Coal-fired power plants burn coal to produce heat. A boiler uses that heat to convert water into steam. The steam, at high pressure, flows from the boiler to a turbine-generator, where the steam spins a turbine. The spinning turbine is connected to a generator, which produces electricity.

How a coal-fired power plant works

Coal-fired power plants

Coal-fired Power Plant Units First Year of Ownership WPS Ownership Total MW (WPS MW)
Columbia
Portage, WI
1
2
1975
1978
31.8%
31.8%
512 (162.8)
511 (162.5)
1023 (325.3)
Weston
Rothschild, WI
3
4
1981
2008
100%
70%
350.5 (350.5)
595 (416.5)
945.5 (767)
    Total WPS coal-fired capacity (nameplate rating) = 1092.3 MW

WEC Energy Group