Public Law 119-21 §70506(a), enacted July 4, 2025, amended IRC §25D so the Residential Clean Energy Credit does not apply to expenditures made after December 31, 2025. The IRS repeats that rule in FS-2025-05, updated August 21, 2025. This is an expenditure-timing boundary; an installation, contract, or quote date alone is not a substitute for the statutory test.
Qualifying expenditures from 2025
The IRS timing FAQ says a taxpayer who incurred qualifying expenses during taxable year 2025 may claim the credit on the 2025 return, assuming every other requirement is met. Use the 2025 Form 5695 instructions for the filing rules. Eligibility, eligible property, tax liability, residence use, and any carryforward depend on the taxpayer's facts; this page does not determine them.
Expenditures after 2025
Under the current federal rule, do not subtract an assumed §25D benefit from a homeowner purchase for expenditures made after the cutoff. Keep a seller's tax estimate separate from the gross quote, the same-scope cash price, and the contractual loan amount. If timing crosses the boundary or the payment facts are unclear, verify the current IRS guidance and obtain qualified tax advice before relying on a credit.
State, local, utility, and contract incentives
Other programs have their own administrators, eligibility rules, and payment timing. DSIRE is a useful directory, but verify a program with the responsible government agency or utility. In a calculator, enter only an incentive supported for the household, jurisdiction, source event, scenario, and actual receipt year; missing evidence is not a zero or a promised payment.
Lease and PPA treatment stays separate
Do not transfer a homeowner §25D assumption into a lease or PPA scenario. Provider ownership, provider tax treatment, and the household's contract price are separate questions, and a provider benefit does not establish a guaranteed household discount. Compare the signed payment or per-kWh schedule in the financing comparator.
Solar is one piece of a bigger household-finance picture. For decisions that touch your taxes, retirement timeline, or home equity, it can be worth talking to a financial advisor through a directory like AdvisorWorld — alongside primary sources such as DOE, DSIRE, and the IRS.