Gstatterboden Run-of-River Power Plant

VERBUND's power plant of Gstatterboden is a run-of-river plant situated on the river Enns and located in the municipality of Wenig im Gesäuse in Styria.

The Gstatterboden power plant was built between 1953 and 1955 and is located on the Gstatterboden weir system of the Hieflau power plant. The Wag reservoir was added between 1960 and 1963. A second headrace tunnel was added to the power plant in 2010. The power plant generates 6.9 GWh of electricity from 100% hydropower and supplies the surrounding homes with environmentally friendly energy.
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Owner VERBUND Hydro Power GmbH
Operator VERBUND Hydro Power GmbH
Commissioning 2009
Type Run-of-river power plant
Country Austria
Region Styria
Waters Enns
Output 02 MW
Annual output 6,934 MWh
Turbine Kaplan
Connectivity Fish bypass
Environmental protection at VERBUND

Ecology & environmental protection

The Gstatterboden weir system was equipped with a fish bypass in 2010. The approximately 270 metre-long fish bypass overcomes a height difference of 10.9 metres with a vertical slot passage and a subsequent near-natural bypass channel. The dimensions of the fish bypass were adapted to the size-determining species, the Danube salmon.
Environmental protection at VERBUND
Turbine: The power plant is equipped with a Kaplan turbine and has an output of 4.8 MW.

Weir system: The three 12.0 metre-wide and 9.5 metre-high fields of the weir system are equipped with riveted pressure segments with flap gates on top.