Østfold Energi is a Norwegian

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 power company that operates hydroelectric power plants

Hydroelectricity

Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

 in Østfold

Østfold

is a county in southeastern Norway, bordering Akershus and southwestern Sweden , while Buskerud and Vestfold is on the other side of the bay. The seat of the county administration is Sarpsborg, and Fredrikstad is the largest city.Many manufacturing facilities are situated here. Moss and...

 and Sogn og Fjordane

Sogn og Fjordane

is a county in Norway, bordering Møre og Romsdal, Oppland, Buskerud, and Hordaland. The county administration is in the town of Hermansverk in Leikanger municipality while the largest town is Førde....

 with an annual power production of 1,680 TW·h/year. The power plants operated by Østfold Energi are Borgund power plant (1013 GWh/year), Stuvane power plant (165 GW·h/yr), Nyset-Steggje power plant (449 GW·h/yr), Brekke power plant (30 GW·h/yr), Tistedalsfoss power plant (13 GW·h/yr) and Ørje power plant (9 GW·h/yr).

In 2009 Østfold Energi, together with Nord-Trøndelag Elektrisitetsverk

Nord-Trøndelag Elektrisitetsverk

Nord-Trøndelag Elektrisitetsverk or NTE is a power company serving Nord-Trøndelag in Norway and owned by Nord-Trøndelag county municipality. NTE is one of the largest producers of electricity in Norway, with an annual production of 3,995 GWh per year...

, purchased Siso and Lakshola power plants in Nordland county. Combined production at the power plants totals around 1 TWh. This acquisition brings Østfold Energi’s share of Norway’s total hydropower production to around 1.7 per cent.

Østfold Energi is co-owner of Kvalheim Kraft DA who owns and operates the windmill park Mehuken in Sogn og Fjordane

Sogn og Fjordane

is a county in Norway, bordering Møre og Romsdal, Oppland, Buskerud, and Hordaland. The county administration is in the town of Hermansverk in Leikanger municipality while the largest town is Førde....

 on the west coast of Norway. The wind farm was opened in 2001 with five wind turbines. In 2010 the wind farm was extended with additional eight wind turbines. The annual production of electricity is now 65 GWh. The approximately 3,000 households in the Vågsøy

Vågsøy

Vågsøy is a municipality in the county of Sogn og Fjordane, Norway. It is located in the traditional district of Nordfjord. The municipality's administrative center is the town Måløy. Vågsøy is also the name of the main island in the municipality with an area of...

 municipality are now self-supported with electricity from the wind turbines at Mehuken.

Østfold Energi owns and operates two modern waste-to-energy

Waste-to-energy

Waste-to-energy or energy-from-waste is the process of creating energy in the form of electricity or heat from the incineration of waste source. WtE is a form of energy recovery...

 plants. The plant in Sarpsborg converts waste residue (house refuse and industrial waste) into thermal energy (process steam) to Borregaard

Borregaard

Borregaard is a Norwegian company, established in 1889 in the southeastern town of Sarpsborg in Østfold county. Its main products were traditionally pulp and paper. The company later started producing chemicals based on timber as a raw material...

. The plant in Rakkestad

Rakkestad

Rakkestad is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Rakkestad. It is divided into the parishes of Rakkestad, Degernes, and Os. The municipality is the county's second largest by area and one of Norway's largest agricultural...

 provides process steam and district heating to nearby industrial companies. Totally 181 GWh thermal energy was produced at the waste-to-energy

Waste-to-energy

Waste-to-energy or energy-from-waste is the process of creating energy in the form of electricity or heat from the incineration of waste source. WtE is a form of energy recovery...

 plants during 2010.

The company also holds ownership of Bio Varme Sarpsborg AS (100%), Norsk Vannkraftproduksjon (50%), Zephyr (33%), Norsk Grønnkraft (25%), Kvalheim Kraft (33%), Rygge sivile lufthavn (15%) and Hafslund

Hafslund ASA

Hafslund ASA is a Norwegian power company. The company owns the power grid and district heating in Oslo as well as nine hydroelectric power plants. Hafslund is the largest owner of power grids and the largest end-user seller of electricity in Norway. Hafslund also owns 11,5% of Renewable Energy...

