The use of electric car battery packs to create large energy storage projects is becoming increasingly popular.

Now, a new one made of BMW i3 battery packs is connecting to the UK National Grid and has become one of the largest to date.
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The project is made of six shipping container sized units, five of which house 500 i3 BMW manufactured battery packs, which each have a 33 kWh capacity.

For a comparison, BMW delivered just over 500 i3 electric vehicles in the US last month. Therefore, it’s a significant portion of their battery pack manufacturing going to stationary energy storage.

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The 22MW facility has been installed at Vattenfall’s Welsh onshore wind farm Pen y Cymoedd.

It shares the electrical infrastructure of the wind farm to create a hybrid renewable energy and storage asset.

Read more: Electrek