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)
Edgewater
Sheboygan, WI
4 1969 31.8% 330 (105)
Columbia
Portage, WI
1
2
1975
1978
31.8%
31.8%
512 (162.8)
511 (162.5)
1023 (325.3)
J.P. Pulliam
Green Bay, WI
7
8
1958
1964
100%
100%
100%
100%
81.6 (81.6)
149.6 (149.6)
231.2 (231.2)
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) = 1428.5 MW

WEC Energy Group