There is no new federal homeowner solar credit for new 2026 expenditures under current Section 25D guidance. If a Georgia proposal still subtracts the old credit, changing one incentives box is insufficient: the net price, financing assumptions, later installment and payback may all need revision.
This guide preserves the credit-timing and carryforward decision, then shows how to trace an obsolete tax assumption through a proposal. It is educational information, not tax or legal advice. A qualified tax professional must evaluate personal filing facts; the installer and creditor should supply their own project and payment evidence.
Federal solar tax credit in 2026: the short decision table
| Your situation | Federal homeowner Section 25D position under current guidance | What to do next |
|---|---|---|
| New solar or battery installation completed in 2026 | No new Section 25D credit | Recalculate the proposal without a 30% federal homeowner credit |
| You paid or signed in 2025, but installation completed in 2026 | Prepayment or contract date does not preserve the credit | Ask a tax professional to review the actual completion facts and records |
| Qualifying installation completed in 2025 | It may belong on the 2025 return, normally filed in 2026 | Review the 2025 Form 5695 rules and evidence with your preparer |
| Unused qualifying Section 25D amount from a prior year | A carryforward may still reduce federal tax in 2026 | Preserve the prior forms and calculate the carryforward with your preparer |
| Cash or loan purchase completed in 2026 | Ownership does not override the federal termination | Compare project economics without a new homeowner federal credit |
| Lease or power-purchase agreement | The homeowner does not own the system and should not claim an owner credit | Compare the signed payment and transfer terms; do not assume the provider’s tax result |
| Claimed Georgia local or utility assistance | Separate eligibility must be verified | Obtain current official program and approval evidence |
The practical answer is simple: if a 2026 homeowner proposal subtracts 30% from the contract price, loan balance, payment, or payback calculation as a new federal credit, ask the seller to remove that line and rerun every figure.
What federal law actually changed
The relevant homeowner provision is the Residential Clean Energy Credit under Internal Revenue Code Section 25D. Do not confuse it with a business credit or a utility rebate.
Public Law 119-21 accelerated the end date. The IRS current Residential Clean Energy Credit page confirms that the credit is not available for expenditures after December 31, 2025. Those formulations should not be collapsed into “the day you paid.” Section 25D has a timing rule for when an expenditure is treated as made.
Paying in 2025 did not lock in the credit
The IRS FAQ for the Public Law 119-21 changes directly addresses a taxpayer who paid on or before December 31, 2025 for property installed later. Its answer is no: Section 25D(e)(8)(A) treats the expenditure as made when the item’s original installation is completed. If completion occurs after December 31, 2025, the expenditure is treated as made after the deadline.
That means none of these facts, standing alone, establishes a 2025 credit:
- signing a proposal or finance agreement in 2025;
- paying a deposit in 2025;
- paying the seller in full in 2025;
- having equipment delivered in 2025;
- receiving a permit in 2025; or
- having a lender fund the transaction in 2025.
The original installation must satisfy the governing timing rule. A salesperson’s invoice date or description of “substantial completion” is not a tax determination.
Construction or reconstruction has a separate original-use rule
The IRS law-change FAQ also explains Section 25D(e)(8)(B). When an expenditure is connected with construction or reconstruction of a structure, it is treated as made when the taxpayer’s original use of the constructed or reconstructed structure begins. A newly built home that the taxpayer first uses after the cutoff is therefore not saved by an earlier equipment payment.
This distinction matters for a solar project incorporated into new-home construction. Do not assume that the solar contractor’s work date alone controls when the broader construction rule applies. Have a qualified professional examine the home-construction facts.
Installation, inspection, permission to operate, and “placed in service” are not interchangeable sales milestones
The current IRS website uses “installed” and “placed in service,” while the statute and law-change FAQ focus on when the expenditure is treated as made and when original installation is completed. Local inspection and utility permission to operate are important project milestones, but the IRS FAQ does not say that signing, paying, inspection, or utility approval automatically answers every boundary case.
