will use 54 Tesla Megapacks, and the project will be built by H&MV Engineering as the Balance of Plant contractor. H&MV Engineering have been selected for its high-quality design and proven experience in delivering BESS projects using Tesla’s technology. SmartestEnergy, a 100% owned subsidiary of Marubeni Corporation, will serve as the tolling provider under a 10-year agreement.

The Ocker Hill BESS will be built close to site of the former Ocker Hill coal-fired power station which stood for more than 80 years from when it first opened in 1902 until its closure in 1977 and final demolition in 1985.

40 years after the demolition of the original coal-fired power station at Ocker Hill, the nearby Ocker Hill BESS will be providing energy and grid services,

said Elias Saba, Chief Technology Officer at Eku Energy.

With Ocker Hill BESS and its innovative long-term offtake from Smartest Energy, we further enable the energy transition and uptake of renewable energy.

Daniel Burrows, Chief Executive Officer at Eku Energy said,

Eku Energy’s growing portfolio in the United Kingdom reflects our commitment to deliver safe, secure, and reliable energy storage solutions that will provide cost-effective clean energy. By securing strong financial backing from NatWest Bank and Sumitomo Mitsui Banking Corporation for the Ocker Hill BESS and partnering with Tesla and SmartestEnergy, we are continuing to expand our role in building a more flexible and resilient energy system for the United Kingdom.

Mahul Raval, Senior Vice President of Trading at SmartestEnergy said:

We are delighted to be partnering with Eku Energy on the tolling agreement for the Ocker Hill BESS. This project is the longest tolling agreement announced to date in the United Kingdom and shows our commitment to Eku and the BESS business case they built. BESS is crucial for greater grid reliability and it provides value for end customers. At SmartestEnergy we are always willing to support our customers and partners as they navigate their way towards a cleaner, more resilient future.

Eku Energy were supported by their advisors across the transaction; NatWest (financial advisor), CMS (Borrowers legal), Watson Farley Williams (Lenders legal), DNV (technical), Operis (model audit), WTW (insurance), Lockton (Broker), Chatham Financial (hedging advisor) and Aurora (market advisor).

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