Ulla-Førre
| Ulla-Førre | |
|---|---|
The artificial lake Blåsjø and Storvassdammen | |
| Country | Norway |
| Status | Operational |
| Owner(s) | Statkraft |
| Reservoir | |
| Creates | Blåsjø |
| Total capacity | 3.1 km3 (0.74 cu mi) |
| Active capacity | 7.8 TWh |
| Surface area | 84.48 km2 (32.62 sq mi) |
| Normal elevation | 930–1,055 m (3,051–3,461 ft) |
| Kvilldal Hydroelectric Power Station | |
| Installed capacity | 1,240 MW |
| Annual generation | 3,517 GWh |
| Saurdal Hydroelectric Power Station | |
| Installed capacity | 640 MW |
| Annual generation | 1,335 GWh |
| Hylen Hydroelectric Power Station | |
| Installed capacity | 160 MW |
| Annual generation | 583 GWh |
| Stølsdal Hydroelectric Power Station | |
| Installed capacity | 17 MW |
| Annual generation | 51 GWh |
Ulla-Førre is a hydropower complex in Southern Norway. It is situated along the borders of the municipalities of Suldal and Hjelmeland (in Rogaland county) and Bykle (in Agder county), Norway. It has an installed capacity of approximately 2,100 megawatts (2,800,000 hp), and the annual average production is 4.45 TWh (16.0 PJ) (1987–2006), while its reservoir capacity is about 7.8 TWh (28 PJ); at full production, it can last seven to eight months. The complex includes the artificial lake Blåsjø, which is made by dams around 1,000 metres (3,300 ft) above the sea level. The hydroelectric power stations in the complex are Saurdal, Kvilldal, Hylen and Stølsdal, operated by Statkraft.