Columbia Energy Center

Columbia Energy Center
Coal ash pond landfill in the foreground
CountryUnited States
LocationDekorra, south of Portage, Wisconsin
Coordinates43°29′10″N 89°25′13″W / 43.48611°N 89.42028°W / 43.48611; -89.42028
StatusActive, under construction
Commission date1975–1978
OwnersWisconsin Power and Light Company (46.2%), Wisconsin Public Service (31.8%), Madison Gas and Electric (22%)
Thermal power station
Primary fuelCoal
Cooling sourceLake Columbia
Power generation
Nameplate capacity1023 MW
Capacity factor46.99% (2023)
Annual net output4211 GWh (2023)
External links
CommonsRelated media on Commons

Columbia Energy Center is a base load, sub-bituminous coal-fired, electrical power station located south of Portage in the Town of Pacific, Columbia County, Wisconsin. Ownership is 46.2% Wisconsin Power and Light Company (Alliant Energy), 31.8% Wisconsin Public Service (Integrys Energy Group), and 22% Madison Gas and Electric (MGE).