District heating power plant Mellach

The VERBUND district heating power plant Mellach is situated in the municipality of Mellach in Styria. Austria’s last coal-fired power plant produced electricity and heat for the Styrian provincial capital Graz for 34 years and can in future be used for short periods with natural gas as a fuel to support the national electricity grid.

The VERBUND district heating power plant in Mellach

Ready to spring into action when sun and wind plants

drop out due to the weather.

high is the free-standing stack of the district heating power plant

Ecology

Certified in accordance with ISO14001

The district heating plant is equipped with a 246 MW cogeneration system and supplies the city of Graz with valuable district heating.

Image from the Location

We heat Graz – winter deployment for Mellach

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Owner VERBUND Thermal Power GmbH & Co KG in Liqu.
Operator VERBUND Thermal Power GmbH & Co KG in Liqu.
Commissioning 1986
Type Thermal power plant
Country Austria
Region Styria
Output 246 MW
LIFE+ Network Danube Nase © Gerhard Pock

Ecology & environmental protection

The Mellach district heating power plant and the Mellach combined cycle gas turbine power plant on the same site are certified to EMAS and ISO 14001.
Responsible treatment of the environment
The power plant consists of the machine and boiler house, the flue gas cleaning plant, the flue gas desulphurisation plant and a plant for removing dust. The power plant is cooled using water from the river Mur.

The Mellach district heating power plant is equipped with a cogeneration system: A portion of the steam is taken from the turbine and passed to a heat exchanger, where the steam condenses and gives off its energy. This increases the total amount of energy produced from about 40% to as much as 68%. The power plant is put into operation each year from September to May and supplies up to 225 MW of electricity and 230 MW of district heating. Coal as well as natural gas are used as fuels.