The Prunéřov Coal Power Station is a largest coal-fired power station in the Czech Republic with installed capacity of 1,490 MW. It is located near Kadaň.

According to the study Dirty Thirty, issued in May 2007 by the WWF, Prunéřov Coal Power Station is the twelfth-worst power station in Europe in terms of the relation of energy efficiency to carbon dioxide (CO₂) emissions. Power station is largest single source of CO₂ in Czech Republic. In 2008 it emitted 9,210 millions of metric tons of CO₂. Unit 2 (EPRU II) of Prunéřov power station has a 300-metre (980 ft) tall flue gas stack.

CEZ announced plan to modernize unit 2. This plan was challenged by Micronesia on the grounds that the expansion of the power station has impact to the climate and through this to the environment of Micronesia. According Czech environment ministry that modernization plan do not include best available technology. On January 26 2010 Czech minister of the Environment Jan Dusík (Green Party member) informed he was calling in international experts to carry out an environmental impact assessment of plans to modernize the power station. In March he publicly released the report from Det Norske Veritas, that proved lack of best available technology in the CEZ plan EIA. Shortly after Minister Dusík resigned, while claiming he was under pressure from prime minister Jan Fischer to approve CEZ plan EIA. As result Green party also withdrew his second minister from government. After short led by Minister of Agriculture Jakub Šebesta former CEZ employee Rút Bízková was appointed as Minister of the Environment and after two weeks in office he approved CEZ plan EIA in April.