Danube power plant Greifenstein with dam

Danube power plant Greifenstein with dam and lock

Greifenstein Run-of-River Power Plant

VERBUND’s Greifenstein power plant is a run-of-river power plant on the Danube, situated in the municipality of Stockerau in Lower Austria.

The Greifenstein power plant was built between 1981 and 1985. Nine horizontal Kaplan bulb turbines generate an annual average of approx. 1,753 GWh of electricity. The "Giessgang" created during construction of the power plant remains a milestone in the ecological design of power plants. The Greifenstein fish bypass was opened in 2018 and, as a natural bypass stream, offers freedom from barriers and a habitat for fish and other aquatic lifeforms.

Power plant bridge closed

Due to urgent repair work, the bridge of the VERBUND Danube power plant Greifenstein is anticipated to remain closed until 15 December 2023. Water damage on the carriageway of the Danube power plant Greifenstein requires urgent repair. VERBUND regrets the need to completely close the Danube crossing for this. The work will be carried out as quickly as possible. We apologise for the inconvenience.

To the press release

Visit to turbine no. 8 in Greifenstein

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View into a loop of the near-natural accompanying stream

LIFE+ Network Danube

As part of the EU-funded LIFE+ Network Danube project, the Greifenstein power plant was equipped with a 4 kilometre-long fish pass. The natural river winds its way around the power plant and connects the habitats along the Danube.

Greifenstein fish pass

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Owner	VERBUND Hydro Power GmbH
Operator	VERBUND Hydro Power GmbH
Commissioning	1985
Type	Run-of-river power plant
Country	Austria
Region	Lower Austria
Waters	Danube
Output	293 MW
Annual output	1,752,805 MWh
Turbine	Kaplan
Connectivity	Fish bypass

Bypass stream at Greifenstein power plant with weir

The Danube power plant Greifenstein will be equipped with a new fish bypass in the course of the EU LIFE+ project “Network Danube”. A near-natural stream will help the fish to traverse the 10 metre-high barrier of the Danube power plant. Necessary for this is a 4.4 kilometre-long channel that bypasses the existing, ecologically valuable areas.

The removal of barriers to fish is just one of the goals in the “LIFE+ Network Danube” project. The main objective is the connection of existing, ecologically healthy areas as well as land restoration projects. The Greifenstein fish bypass lies in the European conservation area “Tullnerfelder Donau-Auen”, the biggest continuous wetland area in Austria.

Visit to the Greifenstein fish bypass

Turbines and generators: Nine horizontally installed Kaplan bulb turbine with an average head of 12.6 metres have a bottleneck capacity of 293,000 kW.

Weir system: Six hydraulically controllable pressure segments with flap gate on top close the weir system. The Greifenstein power plant was built between 1981 and 1985 in the dry construction method and co-financed by EVN and Wien Strom GmbH.