Dive Summary:

• Alliant Energy Corp. is seeking approval from the Wisconsin Public Service Commission to upgrade the Columbia Energy Center in a $130 million project the utility claims will pay for itself in five years
• Alliant hopes to replace the two steam turbines and 12 coal pulverizers at the 35-year-old coal plant in an effort to improve energy efficiency and deliver more generation capacity.
• This project is one of several in a $627 million plan to install scrubbers to curtail pollution at the plant.

From the article:

“As part of a settlement of allegations that it violated the Clean Air Act, Alliant will also seek state approval next year to build a second pollution control system, at a cost of more than $200 million.”