Make sure you've entered ALL your income first.
If your taxable income is already a zero, before considering the solar energy credit, then zero $$ can be used this year, For solar credits, any unused credit will carry over to next year.
You might need to take a look at the actual lines on your form 5695
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
