Witznau is a 220MW hydro power project. It is located on Rhine river/basin in Baden-Wurttemberg, Germany. The project is currently active. It has been developed in single phase. The project construction commenced in 1939 and subsequently entered into commercial operation in 1943.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 220 220 Active Baden-Wurttemberg, Germany Schluchseewerk


The project was developed by Schluchseewerk. RWE Power, EnBW Energie Baden-Wurttemberg, Energiedienst and Energiedienst Holding are currently owning the project having ownership stake of 50%, 37.5%, 7.5% and 5% respectively.

Witznau is a pumped storage project. The hydro reservoir capacity is 1.35 million cubic meter. The gross head of the project is 250m. The project generated 230 GWh of electricity.

Development Status

The project construction commenced in 1939 and subsequently entered into commercial operation in 1943.

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Contractors Involved

The turbines for the hydro power project have been supplied by Andritz Hydro and Voith Hydro Holding.

GE Renewable Energy supplied 2 electric generators for the project. The generator capacity is 75 MVA.

Schluchseewerk is the O&M contractor for the hydro power project.

About Schluchseewerk

Schluchseewerk AG (Schluchseewerk) is a hydro power plant operator. The company generates and transmits hydro power. Schluchseewerk owns and operates pumped storage hydroelectric power plants with a set of machines, which provide output of 1,604 MW in pump operation and 1,836 MW in turbine operation. The company also owns and manages storage tanks. Schluchseewerk offers revised workshop with the technology and large machines. The company operates various power plants including Witznau power plant, Power plant Sackingen, Power Station Weir, Kraftwerk Waldshut and Switchgear Kuhmoos. Schluchseewerk is headquartered in Laufenburg, Baden-Wurttemberg, Germany.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.