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Alliant Energy


Retirement Set for Wisconsin’s Second-Largest Coal Plant
Columbia-coal-plant-Wisconsin

The Columbia Energy Center, a two-unit 1,100-MW coal-fired station located in Columbia County, Wisconsin, south of Portage, will be permanently retired by the end of 2024.    Alliant Energy, which…


Alliant Closing Coal Unit, Brings Gas Plant Online

Wisconsin-based Alliant Energy on May 22 said it would retire the coal-fired Edgewater Generating Station in Sheboygan by year-end 2022, an announcement coming just one week after the utility said…


Alliant Announces Plan for 1 GW of Solar in Wisconsin

Wisconsin-based Alliant Energy has announced a plan to add 1 GW of solar power generation to its portfolio by 2023. The company on Oct. 31 in its “Powering What’s Next…


Duane Arnold Nuclear Plant Will Close in 2020
Duane-Arnold-nuclear-power-plant

NextEra Energy Resources, the wholesale power generating subsidiary of Florida-based NextEra Energy Inc., announced it has struck a deal to shorten its power purchase agreement (PPA) with Alliant Energy and…


Communication Was Essential to Alliant Energy's Successful Handling of Emissions Monitoring

When Prairie Creek Generating Station experienced a change in the one-hour SO2 standard, plus a change in monitor location, it faced the possibility that plant operation—and steam customers—might experience negative…