The federal solar tax credit, officially known as the Investment Tax Credit (ITC) , was increased in August from 26% to 30% and remains in effect thru 2034. If you own your home (or have a mortgage) you could qualify to receive a tax credit equaling almost 1/3 of your cost to go solar. For example, if your solar system costs $20,000 your tax credit would be $6,000. And if you owe $3,000 in federal taxes you could use it to reduce your taxes to $0. Plus, the unused portion of