Pumped-storage hydro · grid battery
Etzelwerk
operatingSwitzerland · closed loop, no river attached
- Turbine capacity
- 121 MW
- Energy storage
- -
- Gross head
- 473 m
- First unit
- 1937
SBB's 16.7 Hz railway plant between the Sihlsee and Lake Zurich at Altendorf
Nameplate figures and coordinates: Wikipedia (de) · 47.1944, 8.8112