MidAmerican’s and Alliant Energy’s 2013 Residential Rebate programs can be a source of financial assistance. If your house is served by other utilities, check with your current utility provider.
You can also find additional information at the following websites:
Database of State Incentives for Renewables and Efficiency (DSIRE):
Internal Revenue Service:
The Alliance to Save Energy:
The Tax Incentives Assistance Project (TIAP):