Tominaga Dam (富永ダム) is a dam in the city of Toyota in the Aichi Prefecture of Japan. It is a concrete Gravity dam that stands at a height of approximately 107 feet (33 meters) and generates power for Chubu Electric Power.

Tominaga Dam
LocationToyone, Aichi Prefecture, Japan.
Coordinates35°11′59″N 137°27′31″E / 35.19972°N 137.45861°E / 35.19972; 137.45861
Construction began1973
Opening date1980
Dam and spillways
Height32.5 m
Length337 m
Reservoir
Total capacity1,051,000 m3
Catchment area0.43 km2
Surface area11 hectares

History edit

After the Second World War, Chubu Electric Power, which had been expanding its power supply facilities, made plans to construct their fourth large-scale pumped-storage hydroelectric plant in the Yahagi River system following the Hatanagi, Takane, and Mazegawa dams.