VERBUND’s Friesach power plant is a run-of-river power plant on the River Mur, situated in the municipality of Deutschfeistritz in Styria.
The power plant was built between 1995 and 1998. As the power plant was built in the dry construction method, a new riverbed had to be created above and below the power plant. Two Kaplan spiral turbines generate an annual average of approx. 60 GWh of electricity.
Owner: VERBUND Hydro Power GmbH
Operator: VERBUND Hydro Power GmbH
Commissioning: 1998
Type: Laufkraftwerk
Country: Österreich
Region: Steiermark
Watersr: Mur
Output: 12 MW
Annual Output: 60560 MWh
Turbine: Kaplan
Connectivity: Fischwanderhilfe
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Turbines and generators: The lower-pressure run-of-river power plant generates approx. 64 GWh of electricity annually with its two machine sets. Each machine set consists of a horizontally installed Kaplan bulb turbine with an impeller diameter of 3.85 metres and a synchronous generator with an output of 8,500 kVA.
Transformers: The plant has a block transformer for raising the generated energy from 6.3 kV to 110 kV.
Weir system: The three weir fields are controlled by means of hydraulically operated pressure segment gates with weir flap.
Sorry, no hits were found.
Sorry, no hits were found.
The construction of the Friesach power plant between 1995 and 1998 also involved the integration of a fish bypass. The fish bypass was designed as a near-natural pond pass with a length of 620 metres and a total of 48 ponds. It enables a height difference of 9.8 metres to be overcome. The fish bypasses of VERBUND are constantly being checked. A monitoring programme in 2008 revealed that many different types of aquatic lifeforms use this facility: about 23 species of fish and jawless fish were observed migrating from the headrace to the tailrace.
