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Emosson storage power station

Situated at an altitude of 1,930 metres, the Emosson reservoir is partly fed by the waters of the Mont Blanc massif. Energy is generated in the Vallorcine and Martigny-La Bâtiaz stations located around 1,400 meters lower down. The water stored in the reservoir is sufficient to generate electricity to illuminate a city of 250,000 residents.

Facts & figures

Plant type:

Storage power plant

Location:

Martigny, Switzerland

Number of turbines:

La Batiaz (CH): 2 Pelton turbines / Vallorcine (F): 3 Pelton turbines + 1 Francis turbine + 2 pumps

Capacity:

390 MW

Shareholding:

50 %

Commissioning:

1954

Average annual production:

835 GWh

Guided tours:

Yes

Status:

In service

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