 (4.5%).

The company is owned by Østfold county municipality and thirteen municipalities in Østfold

Østfold

is a county in southeastern Norway, bordering Akershus and southwestern Sweden , while Buskerud and Vestfold is on the other side of the bay. The seat of the county administration is Sarpsborg, and Fredrikstad is the largest city.Many manufacturing facilities are situated here. Moss and...

: Østfold county municipality (50%), the municipality of Sarpsborg

Sarpsborg

is a city and municipality in Østfold county, Norway. The administrative centre of the municipality is the city of Sarpsborg.Sarpsborg is part of the fifth largest urban area in Norway when paired with neighbouring Fredrikstad...

 (14.29%), Halden

Halden

is a both a town and a municipality in Østfold county, Norway. The seat of the municipality, Halden is a border town located at the Tista river delta on the Iddefjord, the southernmost border crossing between Norway and Sweden.-History:...

 (7.14%), Moss

Moss

Mosses are small, soft plants that are typically 1–10 cm tall, though some species are much larger. They commonly grow close together in clumps or mats in damp or shady locations. They do not have flowers or seeds, and their simple leaves cover the thin wiry stems...

 (7.14%), Askim

Askim

is a town and a municipality in Østfold county, Norway. The administrative centre of the municipality is the town of Askim. Askim was established as a municipality on 1 January 1838 ....

 (4.29%), Fredrikstad

Fredrikstad

is a city and municipality in Østfold county, Norway. The administrative centre of the municipality is the city of Fredrikstad....

 (4.29%), Eidsberg

Eidsberg

Eidsberg is a municipality in Østfold county, Norway. The administrative centre of the municipality is the town of Mysen. Neighboring municipalities are Rakkestad, Askim, Skiptvet, Trøgstad, and Marker in Østfold, and Aurskog-Høland in Akershus....

 (2.86%), Aremark

Aremark

Aremark is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Fosby.Aremark was established as a municipality on 1 January 1838 . The new municipality of Øymark was separated from Aremark on 1 July 1903.- Name :The Norse form of the name was...

 (1.43%), Hobøl

Hobøl

Hobøl is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Elvestad. Hobøl is situated about southeast of Oslo. The parish of Haabøl was established as a municipality on 1 January 1838 .The largest village in Hobøl is Tomter, whose train...

 (1.43%), Marker

Marker, Norway

Marker is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Ørje. Marker was created as a new municipality on 1 January 1964 after the merger of the two old municipalities of Rødenes and Øymark....

 (1.43%), Rømskog

Rømskog

Rømskog is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Rømskog. The new municipality of Rømskog was separated from Rødenes on 1 January 1902....

 (1.43%), Skiptvet

Skiptvet

Skiptvet is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Meieribyen. Skiptvet was established as a municipality on 1 January 1838 .-Name:...

 (1.43%), Spydeberg

Spydeberg

Spydeberg is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Spydeberg. It is divided into the parishes Spydeberg, Heli, and Hovin. Spydeberg was established as a municipality on 1 January 1838 .The village of Spydeberg has approximately...

 (1.43%), Våler

Våler, Østfold

Våler is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of "Våler i Østfold". The parish of Vaaler was established as a municipality on 1 January 1838 .- Name :...

 (1.43%).

History

The company was created through the 1960s to the 1980s as a merger between the municipal owned power companies throughout Østfold, with only five municipalities not joining. Until 1997 the company was named Østfold Energiverk.

In 2000 49% of the grid and retail subsidiaries were sold to Swedish Sydkraft

Sydkraft

E.ON Sverige AB, formerly known as Sydkraft, is Sweden's second largest utility company with an annual turnover of 42.9 billion Swedish Krona . The net profit for the 2008 fiscal year amounted to SEK 14.88 billion...

, and in 2003 Sydkraft took over the distribution, installation and retailing subsidiaries while the power production was left in Østfold Energi. The same year Sydkraft swapped its ownership to Fortum

Fortum

Fortum Oyj is a Finnish publicly listed energy company, which focuses on the Nordic and Baltic countries, Poland and the north-west of Russia. After acquisition of Russian energy company TGC-10 in year 2008, Western Siberia has become an important operating area for Fortum. The head of the company...

in a business deal.