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BW ESS starts commercial operations at 350 MW Hams Hall battery storage project

By Public Technologies
  • BW ESS announced November 2, 2026, that the first phase of its Hams Hall battery storage project began commercial operations.
  • The West Midlands facility has 350 MW / 1,243 MWh operating capacity, making it Europe's largest battery storage system by energy capacity.
  • Completion of the second phase will increase capacity to 400 MW / 1,424 MWh.
  • The project was built and commissioned on budget, ahead of schedule; commercial operations started 20 days after energization.
  • Revenues are backed by a 10-year floor and optimization agreement with EDF; lenders include OCBC, Rabobank and Societe Generale.


Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. BW ESS Management GmbH published the original content used to generate this news brief on November 02, 2026, and is solely responsible for the information contained therein.

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