US Federal Incentives for Solar, Wind, Renewable Energy & Energy Efficiency
There are several financial incentives and measures to stimulate energy efficiency and solar, wind and other renewable energy development, manufacturing, installation and operation in the United States.
Federal Tax Credits for Solar Electric (PV), Solar Water heating, Wind and other Energy Efficiency systems: The Residential Energy Efficient Property Credit is a nonrefundable energy tax credit to help individual taxpayers pay for qualified residential alternative energy equipment, such as solar electric (PV) systems, solar hot water heaters, geothermal heat pumps and wind turbines. The Investment Tax Credit (ITC) is for non-residential (corporate) investments. The tax credit is equal to 30 percent of the cost of qualified property.
Residential Energy Credits: [PDF] IRS Form 5695 & Instructions
Corporate Investment Tax Credit: [PDF] IRS Form 3468 & Instructions
Note: If you recive a rebate from a Utility (non-public funds) then you may need to subtract the rebate amount from the system cost (to attain "net cost") to determine the cost basis for the Investment Tax Credit.
Source EnergyStar.gov: Top Ten Frequently Asked Questions