Kopswerk II is a 525MW hydro power project. It is located on Ill river/basin in Vorarlberg, Austria. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in a single phase. The project construction commenced in 2004 and subsequently entered into commercial operation in 2008. Buy the profile here.


The project was developed by EnBW Energie Baden-Wurttemberg and Vorarlberger Illwerke. The project is currently owned by Vorarlberger Illwerke.

Kopswerk II is a pumped storage project. The gross head of the project is 818m. The penstock length is 1,200m. The penstock diameter is 3.8m. The project generated 614 GWh of electricity. The project cost is $568m.

Development status

The project construction commenced in 2004 and subsequently entered into commercial operation in 2008.

Contractors involved

Andritz Hydro was selected as the turbine supplier for the hydro power project. The company provided 3 units of pelton turbines, each with 180MW nameplate capacity.

Andritz Hydro supplied 3 electric generators for the project. The generator capacity is 200 MVA.

For more details on Kopswerk II, buy the profile here.

About EnBW Energie Baden-Wurttemberg

EnBW Energie Baden-Wurttemberg AG (EnBW) is an integrated energy utility. Through its subsidiaries, the company generates electricity and thermal energy; transmits and distributes, and trades electric energy and natural gas; and provides energy-related services. It produces electricity using hydro, nuclear, coal, natural gas, wind and solar sources. EnBW markets its offerings under the EnBW, Yello, NaturEnergiePlus, VNG, goldgas, GVS, PRE, Stadtwerke Dusseldorf, Erdgas Sudwest, ODR and ZEAG brands. The company also supplies water to its group entities. It serves retail, commercial, housing and agriculture sectors, redistributors, industrial customers, local authorities, municipal utilities and public entities in Germany and Europe. EnBW is headquartered in Karlsruhe, Baden-Wurttemberg, Germany.

About Vorarlberger Illwerke

Vorarlberger Illwerke AG (Vorarlberger Illwerke) is a producer of peak and control energy. The company operates hydroelectric power plants such as Kopswerk I, Kopswerk II, Latschauwerk, Lunerseewerk, Obervermuntwerk I, Rifawerk, Rodundwerk I, Rodundwerk II, Vermuntwerk, Rellswerk and Walgauwerk. It also operates alpine storage and pumped storage power plants such as the Obere lll. Vorarlberger Illwerke owns and operates 380 kV, 220 kV and 110 kV power plant direct lines and switchgear and substations. It serves residential, commercial and industrial customers across Austria. Vorarlberger Illwerke is headquartered in Bregenz, Austria.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.