Investor-owned utilities will need to disclose when they operate power plants despite low wholesale market prices.
Westar says buying the remaining share of the plant was the cheapest way to resolve a dispute with its former owner.
Interstate Power and Light could also boost its profits by investing in wind, says a study commissioned by clean energy nonprofits.
Seven years after the closure of the Crawford coal plant in Chicago’s Little Village neighborhood, the site is still a lightning rod for neighborhood activism and outrage.
State officials used a federal grant to draw up plans that lay out redevelopment options for retired coal plants.