EPA provides tax credits and incentives for various projects involving efficiency and efficiency measures for both consumers, home-owners and businesses. These are provided by the Energy Policy Act of 2005.
Homeowners and Home Builders
Tax Credits for Appliance Manufacturers
Tax Deductions for Commercial Buildings
Federal Income Tax Credits exist for the installation of alternative fuel systems. The infrastructure development provision was part of the 2005 Energy Policy Act and provides a 30% federal income tax credit, up to $30,000 per property, to install alternative fuel dispensing systems.
The Indiana Department of Revenue provides the forms for E85 and Biodiesel tax credits.
Indiana offers a state property tax deduction for the installation of geothermal technologies. A form is required that is available here (look for the DLGF section "Deduction Forms" at the bottom of the page). For more information please contact your county tax office, or the Indiana Department of Local Government Finance, http://www.in.gov/dlgf.
Property tax exemption information for the installation of solar and wind technologies can be found by contacting your local county auditor or county assessor.
Additional tax credit programs can be found by visiting the Indiana Economic Development Corporation.