De quoi est fait pumped-storage station
Stores energy by pumping water uphill.
- Water turbine — a pour partie. Reversible hydro units.
- Electric generator — a pour partie. At night pumps lift water uphill; by day it runs back down through turbines and generators.
- Universal gravitation — utilise. Energy is stored as the height of water.
- Béton — est fait de. The reservoirs and dam are concrete.