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GENERATION Β· NETWORKS Β· ELECTRICITY DEMAND

Hydro & pumped storage

Explore operating assets, construction and proposals across the electricity system. Find the capacity, planning status and evidence behind each project.

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20Matching project records
0Operating records
0Construction or enabling works
July 2026Official renewable register edition
DESNZ tracks projects over 150 kW, with limitations for smaller historical projects. Rows represent planning records and may include linked applications, extensions and separate storage phases. Do not sum them as a definitive national fleet total.
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Project map

Use the map to explore the matching projects. Solid markers show published or mapped points; shaded dashed circles show approximate areas. Cable endpoints are shown separately.

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20 results

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GRID CONTEXT

Great Britain electricity now

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National figures from the Carbon Intensity API. These do not measure an individual project’s output, cable flow or data-centre electricity use.

The wider power system

Explore conventional and nuclear power stations, grid connections, renewable technology guides and source updates.

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