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Paying, tax, and contracts

Buying, leasing, PPAs, loans and PACE, contracts, cancelling, and section 25D.

Disclosure: We may earn a commission if you buy through links on this page. It does not change our guidance. Affiliate Disclosure

The federal tax credit

Under federal law as amended on July 4, 2025, the residential clean energy credit (Internal Revenue Code section 25D) does not apply to expenditures made after December 31, 2025. The IRS says an expenditure is treated as made when the original installation is completed. See IRS.gov for details, and ask a tax professional about your situation.

Guides

Start with buy, lease, or PPA

Own it, lease it, or buy power.