If a system was physically installed near the end of 2025 but inspection, correction, interconnection, or permission to operate occurred in 2026, preserve the full timeline and seek project-specific tax advice. Relevant evidence may include the contract, invoices, payment records, installation logs, permit inspections, commissioning records, interconnection documents, and utility correspondence. Sunburst can explain project milestones; it cannot decide the tax year for a disputed set of facts.
A carryforward into 2026 is not a new 2026 credit
The federal termination stops new Section 25D expenditures after 2025. It does not mean every valid credit earned earlier vanishes on January 1, 2026.
The 2025 Instructions for Form 5695 state that the form is also used to carry the unused portion of the Residential Clean Energy Credit to 2026. The 2025 Form 5695 includes a specific “credit carryforward to 2026” line. That is a remaining amount from a qualifying earlier expenditure, not a new credit generated by 2026 work.
Keep three calendar concepts separate:
- Installation or expenditure tax year: the year in which the qualifying federal expenditure is treated as made.
- Return filing date: a 2025 federal return is usually prepared and filed during calendar year 2026.
- Carryforward year: an unused allowed amount from an earlier return may be applied in a later year, subject to the current form, instructions, tax liability, and the taxpayer’s facts.
For example, someone who completed a qualifying installation in 2025 may claim it on the 2025 return filed in 2026 if all requirements are met. Calling that a “2026 solar credit” is misleading because the credit belongs to tax year 2025. Someone with an unused amount properly carried from that return may use the carryforward mechanism, but a different system completed in 2026 does not generate another Section 25D amount.
Have your preparer review earlier eligibility, calculation and any amended-return question using the applicable year’s official forms and instructions.
Keep ownership and payment structure separate
A cash purchase and an owner-purchase loan can both put the equipment in the homeowner’s ownership, subject to the actual documents. Neither moves a current installation back into an eligible earlier year. A lease or energy-purchase customer generally does not own the equipment and should not treat the owner’s potential tax position as money arriving on the customer’s return.
The FTC homeowner solar guide explains the ownership distinction. The IRS Clean Electricity Investment Credit page describes a separate business-side provision. Do not translate that provision into an assured personal homeowner discount. If another ownership route is offered, compare the customer’s actual contract and have the relevant owner’s professional evaluate any business tax claim.
| Offered structure | Proposal evidence | Credit-assumption check |
|---|---|---|
| Cash owner purchase | Complete cash scope and invoice | No new 2026 homeowner credit |
| Owner-purchase loan | Cash price plus credit agreement | No assumed credit-funded prepayment |
| Third-party lease | Owner, term and payment exhibits | Do not count provider benefit as personal refund |
| Energy purchase | Ownership and billing formula | Compare contract, not an inferred owner credit |
| Claimed public assistance | Official program and award | Verify separately from Section 25D |
Availability and eligibility for each arrangement must be verified; this table is not an offer from Sunburst. Keep ownership, creditor approval and tax eligibility as three distinct determinations.
Trace every figure that used the expired credit
Ask for the original proposal and a corrected version with the same physical scope. The first comparison should hold equipment, production and household data constant while removing the unsupported benefit. That shows the effect of the correction without confusing it with a redesign.
Check gross cash price, displayed net price, amount financed, planned principal reduction, initial and later payments, cumulative cash flow and payback. A sales summary can show a low net number while the actual loan funds a much larger balance. Use the written credit agreement to determine what is owed.
Create a correction ledger:
| Figure | Original assumption | Required evidence in revised version |
|---|---|---|
| Gross cash price | Defined system before benefits | Same scope, exclusions and taxes |
| Net project illustration | Credit subtracted | No unsupported 2026 credit |
| Financed principal | Amount creditor funds | Actual approved credit terms |
| Future principal payment | Expected tax money | Scenario with no optional payment |
| Later installment | Recast or schedule trigger | Complete contractual schedule |
| Return/payback | Cost net of credit | Revised cost boundary and cash flows |
| Home-sale plan | Reduced future balance | Date-specific payoff assumptions |
A corrected financial illustration does not necessarily change the signed contract. Ask the creditor which terms remain and whether a revision requires another approval. If you already committed and the representations are disputed, obtain qualified legal guidance rather than assuming the spreadsheet correction resolves the obligation.
