Retznei Run-of-River Power Plant

VERBUND's Retznei power plant is a run-of-river plant situated on the river Sulm and in the municipality of Retznei in Styria.

*Source: ENTSO-E Production 2017

The Retznei run-of-river power plant was built between 1991 and 1992. The power plant generates around 4 GWh of electricity per year and can therefore supply about 850 households in the region with environmentally friendly electricity produced from hydropower.
Turbines and generators: The double adjustable Kaplan axial turbine with bevel gearbox generates a nominal output of 900 kW. The three-phase synchronous generator has a nominal output of 1,200 kVA, the transformer a nominal output of 1,250 kVA.

Weir system: The weir gate has a “fish belly flap gate” mounted on the reinforced concrete structure which can be raised and lowered by hydraulic drive units.