Vamma Power Station (''Vamma kraftstasjon'') is a hydroelectric

power station A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid. Many ...

located on the river

Glomma The Glomma, or Glåma, is Norway's longest and most voluminous river. With a total length of , it has a drainage basin that covers fully 13% of Norway's surface area, all in the southern part of the country. Geography At its fullest length, the ...

approximately 4.5 km south of

Askim Askim () is a town and a former municipality in (from January 1, 2020) Indre Østfold Kommune in the former county of Østfold county (from January 1, 2020 a part of Viken county), Norway. The administrative centre of the Askim municipality wa ...

Østfold Østfold is a traditional region, a former county and a current electoral district in southeastern Norway. It borders Akershus and southwestern Sweden (Västra Götaland County and Värmland), while Buskerud and Vestfold are on the other side ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...

Sam Eyde Samuel Eyde (29 October 1866 – 21 June 1940) was a Norwegian engineer and industrialist. He was the founder of both Norsk Hydro and Elkem. Personal life Eyde was born in Arendal in Aust-Agder, Norway. He was a son of ship-owner Samuel Eyde (181 ...

formed Vamma Fossekompagnie in 1902 to build a power plant for a fertilizer factory. The factory plans were canceled in 1912 and Vamma Fossekompagnie was sold to

Hafslund (company) Hafslund AS is a group with ownership within the power industry. The group is fully owned by Oslo municipality. Hafslund's core business streams are hydropower, with 56 percent ownership in Norway's second largest hydropower company Hafslund Eco A ...

.
Construction of the power station started in 1907 and in 1915 the first two turbines were completed. Another six turbines were built between 1915 and 1927. In 1944 the final two were complete. The installed capacity at that point was from ten horizontal Francis turbines with dual runners. Between 1967 and 1971 a

Kaplan turbine The Kaplan turbine is a propeller-type water turbine which has adjustable blades. It was developed in 1913 by Austrian professor Viktor Kaplan, who combined automatically adjusted propeller blades with automatically adjusted wicket gates to ach ...

was built, adding another , and it now operates at an installed capacity of , with an average annual production of 1,275 GWh. In 2015 the construction of a twelfth turbine began on the south side of the dam. This is also a

rated at . The new turbine will allow the ten old turbines to only be used during the spring flood season, giving the plant more flexibility. The turbine is expected to add another 230GWh to the annual production.
Testing of the turbine began on 16 May 2019., and was officially opened on September 8, 2019, by prime minister

Erna Solberg Erna Solberg (; born 24 February 1961) is a Norwegian politician and the current Leader of the Opposition. She served as the 35th prime minister of Norway from 2013 to 2021, and has been Leader of the Conservative Party since May 2004. Solberg w ...

.
With the new turbine in operation it will be the largest

run-of-the-river Run-of-river hydroelectricity (ROR) or run-of-the-river hydroelectricity is a type of hydroelectric generation plant whereby little or no water storage is provided. Run-of-the-river power plants may have no water storage at all or a limited amou ...

hydroelectric plant in

References

Hydroelectric power stations in Norway Buildings and structures in Østfold {{hydroelectric-power-plant-stub

See also

References