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 original version of the bill aimed to keep coal plants open until Indiana could come up with a statewide energy plan. But the current version only requires utilities to note planned coal plant closures in their long-term energy plans.

A state Senate committee gutted language in a controversial coal bill on Thursday. The bill aimed to keep coal plants open until Indiana can develop a statewide energy plan.

The Indiana NAACP says keeping coal plants open longer would negatively affect the health of low-income and minority communities in the state.

An administrative law judge ruled Indianas environmental agency broke its own public comment rules when it issued an air pollution permit for a planned $2.5 billion coal-to-diesel plant in Spencer County.

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.

The bill's author says utilities are relying more and more on renewable energy sources and the energy marketplace -- and that could threaten reliability.

Bloomington-based Hoosier Energy said it will idle the coal-fired Merom Generating Station in Sullivan County as part of a transition to other energy sources including wind, solar, natural gas and storage.

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.

Gibson County Coal filed a notice Friday. The layoffs are effective Jan. 15.