Sölk Storage Power Plant

VERBUND's power plant of Sölk is a storage power plant and situated east of the town of Stein in the municipality of Großsölk in Styria. It was constructed from 1975 until 1978.

*Source: ENTSO-E Production 2017

The Sölktäler, with their large catchment areas and high annual water loads, made the construction of a hydropower plant particularly economical. At a geological site also favourable for its terrain, a daily storage was constructed in the Großsölktal which terminates in a 39 metre-tall vaulted wall. The water from the Kleinsölkbach, the Donnersbach and the Walchenbach is fed into the reservoir. These water volumes are used for electricity generation by a Francis turbine in the Stein power house. On average, around 47,500 households can be supplied each year with electricity generated entirely from hydropower.

Technical data:

Owner: VERBUND Hydro Power GmbH
Operating company: VERBUND Hydro Power GmbH                                 
Beginning of operation: 1978
Type:  Storage
Country, State: Austria, Styria
Waters: Großsölkbach
Capacity: 61 MW
Annual generation: 209,986 MWh
Turbines: Francis 
Fish bypass: no