Officials are looking to install 9,300 panels on the roofs of buildings at the Noblesville facility.
So far Holcomb has refused to detail what action he'll take. He says he is "still reviewing" them.
Hillary Clinton clinches the Democratic nomination - how are Indiana delegates reacting and what do young girls think about the historic occasion?
If approved, it would be Duke's largest solar facility in Indiana.
A bill approved Wednesday in a House committee would allow utilities to charge future alternative energy customers a fee.
The Indianapolis International Airport will soon be home to the largest airport-based solar farm in the world, with the addition of panels that track the sun.
This week the Environmental Protection Agency unveiled a new set of proposed regulations for existing coal-fired power plants.
The second phase of a solar farm at the Indianapolis Airport is months behind schedule.
Solar Zentrum submitted a proposal to Duke Energy to build a solar farm in Bloomington.
The library is issuing a $700,000 bond to install the solar panels in hopes of eliminating the facility's electricity costs.