Oașa Dam
LocationAlba County, Romania
Dam crossesSebeș
Coordinates45.588°N 23.628°E
CountryRomania
Res surface4.54 km2 (1.75 sq mi)
Res capacity total136 e6m3

Oașa Dam is a large dam on the river Sebeș in Romania.

The project was started and finished in the 1980s and it was made up by the construction of a reinforced concrete facing rockfilled dam 91 m high.

The Gâlceag hydropower plant is equipped with two turbines, having an installed capacity of 150 MW.

The power station generates 260 GWh of electricity per year.