Voltalia begins construction of 32 MW Hallen battery energy storage system near Bristol

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Voltalia has launched the construction of the Hallen Battery Energy Storage System (BESS), a 32 megawatt /32 megawatt-hour storage power plant located near the city of Bristol in the Avonmouth area, UK.

Hallen BESS is a lithium-ion battery storage power plant comprising 16 modules of 2 megawatt-hour unit capacity each. The modules will be stacked on-site to optimize the surface used. It will operate across all markets providing frequency, balancing, and other ancillary services to the National Grid and local grid network.

The commissioning is scheduled for the first quarter of 2022. The project amounts to around GBP15 million (US$20.7 million) investments and is not yet backed by long-term contracts.

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