Sauerbrunn Hydro Project

Großsulz, Austria
Project Stats
Turbine Supply:
Natel Energy
Project Developer:
Energie Steiermark
15 kW
1.9 m (6 ft)
Number of RHT Units:
RHT Unit Diameter:
.62 m (2 ft)
RHT Unit Type:
Commission Date:
October 2022

The first fully-submersible Restoration Hydro Turbine (RHT) was installed for Austrian utility company Energie Steiermark in the fall of 2022 and is now fully operational. We’re delighted to have the FishSafe™ RHT be a part of the continuum of Austria’s rich history of hydropower innovation.

The Sauerbrunn Hydro Project is located on the Mühlgang, a small tributary to the River Mur near Graz, Austria. The site is adjacent to an existing bypass channel, which returns the flow from the Mühlgang to the River Mur. Flow enters the project directly from the canal through a trash rack and slide gate. The Sauerbrunn Hydro Project provides a modern, fish-safe source of renewable power to homes in the community of Großsulz.

Watch the install below: