Gunggl Run-of-River Power Plant

VERBUND's power plant Gunggl is a run-of-the-river plant situated on the river Gungglbach in the municipality of Gnadenwald in Tyrol.

Man in the kitchen

1,620 households

supplies the Gunggl power plant

Conscious of the environment

5,410 avoided
tonnes of CO2*


Technical Description 

The Gunggl power plant was constructed from 1986 to 1990. Following a few test runs, small rips in the penstock became evident, which were caused by the high energy flow of the water. In order to prevent this, a pressure reducing valve to dissipate energy was built in. A Francis spiral turbine and a volute casing pump together generate on average a yearly output of around 7 GWh.

Image from the Location

Owner VERBUND Hydro Power GmbH
Operator VERBUND Hydro Power GmbH
Commissioning 1992
Type Run-of-river power plant
Country Austria
Region Tyrol
Waters Gungglbach
Output 04 MW
Annual output 7,286 MWh
Turbine Kaplan
Connectivity No fish bypass

Due to strong seasonal fluctuations in the water inflow, two different sets of machinery were installed: a Francis spiral turbine with horizontal shaft coupled to a generator with a rated output of 3,100 kW, and a spiral casing pump in turbine operation with a horizontal shaft, also coupled to a generator with a rated output of 860 kW.