Grid Storage

Glems hydroelectric plant

Germany

21st-largest grid storage in Germany of 25 · top 95% worldwide (#910 of 965)

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Owner: EnBW Energie Baden-Württemberg AG (EnBW)
Status: operating
Capacity: 90 MW
Technology: pumped storage
Commissioned: 1964
Also listed as: A power plant — this site generates as well as stores

Comparable grid storages · Germany · 25 ranked

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Grid connection · within 50 km

Nearest substation: Umspannwerk Metzingen
Its voltage: 380 kV
Distance: 5.1 km
Strongest line nearby: 380 kV
Line operator: Netze BW GmbH;TransnetBW GmbH
Substations in range: 12

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

Umspannwerk Metzingen5.1 km · Substation / Converter
RWE Herbertingen West 380 kV, NETEN-RTWST 110 kV5.1 km · Transmission Line
380 kV line5.2 km · Transmission Line
BZW-WDL/MEZ 380 kV5.2 km · Transmission Line
Umspannwerk Wendlingen20 km · Substation / Converter
Nepustil RZ424 km · Data Centre
Altbach power station24 km · Power Plant · 1.0 GW · coal
Altbach power station24 km · Power Plant · 665 MW · gas
Umspannwerk Altbach 125 km · Substation / Converter

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Portfolio

All assets by EnBW Energie Baden-Württemberg AG (EnBW) →

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