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United Kingdom · asset class
Grid Storages in United Kingdom
The United Kingdom has 12 grid storages mapped on the OverWatts open energy atlas — the 14th-largest fleet of the 58 countries that hold any, and 1% of the world's mapped total. Of these, 4 operating and 8 under construction or proposed. The largest is Dinorwig hydroelectric plant (2.0 GW).
The largest owner-operators are SSE Renewables (3), ENGIE SA (2) and Gilkes Energy (2) — SSE Renewables alone is named on 25% of them. 8 are in the pipeline, led by Balmacaan Estate hydroelectric plant (2.0 GW), under construction.
12
Grid Storage in United Kingdom
#14
of 58 countries
8
In construction / proposed
On the interactive map
Largest grid storages in United Kingdom
- Dinorwig hydroelectric plant2.0 GW · 1984
- Balmacaan Estate hydroelectric plant2.0 GW · 2032 · construction
- Earba hydroelectric plant1.8 GW · construction
- Loch Fearna hydroelectric plant1.8 GW · construction
- Balliemeanoch hydroelectric plant1.5 GW · 2031 · construction
- Coire Glas hydroelectric plant1.5 GW · 2031 · construction
- Loch na Cathrach hydroelectric plant450 MW · construction
- Cruachan hydroelectric plant440 MW · 1965
- Glenmuckloch hydroelectric plant400 MW · 2029 · construction
- Ffestiniog hydroelectric plant384 MW · 1963
- Foyers hydroelectric plant320 MW · 1974
- Glyn Rhonwy hydroelectric plant100 MW · construction
Who owns United Kingdom's grid storages
- SSE Renewables3 25%
- ENGIE SA2 17%
- Gilkes Energy2 17%
- Buccleuch1 8%
- Drax1 8%
- Glen Earrach Energy Ltd1 8%
- ILI Group1 8%
- Quarry Battery Company1 8%
Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.
Under construction & proposed
- Balmacaan Estate hydroelectric plant2.0 GW · 2032 · construction
- Earba hydroelectric plant1.8 GW · construction
- Loch Fearna hydroelectric plant1.8 GW · construction
- Balliemeanoch hydroelectric plant1.5 GW · 2031 · construction
- Coire Glas hydroelectric plant1.5 GW · 2031 · construction
- Loch na Cathrach hydroelectric plant450 MW · construction
- Glenmuckloch hydroelectric plant400 MW · 2029 · construction
- Glyn Rhonwy hydroelectric plant100 MW · construction
How United Kingdom compares · grid storages by country
- 1. China401
- 11. South Korea18
- 12. Switzerland17
- 13. Portugal14
- 14. United Kingdom12
- 15. France9
- 16. Greece9
- 17. Poland8
Frequently asked
- How many grid storages are there in United Kingdom?
- OverWatts maps 12 grid storages in United Kingdom — 1% of the world's mapped total, the 14th-largest national fleet of the 58 countries with any.
- What is the largest grid storage in United Kingdom?
- Dinorwig hydroelectric plant, at 2.0 GW, operated by ENGIE.
- Who owns the grid storages in United Kingdom?
- SSE Renewables is named as owner or operator on the most — 3 of 12 (25%). Next are ENGIE SA (2), Gilkes Energy (2) and Buccleuch (1).
- What new grid storages are being built in United Kingdom?
- 8 projects are under construction or proposed. The largest are Balmacaan Estate hydroelectric plant (2.0 GW), Earba hydroelectric plant (1.8 GW) and Loch Fearna hydroelectric plant (1.8 GW).