Sils is a 248MW hydro power project. It is located on Sil river/basin in Graubunden, Switzerland. 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. Buy the profile here.


The project was developed by Kraftwerke Hinterrhein. Axpo Power, Electricite de France, Alpiq Holding, BKW, Repower and IWB Renewable Power are currently owning the project having ownership stake of 19.5%, 19.43%, 9.28%, 7.72%, 6.5% and 2.5% respectively.

The hydro reservoir capacity is 200 million cubic meter. The net head of the project is 413m. The project generated 646 GWh of electricity.

Contractors involved

Alstom Grid was selected to render engineering procurement construction services for the hydro power project.

Voith Hydro Holding was selected as the turbine supplier for the hydro power project. The company provided 4 units of francis turbines, each with 62MW nameplate capacity.

Voith Hydro Holding supplied 4 electric generators for the project.

For more details on Sils, buy the profile here.

About Kraftwerke Hinterrhein

Kraftwerke Hinterrhein AG (Kraftwerke Hinterrhein) is a power generation company that produces and distributes electricity. The company operates the hydro power plant combination in the canton of Grisons. Its processes water for the plants of KHR is taken at catchment area from runoff in water catchments, reservoirs, catch basin, and balancing reservoir, among others. Kraftwerke Hinterrhein operates through dams such as Valle di Lei reservoir, balancing reservoir Ferrera, dam Sufers and balancing reservoir Barenburg. The company developed project with a head storage in the Italian Valle di Lei. Kraftwerke Hinterrhein is headquartered in Thusis, Switzerland.


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.