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Hakavik Power Station is a 7 MW
hydroelectric power plant Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...
at
Øvre Eiker Øvre Eiker is a municipality in the traditional and electoral district Buskerud in Viken county, Norway. It is part of the traditional region of Eiker. The administrative centre of the municipality is the village of Hokksund. The old municipali ...
in
Buskerud Buskerud () is a former county and a current electoral district in Norway, bordering Akershus, Oslo, Oppland, Sogn og Fjordane, Hordaland, Telemark and Vestfold. The region extends from the Oslofjord and Drammensfjorden in the southeast to Hardan ...
, Norway, located 25 metres above sea level. The power station was inaugurated in 1922. It generates only railway
traction current A railway electrification system supplies electric power to railway trains and trams without an on-board prime mover or local fuel supply. Electric railways use either electric locomotives (hauling passengers or freight in separate cars), ele ...
,
single phase In electrical engineering, single-phase electric power (abbreviated 1φ) is the distribution of alternating current electric power using a system in which all the voltages of the supply vary in unison. Single-phase distribution is used when loads ...
55  kV at 16 2/3 
hertz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that on ...
. The station is the starting point of a powerline to Sande and another to Sundhaugen Switching Station, where a 55 kV-line to
Asker Asker ( no, Asker), properly called Askerbygda in Norwegian, is a district and former Municipalities of Norway, municipality in Akershus, Norway. From 2020 it is part of the larger administrative municipality Asker, Viken (also known as Greate ...
and another one to
Neslandsvatn Neslandsvatn is a village in Drangedal Municipality in Vestfold og Telemark county, Norway. The village is located along the small lake Neslandsvatnet, about to the southeast of the village of Prestestranda. The village of Henseid is located ab ...
over
Nordagutu Nordagutu is a village in the municipality of Midt-Telemark, Norway. Its population ( SSB 2005) is 367. Nordagutu train station is a part of the Bratsberg Line, and it serves as a junction between the Vestfold Line and Sørlandet Line The Sør ...
and Skollenberg departs. The only other power station in Norway to do this is
Kjofossen Power Station Kjofossen Power Station is a hydroelectric power plant at Vestland built during World War II. Part of its power is used as railway traction current, i.e. single-phase electric power at 16 2/3 hertz, fed directly into the overhead wire of the ...
.


See also

*
Kjofossen Power Station Kjofossen Power Station is a hydroelectric power plant at Vestland built during World War II. Part of its power is used as railway traction current, i.e. single-phase electric power at 16 2/3 hertz, fed directly into the overhead wire of the ...


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''Journal Extra''
Buildings and structures in Buskerud Hydroelectric power stations in Norway Øvre Eiker {{hydroelectric-power-plant-stub