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Lister- und Lennekraftwerke GmbH

Lister- und Lennekraftwerke GmbH (LLK) is a German hydropower company owned by the Ruhrverband, operating 15 hydroelectric plants in the Sauerland region.

Last updated September 28, 2026

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Overview

Lister- und Lennekraftwerke GmbH (LLK GmbH) is a German electricity generation company that belongs to the Ruhrverband and operates a total of fifteen hydroelectric power plants, predominantly located in the Sauerland region. In addition to its main office in Essen, the company also has a presence in Attendorn. The company was founded in 1905 in connection with the construction of the Listertalsperre (1909 to 1912) as a department of the Ruhrtalsperrenverein (RTV). The GmbH itself was only established in 1983 for tax reasons, as a wholly owned subsidiary of the RTV, which is today known as the Ruhrverband. With the progressive electrification of Germany after the First World War, more and more hydropower facilities were built in the area of the Lenne and the upper Ruhr. In 1923 and 1928, the run-of-river power plants Bamenohl and Lenhausen were built, respectively. Further power plant constructions followed, including Ahausen (1938), Sorpetalsperre (1935), Biggetalsperre (1966), and up to the Kemnader Stausee (2011). The transmission network was also expanded, reaching a peak length of over 1,400 km and supplying more than 80,000 customers with electrical energy. In 2013, the grid and sales activities were spun off and merged with those of Stadtwerke Attendorn and Stadtwerke Olpe to form the new BIGGE ENERGIE GmbH & Co. KG. It was among the first five energy suppliers nationwide to offer Naturstrom as a full supply. Since then, LLK GmbH has limited itself to the operational management of the 15 hydropower facilities on the Lenne, Möhne, and Ruhr rivers as well as at the reservoirs of the Ruhrverband, and reduced its workforce from approximately 70 to just 6 employees.

History

Lister- und Lennekraftwerke GmbH (LLK GmbH) is a German electricity generation company that belongs to the Ruhrverband and operates a total of fifteen hydroelectric power plants, predominantly located in the Sauerland region. In addition to its main office in Essen, the company also has a presence in Attendorn. The company was founded in 1905 in connection with the construction of the Listertalsperre (1909 to 1912) as a department of the Ruhrtalsperrenverein (RTV). The GmbH itself was only established in 1983 for tax reasons, as a wholly owned subsidiary of the RTV, which is today known as the Ruhrverband. With the progressive electrification of Germany after the First World War, more and more hydropower facilities were built in the area of the Lenne and the upper Ruhr. In 1923 and 1928, the run-of-river power plants Bamenohl and Lenhausen were built, respectively. Further power plant constructions followed, including Ahausen (1938), Sorpetalsperre (1935), Biggetalsperre (1966), and up to the Kemnader Stausee (2011). The transmission network was also expanded, reaching a peak length of over 1,400 km and supplying more than 80,000 customers with electrical energy. In 2013, the grid and sales activities were spun off and merged with those of Stadtwerke Attendorn and Stadtwerke Olpe to form the new BIGGE ENERGIE GmbH & Co. KG. It was among the first five energy suppliers nationwide to offer Naturstrom as a full supply. Since then, LLK GmbH has limited itself to the operational management of the 15 hydropower facilities on the Lenne, Möhne, and Ruhr rivers as well as at the reservoirs of the Ruhrverband, and reduced its workforce from approximately 70 to just 6 employees.

  • 2013

    Grid and sales activities spun off and merged into BIGGE ENERGIE GmbH & Co. KG; LLK reduced workforce from ~70 to 6 and focused on operating 15 hydropower plants.

  • 2011

    Kemnade storage power plant built at the Kemnader See.

  • 1983

    LLK GmbH established as a wholly owned subsidiary of RTV for tax reasons.

  • 1966

    Bigge storage power plant built at the Biggetalsperre.

  • 1938

    Ahausen storage power plant built.

  • 1935

    Sorpetalsperre pumped-storage power plant built.

  • 1928

    Run-of-river power plant Lenhausen built.

  • 1923

    Run-of-river power plant Bamenohl built.

  • 1909

    Construction of the Listertalsperre begins (completed 1912).

  • 1905

    Founded as a department of the Ruhrtalsperrenverein (RTV) in connection with the construction of the Listertalsperre.

Products and positioning

Hydropower operator and subsidiary of the Ruhrverband, focused on operating reservoirs and run-of-river plants.

  • Speicherkraftwerk Ahausen

    Storage power plant at the Ahauser Stausee.

  • Laufwasserkraftwerk Bamenohl

    Run-of-river power plant.

  • Speicherkraftwerk Bigge

    Storage power plant at the Biggetalsperre.

  • Speicherkraftwerk Ennepe

    Storage power plant at the Ennepetalsperre.

  • Speicherkraftwerk Fürwigge

    Storage power plant at the Fürwiggetalsperre.

  • Laufwasserkraftwerk Hachen

    Run-of-river power plant.

  • Speicherkraftwerk Henne

    Storage power plant at the Hennetalsperre.

  • Speicherkraftwerk Kemnade

    Storage power plant at the Kemnader See.

  • Laufwasserkraftwerk Lenhausen

    Run-of-river power plant.

  • Speicherkraftwerk Lister

    Storage power plant at the Listertalsperre.

  • Speicherkraftwerk Möhne (Hauptkraftwerk)

    Main storage power plant at the Möhnesee.

  • Speicherkraftwerk Möhne (Nebenkraftwerk)

    Auxiliary storage power plant at the equalizing pond of the Möhnesee.

  • Pumpspeicherkraftwerk Sorpe

    Pumped-storage power plant at the Sorpetalsperre.

  • Laufwasserkraftwerk Niederense

    Run-of-river power plant.

  • Speicherkraftwerk Verse

    Storage power plant at the Versetalsperre.

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