Once complete, the 44,000 solar panels will generate enough energy to power more than 2,000 homes.
The Columbus and Monroe County airports are set to close in June and September, but officials hope they may still be spared.
Columbus Municipal Airport officials say they are still trying to find ways to avoid a shutdown of the airport's control tower.
Members of the Monroe County Aviation Board met Tuesday to discuss how they could avoid shutting down the airport's control tower.
Construction has begun on a 75-acre solar farm at the Indianapolis International Airport after two years of planning.
Airport managers say they do not know if they will be required to have controlled towers for corporate jets or charter airliners to land.
Airport officials say crews are working to keep the runways clear and airplanes free of ice.
TSA says it will no longer require children under 12 or adults over 75 to take off their shoes.
But economic experts say the report may overstate the benefits the aviation industry brings to the state.
Passengers using major airlines at the Indianapolis airport can be pre-screened to shorten wait times in security.