One of the main byproducts of burning coal, power companies usually store coal ash on site in largely unregulated ponds and pits.
There are 74 ponds that contain coal ash, a byproduct of coal fired power plants in Indiana, which is more than any other state in the country.
Solar Zentrum submitted a proposal to Duke Energy to build a solar farm in Bloomington.
Duke Energy is seeking proposals from companies that want to supply it with solar energy in order to fulfill a legal settlement Duke made last year.
The winter storm has left thousands without power around the state, but the number of outages is dropping.
More than 15,000 Hoosiers are without power after heavy snowfall and subzero temperatures hit the state.
Almost 40,000 homes in Indiana are without power after temperatures dropped below zero and several inches of snow fell throughout the state.
The number of homes without power is slowly decreasing, but several counties still report thousands of homes still in the dark.
Close to 11,000 Indiana residents lost power during severe weather Thursday night, including wind guests over 70 mph and tornado watches.
The Environmental Protection Agency says the standards will help combat climate change, but Governor Mike Pence says the proposal could hurt Indiana's economy.