Solbergfoss Hydroelectric Power Station () is a

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 Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...

power station on the

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 13% of Norway's surface area, all in the southern part of the country. Geography At its fullest length, the river r ...

, in

Indre Østfold Indre Østfold is a mostly rural countryside region north in the former county of Østfold county in Norway, noted for its mostly unspoilt nature and for its agriculture. At January 1. 2020 five of the municipalities of Indre Østfold merged into ...

municipality,

Østfold Østfold () is a county in Eastern Norway, which from 1 January 2020 to 31 December 2023 was part of Viken. Østfold borders Akershus and southwestern Sweden (Västra Götaland County and Värmland), while Buskerud and Vestfold are on the other ...

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 ...

. Construction of the power station began in 1913. It was operational in 1924. Solbergfoss is owned by

E-CO Energi E-CO Energi is a Norwegian power company and after Statkraft the second largest producer of electricity in Norway. Structure E-CO is wholly owned by the City of Oslo. Operations are divided into E-CO Vannkraft, E-CO Norne and Oslo Lysverker. E ...

(64,4%) and

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 ...

(35,6%).

Dam

Solbergfoss Dam is a concrete

gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation. Gravity dams are designed so that each section of the dam is ...

Power station

The hydraulic head is 21 m.

Solbergfoss I

The power station contains 13

Francis turbine The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. The pro ...

-generators. The total nameplate capacity is 108 MW. Its average annual generation is 350

GWh A kilowatt-hour ( unit symbol: kW⋅h or kW h; commonly written as kWh) is a non-SI unit of energy equal to 3.6 megajoules (MJ) in SI units, which is the energy delivered by one kilowatt of power for one hour. Kilowatt-hours are a commo ...

. Solbergfoss I was built from 1913 until 1924.

Solbergfoss II

The power station contains 1

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 a ...

-generator. The total nameplate capacity is 100 MW. Its average annual generation is 550 GWh. Solbergfoss II was built from 1979 until 1985.

External links

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References

{{DEFAULTSORT:Solbergfoss Hydroelectric Power Station Dams in Norway Hydroelectric power stations in Norway Gravity dams Dams completed in 1924 Energy infrastructure completed in 1924 1924 establishments in Norway Indre Østfold Buildings and structures in Østfold