Laufnitzdorf Run-of-River Power Plant

VERBUND's power plant at Laufnitzdorf is a run-of-river plant situated on the river Mur and in the municipality of Frohnleiten in Styria.

* Source: ENTSO-E Production 2017

The power plant was completed in 1931 and has been supplying the surrounding region with valuable hydropower ever since. Annual generation amounts to 113 GWh.

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Image from the Location

Owner VERBUND Hydro Power GmbH
Operator VERBUND Hydro Power GmbH
Commissioning 1931
Type Run-of-river power plant
Country Austria
Region Styria
Waters Mur
Output 18 MW
Annual output 112,537 MWh
Turbine Kaplan
Connectivity Fish bypass
Environmental protection at VERBUND

Fish bypass:
The fish bypass has been in operation at the “Mixnitz” weir of the run-of-river power plant since 2006. It consists of a combination of technical structure with a near-natural pond pass. In total, the fish bypass is 230 metres long and overcomes the 9 metres difference in height.

In order to guarantee the ecological function of the drainage channel and year-round passability for all native organisms, the residual water discharge was increased in 2015.

Responsible treatment of the environment
Fish bypass

Weir system: The weir system is located in Mixnitz, a few kilometres upstream of Laufnitzdorf. An approx. 7 km-long channel parallel to the Mur runs from there and carries the water to the turbines in the powerhouse. An underwater trench below the Laufnitzdorf power plant leads the water back into the Mur after approx. 200 metres.

Surge chamber: The surge chamber is connected to the powerhouse via two pressure pipes.

Hydro consulting from VERBUND