VERBUND’s Bodendorf-Mur power plant is a run-of-river power plant situated on River Mur in the municipal area of St. Georgen ob Murau in Styria.
*Source: ENTSO-E Production 2017
It was built between 1979 and 1982. The low pressure stage on the Mur is housed together with the medium pressure stage on the Paalbach, Turrachbach and Minibach in a single power house in Bodendorf. In 2007, the control room was redesigned and the control systems and machine automation. On average, a five-blade Kaplan spiral turbine generates about 34 GWh of electricity annually.
Owner: VERBUND Hydro Power GmbH
Operator: VERBUND Hydro Power GmbH
Commissioning: 1982
Type: Run-of-river power plant
Country: Austria
Region: Styria
Waters: Mur
Output: 07 MW
Annual output: 33,295 MWh
Turbine: Kaplan
Connectivity: Fish bypass is in the planning process
Turbines and generators: The five-blade Kaplan spiral turbine with 15 impeller blades and 20 guide blades and an impeller diameter of 2.7 metres has a nominal output of 7,000 kW at a speed of 214.3 rpm. The turbine is directly coupled to an 8,500 kVA three-phase synchronous generator. The waste heat of the generator can be used in winter to heat the powerhouse.
Transformers: The energy obtained is raised to 30 kV by an 8,500 kVA machine transformer and transmitted via 30 kV lines to Teufenbach, St. Georgen and Predlitz. For the in-house needs of the entire plant (Mur and Paal), two 400 kVA transformers are available to convert between the 35 kV and 0.4 kV levels.
Weir system: Welded steel pressure segments with weir flaps close the two 11.5 metre-wide weir fields and have a closing height of 8.5 metres. The moving parts are controlled oil-hydraulically by two pull cylinders for raising the segments and a central push cylinder for lowering the flaps.
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Ecology & environmental protection
A fish bypass for the Bodendorf-Mur power plant is currently being planned.
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.
