Étang de Soulcem

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Étang de Soulcem
Barrage Soulcem.jpg
Location Vicdessos valley, Ariège, France
Coordinates 42°40′05″N 01°26′48″E / 42.66806°N 1.44667°E / 42.66806; 1.44667Coordinates: 42°40′05″N 01°26′48″E / 42.66806°N 1.44667°E / 42.66806; 1.44667
Construction began 1980
Opening date 1983
Operator(s) Électricité de France
Dam and spillways
Impounds Rousseau de Mounicou
Height 66.50 m (218.2 ft)
Length 275 m (902 ft)
Width (base) 15 m (49 ft)
Creates Étang de Soulcem
Total capacity 29,300,000 m3 (1.03×109 cu ft)
Catchment area 44.3 km2 (17.1 sq mi)
Surface area 0.91 km2 (0.35 sq mi)
Power Station
Hydraulic head 409 m (1,342 ft) (via chutes to the Soulcem hydro plant)
Annual generation 62 GWh/year
Average flow 7 m3/s
Peak flow 85 m3/s
Evacuation flow134 m3/s

Étang de Soulcem is a large artificial lake in the Pyrenees mountains in Ariège, France. It is at an elevation of 1570 m and is used for hydroelectricity, generating 62 GWh/year. The lake, which has a surface area of 0.91 km2, was formed following the construction by Électricité de France of a dam across the northern end of the Vicdessos valley in 1980–1983.

The lake contains various fish including brown trout (S. trutta), Arctic char (S. alpinus), brook trout (S. fontinalis), and common minnow (P. phoxinus).

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