Ulla-Førre is a

hydropower Hydropower (from Ancient Greek -, "water"), also known as water power or water energy, is the use of falling or fast-running water to Electricity generation, produce electricity or to power machines. This is achieved by energy transformation, ...

complex in

Southern Norway Southern Norway (; lit. "The Southland") is the geographical List of regions of Norway, region (''landsdel'') along the Skagerrak coast of southern Norway. The region is an informal description since it does not have any governmental function ...

. It is situated along the borders of the municipalities of

Suldal Suldal is a List of municipalities of Norway, municipality in the northeast corner of Rogaland Counties of Norway, county, Norway. It is located in the Districts of Norway, traditional district of Ryfylke. Since 1965, the administrative centre of ...

and Hjelmeland (in

Rogaland Rogaland () is a Counties of Norway, county in Western Norway, bordering the North Sea to the west and the counties of Vestland to the north, Telemark to the east and Agder to the east and southeast. As of 1 January 2024, it had a population of 49 ...

county) and Bykle (in

Agder Agder is a counties of Norway, county () and districts of Norway, traditional region in the southern part of Norway and is coextensive with the Southern Norway region. The county was established on 1 January 2020, when the old Vest-Agder and Au ...

county),

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

. It has an installed capacity of approximately , and the annual average production is (1987–2006), while its reservoir capacity is about ; at full production, it can last seven to eight months. The complex includes the artificial lake Blåsjø, which is made by dams around above the sea level. The hydroelectric power stations in the complex are Saurdal, Kvilldal, Hylen and Stølsdal, operated by

Statkraft Statkraft AS is a hydropower Hydropower (from Ancient Greek -, "water"), also known as water power or water energy, is the use of falling or fast-running water to Electricity generation, produce electricity or to power machines. This is ac ...

Blåsjø

Blåsjø is the tenth largest lake in Norway by area. It is located in the

municipality A municipality is usually a single administrative division having municipal corporation, corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality' ...

of Bykle in

county A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...

and the municipalities of Hjelmeland and Suldal in

county. The lake is about west of the village of Bykle. It has a surface area of . Its surface swings between above sea level depending on seasonal weather and power consumption, and it has a shoreline of about . At the highest regulated water level, Blåsjø contains of water.

Kvilldal Hydroelectric Power Station

The Kvilldal Power Station is a located in the municipality of Suldal. The facility operates at an installed capacity of , making it the largest power station in Norway in terms of capacity. Statnett plans to upgrade the western grid from 300 kV to 420 kV at a cost of , partly to accommodate the North Sea Link cable from Kvilldal to Blyth, UK.

Saurdal Hydroelectric Power Station

The Saurdal Power Station is a hydroelectric and

pumped-storage Pumped-storage hydroelectricity (PSH), or pumped hydroelectric energy storage (PHES), is a type of hydroelectric energy storage used by electric power systems for load balancing. A PSH system stores energy in the form of gravitational potent ...

power station located in the municipality of Suldal. The facility operates at an installed capacity of (in 2015). The average energy absorbed by pumps per year is (in 2009 to 2012). The average annual production is (up to 2012).

Hylen Hydroelectric Power Station

The Hylen Power Station is located at the bottom of Hylsfjord in Suldal. It operates at an installed capacity of , with an average annual production of . The plant exploits water through a tunnel from the lake Suldalsvatnet.

References

External links

Brochure
* {{DEFAULTSORT:Ulla-Forre Hydroelectric power stations in Norway Dams in Norway Pumped-storage hydroelectric power stations