The Williams Dam was originally built as a hydroelectric dam in 1910 but was decommissioned in the 1950s.
The "Stalk Stoker" converts biomass into energy using a system four times more efficient than traditional technology.
Indiana ranked 7th in the nation for coal production in 2010, according to the U.S. Energy Information Administration.
If it’s not renewed, companies that own those farms will have to pay more in corporate income taxes.
County officials say they’ll have to take some risks if they agree to the tax break.
A bill on its way to the Indiana House would mandate that 10 percent of Indiana power come from renewable sources by 2020.