Solar power in Indiana

Solar power in Indiana has been growing in recent years due to new technological improvements and a variety of regulatory actions and financial incentives, particularly a 30% federal tax credit for any size project.

[1] In 2015, Indiana ranked 18th among U.S. states for installed solar power with 136 MW of photovoltaic panels.

[8] The Mammoth Solar project in Northwest Indiana broke ground in October 2021, and when complete it will be the largest solar project in the United States, with more than 2.8 million panels producing more than 1 gigawatt of power.

[11] The Government of Indiana has taken a variety of actions in order to encourage solar energy use within the state.

Payments are for 15 years, participation is limited, and one third of the program, 45,900 MWh/year, will be made available through a reverse auction.