The Federal Solar Tax Credit and New York: What Changed

New York solar tax incentives now require a clear distinction between new installations and older eligible claims. The federal household residential clean energy credit under section 25D ended for expenditures made after 31 December 2025, while an unused credit from an eligible 2025 installation may still be carried forward. New York’s state credit has separate rules.

The One Big Beautiful Bill Act, signed on 4 July 2025, set that federal cutoff. A new solar installation completed in 2026 does not earn a section 25D household credit, even if a deposit or contract dates from 2025. The special timing rule for construction or reconstruction of a structure is explained below.

What exactly ended, and for whom

Section 25D was the credit individuals could claim for eligible residential clean energy expenditures. The IRS timing FAQ (questions 1 and 7) confirms no credit for expenditures made after 31 December 2025. This is a household credit; a provider’s business tax position is a separate question.

For a normal equipment installation, the IRS treats the expenditure as made when the original installation is completed. A deposit, signed contract or advance payment in 2025 does not preserve section 25D for an installation completed in 2026. For an expenditure connected with construction or reconstruction of a structure, the IRS instead applies the date the taxpayer begins original use of that structure. See the IRS timing FAQ (questions 1 and 7). Utility permission to operate or a first bill credit, by itself, does not establish which timing rule or tax year applies.

There is no reduced 2026 household rate for an installation that misses the applicable 2025 timing rule. A quote, signed contract, deposit or advance payment does not grandfather an installation completed in 2026.

For new installation expenditures treated as made in 2026, paying cash or financing with a loan does not create a section 25D credit. A quote that deducts 30% federally from that new installation is overstating the household benefit. A previously earned carryforward must be shown separately.

Installations completed in 2025 are a different case

An installation meeting the applicable 2025 timing rule may qualify under the historical requirements; completion alone does not prove eligibility. The credit was generally 30% of qualified expenditures, nonrefundable, with unused amounts carried forward. The final 2025 Form 5695 instructions explicitly provide for carrying an unused 2025 credit to 2026. That does not reopen the credit for new 2026 installations.

A utility permission-to-operate date in 2026 does not, by itself, show whether the 2025 timing rule was met. For a normal installation, documented original completion in 2025 is relevant; for construction or reconstruction of a structure, the taxpayer’s original-use date matters. Do not assume a late switch-on either automatically preserves or automatically defeats the claim.

Projects that straddle the year end are fact-specific and belong with a tax professional. What you can do without advice is preserve the evidence.

Historical eligibility and eligible costs

For a historical claim, the taxpayer had to own the eligible new equipment and use the dwelling as a residence; owning the dwelling itself was not required. A qualifying second home could qualify for solar, unlike New York’s principal-residence-only credit. A landlord who did not live in the home could not assume eligibility. See the IRS residence FAQ and 2025 Form 5695 instructions for mixed personal/business use and other conditions.

Qualified equipment and allocable installation costs are different from a whole renovation budget. Traditional roof replacement, decking and rafters do not qualify under section 25D; solar-generating tiles or shingles may qualify. Interest and loan-origination fees are excluded. See the IRS qualifying-expenditures FAQ and current IRS clean-energy-credit overview. Certain subsidies or purchase-price adjustments affect the expense base; classify the actual payment and avoid subtracting the same amount twice.

Section 25C, the Energy Efficient Home Improvement Credit, is not a substitute solar-panel credit. It covers specified efficiency improvements and has no unused-credit carryforward; it also ended for property placed in service after 2025. See the IRS section 25C guidance.

What to keep if your installation completed in 2025

The completion date is the fact you may have to support, so keep the documents that fix it rather than the ones that describe the project generally.

Keep the contractor’s completion or final sign-off, final invoice and payment evidence, electrical inspection certificate, permit close-out, interconnection documents and permission-to-operate letter. Utility documents show specific approval or operating milestones; they are not necessarily later than every other record and do not settle the tax timing question alone.

