California’s state tax structure had this magnitude of rebate, but starting in January, all 50 states will have this kind of discount available.
Take a look at the site below. There’s a link under Personal Tax Credit, Residential Renewable Energy Tax Credit. Also, if you go back to the home page, you can select Ohio and see that there are a number of grants already active in your state.
References :
http://www.dsireusa.org/library/includes/genericfederal.cfm?CurrentPageID=1&state=us&ee=1&re=1