About Siso Energi

Sist endret: 03.02.2011

Kartposisjon

Siso Energi AS owns and operates Siso og Lakshola hydropower plants in Sørfold Municipality in Nordland County in Norway.

Contact information

Siso Energi AS
Valjord
N-8226 Straumen, Norway
Telephone: +47 75 69 81 00
E-mail: post@siso.no
Manager: Stig Grønli, sg@sisoenergi.no

Siso hydropower plant

Facts:

  • Average yearly production: 957 GWh
  • The power plant started operating the first aggregate in 1968 and the second aggregate in 1970
  • The units have these rated outputs:
    • Turbine: 80 + 100 = 180 MW (Pelton turbines)
    • Generators: 94 + 135 = 229 MVA
  • Average head: 646 meters
  • Reservoirs: Sisovatn/Rundvatnet and Løytavatnet connected by tunnels
  • Reservoir capacity: 940 GWh
  • Sisovatn: Highest regulated water level 671 meters above sea level, lowest regulated water level 615 meters above sea level
  • Catchment area: 233,7 km2

Maskinsal Siso
The machine room in Siso hydropower plant.

sisovatn_1134
Sisovatn is the main reservoir for Siso power plant.

Lakshola hydropower plant

Facts:

  • Average yearly production: 107 GWh
  • The power plant started operating in 1999
  • The power plant has one aggregate. The unite has these rated outputs:
    • Turbine: 31 MW (Francis-turbine)
    • Generator: 34 MVA
  • Average head: 316 meters.
  • Main reservoir: Faulvatn. Highest regulated water level 317,5 meters above sea level, lowest regulated water level 314,0 meters above sea level
  • Reservoir capacity: 19 GWh
  • Catchment area: 77,1 km2

lakshola_maskinsal
The machine room in Lakshola hydropower plant.