Blåsjø, one of Europe's largest hydropower reservoirs, with multi-year energy storage capacity.
1. Lake Blåsjø 7,8 TWh
Lake Blåsjø is the ninth largest lake in Norway and was formed by damming up a number of small lakes. Blåsjø lies partly in Aust-Agder County and partly in Rogaland County, and serves as water reservoir for the Ulla-Førre power plants.
2. Lake Storglomvatn 3,5 TWh
Lake Storglomvatn is a regulated lake in the municipality of Meløy in Nordland County. The reservoir is used for power generation at Svartisen power plant in the Holand Fjord.
3. Lake Røssvatn 2,0 TWh
After its regulation in 1957, lake Røssvatn became Norway’s second largest lake in terms of surface area with its 219 square kilometres. The lake is located in the municipalities of Hattfjelldal and Hemnes in Nordland County. Lake Røssvatn is the main reservoir for Upper and Lower Røssåga power plants.
4. Lake Store Akersvatn 1,5 TWh
Lake Store Akersvatn is a lake in the municipality of Rana in Nordland County. The lake is the intake reservoir for the power plants at Rana.
5. Lake Songavatn 1,4 TWh
Lake Songavatn is a regulated lake in the municipality of Vinje in Telemark County. The lake is part of the Skien watercourse, and serves as water reservoir for the Songa power plant.