Keep the evidence supporting both the original claim and every carryforward used. A qualified preparer can advise on the retention period, any home-basis adjustment required by the final Form 5695 instructions, and the final form for the return year. The 2026 draft form and instructions reviewed on 7 October 2026 were marked DRAFT—DO NOT FILE; they are not final filing documents. Check the IRS Form 5695 page for final materials.

A provider’s business tax position is separate

A company that owns generating equipment may qualify for a separate federal business investment credit under different conditions and deadlines. This article does not determine a provider’s eligibility or credit amount. Those rules must not be substituted for the terminated household section 25D credit.

Under a lease or power purchase agreement, the provider owns the equipment and may factor its tax position into the quote. That does not prove a particular federal benefit exists or has been passed through. Compare the actual contract price and terms.

The household does not claim the provider’s business credit. Whether a third-party agreement is competitive depends on price, escalators, maintenance, buyout and transfer obligations. The structures are compared in lease versus buy and the PPA guide.

How this reshapes the choice in New York

For a new 2026 purchase, the household cannot include the former federal section 25D credit. New York’s state credit may apply to a qualifying purchase, lease or PPA, but its calculation differs by arrangement. Compare actual offers and usable household tax credits without adding a provider’s potential federal benefit to your own savings.

Tax is not the whole picture. An owned system, including one financed by a loan, has different ownership, debt, maintenance and resale considerations from a lease or PPA. Review the financing or long-term contract rather than assuming buying always avoids contractual obligations.

A qualifying written lease or power purchase agreement must run for at least ten years. New York has separate payment-based rules for these arrangements; the $5,000 cumulative limit is not a new $5,000 award every year, and payments after year 15 do not earn a new credit under an agreement longer than 15 years. The official Form IT-255 instructions and Tax Department lease/PPA guidance explain the calculations. The purchase formula below must not be applied to a lease or PPA. Have the agreement and payment calculation checked by a qualified tax professional; this page does not automate either calculation.

The solar panel tax credit NY residents can still claim

The main remaining routes covered here affect different costs and bills. Eligibility for one does not establish eligibility for the others.

The New York purchase credit is 25% of eligible expenditures up to $5,000, claimed on Form IT-255. It requires a principal residence in New York and qualifying equipment; electricity-generating systems also have connection and net-metering requirements. It is nonrefundable, and an unused amount may be carried to the next five tax years. See the state equipment credit guide and the official Form IT-255 instructions. The current New York Tax Law section 606(g-1) does not share section 25D’s end-2025 cutoff.

NY-Sun is an installation incentive, not a household income-tax credit; see the NY-Sun guide and NYSERDA’s dashboards. As checked on 7 October 2026, the regular residential NY-Sun blocks in the Con Edison, Upstate and Long Island regions are closed. The Con Edison and Upstate Affordable Solar blocks are also closed. However, the Affordable Solar intake accepts applications for PSEG Long Island customers, and the Long Island dashboard lists a conditional $0.40-per-watt Affordable Solar incentive. This does not establish remaining funding or an approved award for a particular project. Confirm income eligibility, current funding and contractor approval before including an incentive in a quote.

The New York City property tax abatement reduces eligible building property tax over four tax years, following DOB approval. The NYC abatement guide explains its separate cost base, annual caps and filing steps. Net metering affects the electricity bill rather than income tax.

Community solar, which never depended on your tax position

An ordinary community solar subscription provides electricity-bill credits from an off-site project. The subscriber does not normally buy the project’s equipment or claim the equipment owner’s tax credit. Review subscription charges and bill-credit rules before comparing savings.

An ordinary subscription does not depend on the subscriber claiming section 25D, so the household cutoff does not create a new subscriber tax credit or remove one. Provider pricing, funding and contract availability can still change. For renters, apartment residents and unsuitable roofs, see the community solar guide.

Frequently asked questions

This article is general information, not tax, legal or financial advice. Incentive amounts, eligibility rules and deadlines change and depend on your utility, your tax situation and your property. Confirm current terms with NYSERDA, your utility and a qualified tax professional before making a decision.