Recalculate affordability before recalculating payback
A project can have long-term value while creating an unaffordable required installment. First request the schedule if you make no optional lump-sum principal payment. Record when the payment starts, when it changes, interest accrual and whether additional principal reduces the installment or only the remaining term.
The CFPB solar financing spotlight documents historical concerns about conditional payments and credit representations. It does not establish that all loans have the same structure. Use the actual creditor’s documents and avoid applying a forum borrower’s term to your offer.
Add the utility bill that remains to the required solar payment. Keep maintenance or other contractual charges separate. Test the household budget during a production delay and in a lower-savings case. If the payment only works with an unsupported refund, that is a reason to revise or pause before discussing an attractive lifetime total.
Review monthly payment components and cash versus loan for the full comparison. Removing an obsolete benefit should make the obligations clearer, not lead to a longer term presented as though the same economics were preserved.
Recalculate the investment without inventing another incentive
Once the payment schedule is understood, rebuild the project-cost side from the gross same-scope cash price. Keep required roof, electrical, battery or structural work visible. Do not replace the ended credit with an assumed package discount or another state’s program.
Any actual seller discount should have its own written amount and conditions. A local, utility or income-qualified award should have an official administrator, current eligibility, application sequence, funding status and approval record. If a benefit is unapproved, keep it outside the base investment calculation.
For a cash-purchase screening model, use the defined upfront project cost and realistic net benefits. For financing, use the actual timing of payments and other outflows. Do not add the full cash price to total loan payments when those payments already repay the system. Conversely, do not use a net-of-credit cost that no longer exists.
The comprehensive solar payback guide handles imports, exports, operating costs and year-by-year recovery. This article’s distinct task is correcting the tax input and its downstream effects. A proposal may still be worthwhile, but it must earn that conclusion from current evidence rather than inherit an old payback figure.
Evaluate changes only after producing the corrected baseline
Once the original project is modeled without the expired benefit, compare revisions separately. A smaller array, improved load match, different cash price, different credit or roof-first sequencing can change the recommendation. Each option should state what changed rather than implying it merely fixes the tax line.
Ask for a solar-only case before adding a battery for financial reasons. A battery may support resilience goals while adding capital cost, losses and service assumptions. Its value should be evaluated incrementally on the same load and tariff, without a new homeowner credit assumed for current expenditures.
Do not select a more aggressive future electricity-growth percentage to recover the old headline return. Show a current-rate baseline and separate sensitivity scenarios. Likewise, do not increase production without a revised design or verified input change. Correcting tax assumptions should improve transparency rather than move optimism into another part of the model.
Keep tax documents separate from sales evidence
Your tax file can include prior returns, Forms 5695, itemized invoices, payment records, installation and commissioning evidence and project dates. Your sales file should include each proposal version, ownership documents, finance terms and benefit representations. They overlap, but serve different purposes.
Do not email full tax returns to an unexplained installer lead form to prove eligibility. Ask the preparer what project evidence is needed and share that appropriate documentation. An installer can describe equipment and milestones; it should not decide the taxpayer’s liability or carryforward balance.
If an earlier carryforward exists, have the preparer determine its usable amount and timing. Keep that personal tax fact outside the new project’s advertised price unless its treatment is explicitly explained and supported. Do not attribute the earlier benefit to the new installation or promise that it will fund a creditor’s required deadline.
Ask who is responsible for each corrected figure
Assign the installer the design and cash-scope evidence, the creditor the repayment documents, and the tax professional the personal filing conclusion. A salesperson may communicate the update, but the supporting document should come from the party responsible for that figure. This prevents a revised sales payment from being mistaken for a revised credit agreement.
Use a dated change record showing the original assumption, corrected assumption, affected document and person confirming it. Mark whether the update is merely an illustration or an actual contractual revision. Keep both versions so a later reviewer can understand what was represented before and after the correction.
