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Renewable power being stored in Wales

By: Matthew White 18/05/2018 Vattenfall

General Grid

Welsh battery storage unit is now operational and is able to store renewable power from nearby wind farms.

Vattenfall’s battery at Pen y Cymoedd, the largest co-located battery installation in the United Kingdom, is now operational and stores renewable wind power from Vattenfall’s Welsh onshore wind farm Pen y Cymoedd. It thereby helps to provide reliability service to UK National Grid.

The 22MW facility, which shares electrical infrastructure with the Pen y Cymoedd wind farm, will help UK National Grid maintain frequency levels and reliability of electricity supply, by storing electricity produced by the wind farm.

Gunnar Groebler, Senior Vice President Business Area Wind, said: “Vattenfall is on the road to a smart, digitalised future, free from fossil fuels. I can think of few other energy installations that better demonstrate what that future looks like than this battery installation.”

The battery is made up of six shipping container sized units, five of which house 500 i3 BMW manufactured battery packs. It uses new lithium-ion batteries with a capacity of 33 kilowatt hours (kWh) supplied by BMW and adapted for a stationary application.

Claus Wattendrup, Head of Business Unit Solar & Batteries, said: “This is Vattenfall’s largest battery installation to date, where we make use of synergies at our existing wind farms sites – such as at Pen y Cymoedd or the Princess Alexia Wind Farm in the Netherlands. Hybrid renewable parks will play a larger role in the future and we are leading this development.”

Last month, Ørsted announced it will build and operate a 20MW battery storage project near Liverpool in the UK.

The Carnegie Road battery storage project is Ørsted’s first venture into large-scale storage and is expected to be operational by the end of 2018. It will be used to provide services to the UK’s National Grid to help manage grid stability during changes between peak and low power demand.

In 2017, Ørsted made the decision to build a position in the energy storage market and has started testing energy storage in connection with its UK offshore wind farm Burbo Bank and the EnergyLab Nordhavn project in Denmark.

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Renewable power being stored in Wales

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