Written questions

Hydroelectric Power: Storage

Lords · Question HL10328 · Tabled 8 Sep 2025 · Department for Energy Security and Net Zero · Official record

Answered 22 Sep 2025

Question

Asked by Lord Wigley

To ask His Majesty's Government what is the existing energy storage capacity of (1) hydroelectric pump storage facilities at full capacity, (2) battery storage facilities, and (3) other methods of electricity storage; and what are the target figures for e

Answer

Answered by Lord Wilson of Sedgefield, 22 Sep 2025

Power capacity statistics for energy storage capacity in the UK can be found in the annually published Digest of UK Energy Statistics (DUKES), in particular Table 5.16.[1] The government’s Clean Power Action Plan[2] sets out ranges for the energy storage ...