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Dam
Norway
Lars Petter Pettersen

Førrevassdammen

  • 1964
    Commissioned
  • 220 MW
    Installed capacity
  • 199.1 GWh
    Annual production

It was commissioned in 1964 after a ten-year construction phase by PreussenElektra, later called E.ON and fully refurbished in 1998. At the beginning of 2009, Statkraft took over the plant.

Erzhausen has an installed capacity of 220 MW. The yearly electricity generation is variable and dependent on the electricity demand.

The pumped-storage power plant works with four Francis-Spiral turbines and is primarily used for peak power needs as well as to support the power frequency. Within 59 seconds the power plant can operate at full capacity, and in just 90 seconds it can switch from producing hydropower to pumping water back into the reservoir.

Erzhausen is prequalified for delivering secondary and tertiary control reserve.

In addition, the plant can provide so-called black starts. A black start is the process of restoring an electric power station or a part of a power grid to operation without relying on the external transmission network.

The central control room for monitoring the run-of-river hydropower plants in the Weser, Werra, Fulda and Eder rivers is located in the pumped-storage power plant Erzhausen.

Company Ownership share
Statkraft 100%
  • Pumped stoage
    Germany
    Thomas Prall

    The pumped-storage power plant at Erzhausen

  • Reservoir
    Germany
    Thomas Prall

    The reservoir at the Erzhausen power plant

  • Pipelines
    Germany
    Oliver Tjaden

    The pipelines at the Erzhausen power plant

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