4.2 If you placed in service before the 2025 deadline

File on IRS Form 5695 for the tax year of interconnection.
The credit = 30% of all reasonable system costs (equipment, labor, sales tax, permit fees, and structural reinforcement directly related to the install).
If your federal tax liability for that year isn't enough to absorb the credit, the excess carries forward — but only if you were placed in service before 2025-12-31.
The credit has no income cap, but you must have federal tax liability to apply it against.
You must own the system (Cash or Loan both qualify; Lease / PPA homeowners do not).

4.1 §25D Residential Clean Energy Credit — terminated

4.3 Lease / PPA still has a workaround — but it's not for you

Next Step

Questions after reading this section? Send us your utility bill — we will come back within one business day with a recommendation specific to your situation.