Lac des Toules
Canton of Valais, Switzerland
Lac des Toules is a reservoir in Valais, Switzerland, at Bourg-Saint-Pierre. Its surface area is 0.61 km2 (0.24 sq mi). It has a €2.2 million floating solar plant that was flown in by helicopter in 2019, and delivers 800 MWh/year. The dam Les Toules was completed in 1963.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).