Wind Power: Costs

Department for Business, Energy and Industrial Strategy written question – answered on 22 December 2022.

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Photo of Craig Mackinlay Craig Mackinlay Conservative, South Thanet

To ask the Secretary of State for Business, Energy and Industrial Strategy, with reference to his Department’s published estimates of levelized cost of electricity generation, which formulae are used to model (a) the decline of an individual windfarm's output and (b) the change in an individual windfarm's annual operating costs over its operational lifetime.

Photo of Graham Stuart Graham Stuart Minister of State (Minister for Climate)

Currently the Government does not model degradation of wind turbine output nor changes in operating costs with time, but instead uses lifetime average values to calculate mean levelised cost of electricity.[1]


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