| Oașa Dam | |
| Location: | Alba County, Romania |
| Coordinates: | 45.588°N 23.628°W |
| Country: | Romania |
| Res Surface: | 4.54km² |
| Res Capacity Total: | 136e6m3 |
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.