Wikipedia
Ulla-Førre
Ulla-Førre is a hydropower complex in Suldal, Hjelmeland and Bykle in Norway. It has an installed capacity of approximately 2,100 MW, and the annual average production is (1987-2006), while its annual potential is about . The complex includes the artificial lake Blåsjø, which is made by dams around above the sea level. The hydroelectric power station in the complex are Saurdal, Kvilldal, Hylen and Stølsdal, operated by Statkraft.