Electricity: Storage

Department for Business, Energy and Industrial Strategy written question – answered on 2nd March 2018.

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Photo of Baroness Featherstone Baroness Featherstone Liberal Democrat Lords Spokesperson (Energy and Climate Change)

To ask Her Majesty's Government how many gigawatts of large scale long duration electricity storage, of over four hours, was on the National Grid last year; and what assessment they have made of the total requirement for this year.

Photo of Lord Henley Lord Henley Parliamentary Under-Secretary (Department for Business, Energy and Industrial Strategy)

Long duration storage, in the form of pumped hydro, accounted for just under 3GW capacity in GB last year. National Grid, as System Operator, takes a technology neutral approach to securing services that meet the needs of balancing the electricity system, and is in the process of setting out future needs through their System Needs and Product Strategy.

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