Ramsaubach Run-of-River Power Plant

VERBUND's Ramsaubach power plant is a run-of-river plant situated on the river Ramsaubach and south of the town of Eisenerz in Styria.

The Ramsaubach power plant was built between 1983 and 1985 and, after the Erzbach small power plant, is the second plant of Eisenerzer Kleinwasserkraftwerksges.m.b.H. (EKG). A Pelton turbine with directly coupled alternating current synchronous generator generates approximately 4 GWh of electricity annually.
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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 Styria
Waters Ramsaubach, Enns
Output 01 MW
Annual output 4,007 MWh
Turbine Pelton
Connectivity No fish bypass
Environmental protection at VERBUND

Ecology & environmental protection

A fish bypass will not be implemented at the VERBUND power plant Ramsaubach as this would not be of any added ecological value. 

The entire plant group of the Styrian hydropower plants has been awarded the environmental certificate ISO 14001. The power plants on the rivers Mur and Enns not only fulfil the statutory requirements but also focus on high environmental standards and technical innovations. The goal is the efficient use of hydropower and the balance between economy and ecology. The effectiveness and benefit of the environmental management system are mainly the responsibility of our employees, who undergo constant training and development in this area.

Wherever ecologically valuable and technically feasible, VERBUND has set itself the goal of guaranteeing the continuity of flow for domestic fish and aquatic life at the locations of its hydropower plants. By 2025, VERBUND will invest 280 million euros on the implementation of fish bypasses and other ecological structural measures.

Our latest conservation projects
Turbines and generators: A two-jet Pelton turbine with a nominal output of 800 kW was installed in 1985. The directly coupled 1,000 kVA three-phase synchronous generator has a nominal voltage of 400 kV. 

Transformers: The generated energy is raised by a 1,000 kVA machine transformer (built in 1984) from 0.4 kV to 10 kV and fed into the 10 kV grid of STEWEAG. The power plant’s own requirements are met by a 30 kVA isolating transformer.

Weir system: The single weir field across the river is equipped with a pressure segment with weir flap. The segment is raised by pull cylinders arranged at both ends. The weir flap can be moved by a centrally arranged push cylinder. The prescribed minimum instream flow rate of 81.6 l/sec. is discharged into the tailwater via a specially installed instream line.

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