If the new budget no longer fits, request alternatives without pressure to sign immediately. The answer may be another defined scope or waiting. A household should not accept a longer obligation merely because a spreadsheet can recreate the old initial installment. Evaluate the full payment schedule and remaining utility expense before choosing the next step.
Decide whether to proceed, revise or obtain advice first
Proceed to an address-specific assessment when the project scope is clear, the household can afford the actual obligations and the revised economics are acceptable without an unsupported credit. Revision is appropriate when a smaller design, clarified cash price or another credit route could meet the goal. A pause is appropriate where the proposal refuses to remove obsolete assumptions or essential evidence is missing.
Get tax review first for an earlier project crossing the cutoff, new construction, business or rental use, multiple owners, a prior carryforward or another complex ownership situation. Get legal advice promptly for an already signed agreement where representations or deadlines are disputed. Do not wait for a technical sales appointment to preserve time-sensitive rights.
Review residential solar installation, quote comparison and is solar worth it. Bring your Georgia address, verified utility, ownership status, project goal and original/corrected proposals to an address-qualified solar assessment, asking Sunburst to confirm coverage and scope. Ask your tax professional to apply the current rule to your own records.
Frequently asked questions
Is there a new 30% homeowner solar credit for a 2026 installation?
Current IRS guidance ends new Section 25D expenditures after December 31, 2025. A new current homeowner installation should not be sold using the old percentage. Ask for the proposal’s price, payment assumptions and economics to be corrected.
Does a 2025 deposit preserve eligibility if installation finished later?
The IRS timing FAQ says earlier payment alone does not preserve the credit when original installation finishes after the cutoff. A construction-related expenditure has its own original-use rule. Have a tax professional review the actual facts and timeline.
Is filing a return in 2026 the same as earning a 2026 credit?
No. A qualifying earlier expenditure may be reported on its applicable prior-year return filed later. Keep the tax year, filing date and carryforward year distinct. The filing calendar does not make a new installation eligible.
Can an older carryforward help with my taxes?
Potentially, if it was properly earned and supported by your records under applicable forms and instructions. Your preparer must determine the amount and treatment. It is not a new benefit generated by current installation work.
Does a loan or cash payment change the cutoff?
Payment structure does not move an installation into an earlier eligible period. Compare ownership and contract terms separately. A loan may also contain a future payment assumption that must be evaluated without unsupported tax money.
What should change when a quote removes the old credit?
Check net price, loan prepayment assumptions, later installments, cumulative cash flow and payback. Hold the physical scope constant for the first correction. Then compare any redesign or new financing as a separate option.
Can a third-party owner’s business credit become my refund?
Do not assume so. Business-side tax treatment is separate and fact-dependent. Compare the actual customer contract, and leave the owner’s tax position to its qualified professional rather than treating it as personal homeowner cash.
Should I expect another incentive to replace the ended credit?
Only count a verified actual benefit with current official eligibility and approval evidence. Do not import another state’s program or assume funding. Keep unapproved assistance outside the baseline affordability calculation.
Can solar still make sense without the credit?
It may, depending on cash price, useful production, load, utility treatment, financing and goals. Require a corrected baseline and conservative case. No statewide verdict or payback number can decide the individual property.
Sources and methodology
Last reviewed: September 30, 2026. Official sources checked September 30, 2026. This guide adds Georgia proposal-recalculation guidance to the federal timing, carryforward and ownership rules. No personal eligibility, refund, business credit or financing offer is promised. Older state-specific sections are not applied to Georgia.
- IRS Residential Clean Energy Credit: current expenditure cutoff; accessed September 30, 2026.
- IRS Public Law 119-21 FAQ: installation and construction timing; accessed September 30, 2026.
- IRS Form 5695 instructions: prior-year and carryforward distinction; accessed September 30, 2026.
- IRS Clean Electricity Investment Credit: separate business provision; accessed September 30, 2026.
- FTC homeowner solar guide: ownership choices; accessed September 30, 2026.
- CFPB solar financing spotlight: historical payment-assumption risks; accessed September 30, 2026.