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Nedre Leirfoss power plant

Norway / Hydropower / Power plant

Nedre Leirfoss power plant is located on the Nid River in Trondheim Municipality in Trøndelag County.

  • 1910
    Entered into operation
  • 2 MW
    Installed capacity
  • 19.5 GWh
    Annual production

Nedre Leirfoss uses a height of fall of 27 metres from Lake Hyttsaga and is a run-of-river power plant.

The power plant was commissioned in 1910 with two generating units. In 1921, 1943 and 1958, new generating units were added. There were five installed in total, although plans called for six.

The power plant was partially replaced by Leirfossene power plant in 2008. However, to exploit the minimum water discharge of 10 cubic metres per second between Øvre and Nedre Leirfoss, a new generating unit with a vertical Francis turbine was installed in 2014. Only two of the original generating units remain in the plant.

Nedre Leirfoss power plant is now designated as a special preservation area by Trondheim Municipality under the Planning and Building Act of 1985.   

Plans for the plant were originally drawn by architect Axel Guldahl and the plant has a distinctive architecture. The building is rectangular with rounded corners and has clear allusions to a medieval castle with a cornice rising above the flat roof. The building is also equipped with "gun ports" and tower-like constructions on each corner. The power plant building is constructed of concrete and faced with stone.

 

Company Ownership share
Statkraft 100%
  • Nedre Leirfoss exterior
    Nedre Leirfoss
    Norwegian Museum of Hydropower and Industry

    Nedre Leirfoss power plant.

  • Nedre Leirfoss power plant
    Nedre Leirfoss
    Mikal Sveen

    Nedre Leirfoss power plant

  • The distinctive power plant building from 1910 was designed by architect Axel Guldahl
    Nedre Leirfoss
    Mikal Sveen

    The distinctive power plant building from 1910 was designed by architect Axel Guldahl.

  • The building's facades are adorned with decorative elements
    Nedre Leirfoss
    Mikal Sveen

    The building's facades are adorned with decorative elements.

  • Nedre Leirfoss power plant
    Nedre Leirfoss
    Erling Nystad

    Nedre Leirfoss power plant.

  • The new mini power plant stands out from the remaining older generating units
    Nedre Leirfoss
    Erling Nystad

    The new mini power plant stands out from the remaining older generating units.

  • Original generating units in the machine hall at Nedre Leirfoss
    Nedre Leirfoss
    Erling Nystad

    Original generating units in the machine hall at Nedre Leirfoss.

  • A room in the power plant is being used as a warehouse for historic material from a bygone era
    Nedre Leirfoss
    Erling Nystad

    A room in the power plant is being used as a warehouse for historic material from a bygone era.

  • Nedre Leirfossene
    Nedre Leirfoss
    Norwegian Museum of Hydropower and Industry

    Nedre Leirfossene

  • Nedre Leirfoss
    Nedre Leirfoss
    Norwegian Museum of Hydropower and Industry

    Nedre Leirfoss

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