Grid Storage

Coire Glas hydroelectric plant

United Kingdom

6th-largest grid storage in United Kingdom of 12 · top 15% worldwide (#144 of 965)

Owner
SSE Renewables
Status
construction
Capacity
1,500 MW
Technology
pumped storage
Commissioned
2031
Also listed as
A power plant — this site generates as well as stores

Comparable grid storages · United Kingdom · 12 ranked

All grid storages in United Kingdom

Grid connection · within 50 km

Nearest substation
Fort Augustus Substation
Its voltage
400 kV
Distance
18 km
Strongest line nearby
400 kV
Line operator
SSE Power Distribution
Substations in range
2

Mapped grid infrastructure from OpenStreetMap, whose coverage is excellent in some regions and sparse in others. Nothing shown here means nothing is mappednearby — not that the site is unconnected. Lines are matched on a segment’s midpoint, so a corridor passing directly overhead can be missed; this under-reports rather than invents.

Co-located infrastructure · within 25 km

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Portfolio

SOURCE: Global Energy Monitor · Global Integrated Power, March 2026 (CC BY 4.0)