Porjus Hydroelectric Power Station

Porjus power station (Swedish: Porjus kraftverk) is one of the oldest and largest power plants in Sweden, situated near Porjus. It was built 1910-1915 and has a power of 480 MW. Besides three-phase AC, the plant originally also generated single phase 15 Hz AC for railway traction and hence, two single-phase 80 kV power lines ran along the Iron Ore Line Malmbanan where it was transformed down to 16 kV in substations. However this system was later abandoned in favor of rotary converter stations. The original machines for single phase AC were subsequently scrapped.

The dam, circa 1930-1949

The construction of the Porjus power station out in the wilderness is considered a pioneering achievement. The material for the founding work had to be carried in backpacks over a 44 km trail in uninhabited land before any infrastructure was built. In the early 1970s, a new power station was built but the old monumental brick building has been kept as a cultural heritage site with most of the machinery intact, with Vattenfall doing daily tours for visitors during the summertime. The station is actually the third largest. In 2016, its 10 MW generator was upgraded with a fast active magnetic bearing for testing.[1]

Just downstream of the station is Harsprånget Hydroelectric power station. With 977 MW, it is the largest hydroelectric power station in Sweden.

## References

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1. ^ "Vattenkraften ska effektiviseras med magnetkraft". Ny Teknik. 25 October 2016. Retrieved 25 October 2016.

## External links

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* Sweden portal
* Water portal
* Renewable energy portal

* Media related to Porjus Hydroelectric Power Station at Wikimedia Commons
* Winchester, Clarence, ed. (1938), "Lapland's Arctic railway", Wonders of World Engineering, pp. 131–136, illustrated description of the Iron Ore line and the Porjus Power Station

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Vattenfall

Divisions and
subsidiaries|

| Current|

* Vattenfall Europe Nuclear Energy GmbH
* Vattenfall United Kingdom
* Vattenfall Nederland

|

Former|

* 50Hertz Transmission GmbH1

Joint ventures|

* Aegir Wave Power
* Deutsche Gesellschaft zum Bau und Betrieb von Endlagern für Abfallstoffe (5.5%)
* Deutsche Offshore-Testfeld und Infrastruktur (26.25%)
* Gesellschaft für Nuklear-Service (5.5%)

Places and
facilities|

| Denmark|

* Fyn Power Station
* Horns Rev (60%)
* Nordjylland Power Station

|

Germany|

| Coal|

* Boxberg
* Jänschwalde
* Lippendorf
* Rostock (25%)
* Schwarze Pumpe

|

Nuclear|

* Brokdorf (20%)
* Brunsbüttel2 (67%)
* Krümmel2 (50%)
* Stade2 (33.3%)

Wind|

* Alpha Ventus Offshore Wind Farm4

Poland|

* Kawęczyn Heat Plant
* Siekierki Power Station
* Żerań Power Station

Sweden|

| Hydroelectric|

* Älvkarleby
* Harsprånget
* Hojum
* Olidan
* Porjus
* Suorva

|

Nuclear|

* Ågesta2
* Barsebäck2
* Forsmark
* Ringhals (70%)

Wind|

* Lillgrund

United
Kingdom|

| Wave|

* Aegir3 5

|

Wind|

* Kentish Flats Offshore
* Ormonde
* Thanet
* Pen y Cymoedd

Other|

* Vattenfall Cyclassics
* Nuna

* 1Sold
* 2Decommissioned
* 3Proposed
* 4Owned by Deutsche Offshore-Testfeld und Infrastruktur
* 5Owned by Aegir Wave Power

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Hydroelectric dams on the Lule River

* Ritsem
* Vietas
* Porjus
* Harsprånget
* Ligga
* Messaure
* Porsi
* Laxede
* Vittjärv
* Boden

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Energy in Sweden

Companies|

* E.ON Sverige
* Ellevio
* Fortum
* Mälarenergi
* Skellefteå Kraft
* Svenska kraftnät
* Sydkraft
* Vattenfall

Nuclear plants|

| Active|

* Forsmark
* Oskarshamn
* Ringhals

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Closed|

* Ågesta
* Barsebäck

Hydroelectric plants|

* Älvkarleby
* Porjus
* Trollhättan
* Hojum
* Olidan
* Governance
* List

Transmission|

| Within Sweden|

* HVDC Gotland
* HVDC Hellsjön–Grängesberg
* HVDC Visby–Näs

|

To other countries|

* Baltic Cable
* Fenno–Skan
* Konti–Skan
* NordBalt
* SwePol

Related topics|

* Minister for Energy
* Ministry of Climate and Enterprise
* Nordic energy market
* Solar power in Sweden
* Synchronous grid of Continental Europe
* Synchronous grid of Northern Europe
* Wind power in Sweden

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66°57′43″N 19°48′15″E﻿ / ﻿66.96194°N 19.80417°E﻿ / 66.96194; 19.80417

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