Vectren hopes to retire three of its coal units in 2023. Instead of building a large natural gas plant as the company had originally intended, more than 60 percent of its energy mix will be solar, wind, and battery storage.

Duke Energy hopes to double its renewable energy sources within five years. But it also plans to keep some coal plants running for two more decades and add natural gas pipelines.

The fuel produced at Indy High BTU plant is expected to reduce greenhouse gas emissions comparable to 19,000 passenger cars each year on the road.

A bill that would make it harder for utilities to close coal plants in Indiana passed in the state House on Monday 52 to 41.

Indiana environmentalists held a rally and met with lawmakers on Tuesday to demand better renewable energy policies in the state.

Indianapolis Power & Light plans to close two of its four coal units at its Petersburg plant by 2023. But environmentalists say IPL needs to move away from coal more quickly.

The Great Lakes region is the best place in the U.S. to put renewable energy sources to get the most health benefits, according to a new study from the Harvard T.H. Chan School of Public Health.

The Energy Policy Development Task Force met Thursday, for the final time this year, and debated ways to balance the use of coal and renewable energy sources.

Experts say half of Indiana's coal plants are 40 years old or more and will need expensive repairs in the next 30 years.

The Petersburg Generating Station activists want to see closed is a coal-fired power plant in southwest Indiana. It's been in the news as what's called a "super polluter."