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Hydroelectric Power

Question for Department for Energy Security and Net Zero

UIN HL4350, tabled on 22 January 2025

To ask His Majesty's Government what proportion of the hydroelectric output in Great Britain is generated in (1) England, (2) Wales, and (3) Scotland.

Answered on

5 February 2025

Hydroelectric power accounts for 2% of the UK’s electricity generation. A majority of hydroelectric output is generated in Scotland.

In 2023, annual figures show that:

3% of hydroelectricity was generated in England*

7% of hydroelectricity was generated in Wales*

90% of hydroelectricity was generated in Scotland*

Latest data available on hydroelectric generation is available via the DESNZ publication, Energy Trends December 2024, Table ET 6.1: https://assets.publishing.service.gov.uk/media/6762b0d6cdb5e64b69e30735/ET_6.1_DEC_24.xlsx. This table shows annual generation (latest data 2023) of hydroelectricity in GWh, by country, on which the above information is based.

*Rounded to the nearest hundred.