Vattenfall’s 22MW/16MWh battery is co-located with the 228MW Pen y Cymoedd Wind Farm in South Wales. Image: Vattenfall.
Arenko has signed a new contract to optimise Vattenfall’s 22MW/16MWh battery, the first battery storage site to be co-located with a wind farm in the UK.
The 228MW Pen y Cymoedd Wind Farm in South Wales includes 500 BMW i3 automotive battery packs, housed in five shipping containers. This allows it to benefit from using the existing wind farm for grid export connection.
The site came online in May 2018 and was one of eight projects selected by National Grid to provide Enhanced Frequency Response (EFR), with a contract held till February 2022.
When this comes to an end, Arenko will optimise the site, using its automated dispatch software to maximise returns. This forecasts market solutions, and performs millions of simulations per day to assess trading decisions across markets, and then dispatch stored energy.
Jake Dunn, commercial manager at Vattenfall, said: “As the EFR…
