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Vattenfall switches on battery at Wales' largest onshore wind farm

The battery system at the Pen y Cymoedd wind farm in Wales | Credit: Vattenfall/Steve Pope

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Swedish energy firm begins commercial operation of battery storage system co-located at Wales' largest onshore wind farm

Vattenfall has switched on a 22MW battery at the Pen y Cymoedd onshore wind farm in South Wales, delivering its largest battery storage installation to date alongside Wales' largest onshore wind farm....