Electra-Massa storage power plant

Bitsch power station – alt. 693 m

The Gebidem dam is fed by meltwater from the Aletsch glacier, which is very rich in sediment. The 55 m3/s turbined by the Bitsch power station contain between 10 and 13 kg of sand, or an average of almost 40 tons per hour.

  1. Alpiq share in the output: 23 %

  2. Average annual roduction: 564 GWh

  3. 220 kV grid connection

  4. 3 Pelton turbines

  5. Total capacity: 340 MW

  6. Gross head: 750 m

Gebidem dam – alt. 1436 m

  • Constructed: 1964

  • Commissioning: 1969

  • Type: Arch dam

  • Height: 122 m

  • Crest: 327 m

  • Reservoir capacity: 9.2 million m3

  • Area: 21 ha

  • Catchment area: 150.3 km2

Facts & figures

Plant type:

Storage ppower plant

Location:

Bitsch, Switzerland

Number of turbines:

3 Pelton turbines

Capacity:

340 MW

Shareholding:

34.5 %

Commissioning:

1969

Average annual production:

564 GWh

Guided tours:

Yes

Status:

In service

Certificates