What to do in summer > Sports and leisure > The Educational Trails > Heritage Trails > Historical path in Mottec > Mottec- Post 1. Hydroelectric Plant

Mottec- Post 1. Hydroelectric Plant

The hydroelectric plant of Mottec, whose construction began in 1954, was commissioned in 1959. It is part of the facilities of the Forces Motrices de la Gougra exploiting the waters of the valleys of Anniviers and Turtmann. Its construction had a strong impact on the development of the valley, but also contributed to a great change in the lifestyle of the Anniviards.

Map of Mottec

Follow the road to the plant and park at the first curve on your right. From here you can see the building of the plant and its clearing basin.

This electrical plant has three groups of turbines and generators for the transformation of water into electrical energy with an installed capacity of 69 MW, as well as two powerful pumps that can be used to fill the lake of Moiry, located 600 meters higher, with water from the Navisence and with the watershed of Turtmann.

The complex is not limited to the Moiry dam, which can hold 77 million m3 of water, and that of Tourtemagne, with its 750 000 m3. It also consists in a supply network of tunnels dug into the rock, penstocks and armoured wells. The water is routed to three hydroelectric plants, located in Mottec, Vissoie and Chippis, allowing to maximize the accumulated energy. Not less than 130 000 households can benefit from the electricity produced each year. 

The Mottec compensating basin with a capacity of 150,000 m3, allows the plant in Vissoie (lower tier) further flexibility of production.

Guided tours by reservation at the Tourist Offices.


Next post

Come back to the main road and follow the first street on your left up to the Sainte-Claire chapel.