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Harsprånget | |
---|---|
Country | Sweden |
Location | South of Porjus |
Coordinates | 66°57′15″N 19°48′53″E / 66.95417°N 19.81472°E |
Status | Operational |
Construction began | 1918 Cancelled 1921 Restarted 1945 |
Opening date | 1951 |
Owner(s) | Vattenfall |
Dam and spillways | |
Type of dam | Rock-fill dam |
Impounds | Lule River |
Height | 50 m (164 ft) |
Length | 1,400 m (4,600 ft) |
Dam volume | 6,000,000 m3 (210,000,000 cu ft) |
Reservoir | |
Creates | Harsprånget Reservoir |
Power Station | |
Type | Conventional |
Hydraulic head | 107 M |
Turbines | 3*110 MW, 1*180 MW, 1*465 MW, All of Francis-type |
Installed capacity | 977 MW |
Annual generation | 2,1 TWh (2009) |
Harsprånget is a hydroelectric power station located on the Lule River in northern Sweden, just downstream of Porjus.
With a power of 977 MW, [1] it is the largest hydroelectric power station in Sweden, and also the fourth largest in the Nordic countries. The name means " Hare Run" in Swedish. This was also the name of the mighty rapids there, and the name was related to the sharp turns in the rapids, a little similar to the ones a hare does when fleeing. Normal year production is around 2131 GWh. Total fall height is around 107 m.
Construction of the station started in 1918. However, recession after World War I cancelled the construction, which was not started again before 1945. It was opened in 1951, then with a power of 330 MW. In 1980, two new turbines were installed which increased the max power to 945 MW. The rated power was later increased further.
Units | 1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|
Capacity | 110 MW | 110 MW | 110 MW | 180 MW | 475 MW |
Maximum water flow | 127 m³/s | 127 m³/s | 127 m³/s | 175 m³/s | 485 m³/s |
Revolutions/min | 166,7 r/min | 166,7 r/min | 166,7 r/min | 166,7 r/min | 107,1 r/min |
Cog diameter | 3,6 m | 3,6 m | 3,6 m | 4,2 m | 6,6 m |
Supplier | NOHAB | NOHAB | NOHAB | KMW | NOHAB |
Grand total of 977 MW.