If you started researching home solar more than a year ago, the most important number in every article you read no longer applies. The federal residential clean energy credit — the 30% credit under Section 25D that anchored almost every payback calculation published in the last decade — was terminated for expenditures made after 31 December 2025.

That is a real change and it deserves a straight answer rather than a footnote. A New Jersey homeowner buying a system in 2026 does not claim a 30% federal credit on their return. Any quote, calculator, or salesperson still working that number into your net cost is quoting you something that does not exist.

What has not changed is that New Jersey remains one of the more favourable states in the country for residential solar — because most of what made it favourable was never federal.

What exactly expired, and when?

Section 25D of the tax code is the residential credit: the one a homeowner claims on their own return for a system they own. It was terminated for expenditures made after 31 December 2025.

Section 48E is a different provision. It is the clean electricity investment credit available to businesses that own generating equipment, and it did not end at the same time. That distinction is the reason third-party ownership deserves a closer look in 2026 than it did in 2024, and we come back to it below.

If you paid for a qualifying system before the cut-off, your position for that tax year is a question for your tax preparer, not for a solar installer. We can tell you what we installed and when; we cannot tell you what to put on your return, and you should be wary of any contractor who offers to.

What can New Jersey homeowners still use?

Four things, and together they are substantial.

The SuSI incentive. New Jersey's Successor Solar Incentive Program pays residential solar owners an administratively determined amount for each megawatt-hour their system generates, over a fixed fifteen-year term. This is the single largest state-level incentive available here and it is the reason New Jersey payback periods have historically beaten neighbouring states. It is production-based, which means it rewards a system that is correctly sized, correctly oriented, and actually maintained — not one that merely cost a lot.

Net metering. New Jersey requires utilities to credit residential solar exports at the full retail rate. In plain terms, a kilowatt-hour your roof sends to the grid in June offsets a kilowatt-hour you draw back in December at the same price. Many states have moved away from full retail crediting; New Jersey has not, and it materially changes the value of a system sized to cover your whole annual usage rather than just your daytime load.

Sales tax exemption. New Jersey exempts qualifying solar energy equipment from state sales tax. It is applied at purchase, so you will see it in the quote rather than claiming it later.

Property tax exemption. New Jersey exempts the added value of a renewable energy system from residential property tax assessment. A solar array can increase what your home is worth without increasing what you are assessed on. This one is frequently left out of comparisons because it does not show up as a line item, but over a twenty-five-year system life it is not a small number.

Beyond those, individual utilities periodically run their own programmes — battery storage incentives in particular have been an active area. These change more often than the state programmes do, which is a reason to ask what is current at the time you are quoted rather than relying on an article, including this one.

How should you think about leases and PPAs now?

This is where the 2026 landscape genuinely differs from the 2024 one.

Under a lease or a power purchase agreement, you do not own the equipment. A third party owns it, installs it on your roof, and either rents it to you or sells you the electricity it produces. Because the owner is a business, the relevant federal provision is the commercial investment credit rather than the expired residential one — and that credit did not terminate at the end of 2025.

What that means honestly: value may still be flowing into the system from the federal side, but it flows to the owner, not to you. Whether any of it reaches you depends entirely on how the contract is priced. It is not a credit you claim, it is not money you receive, and nobody should describe it to you as "you still get the 30%."

If you are comparing an ownership quote against a third-party-owned offer in 2026, insist on the same basis for both:

  • Total cost across the full contract term, not the monthly payment or the first-year rate.
  • The escalator. Many PPAs raise the per-kilowatt-hour rate annually. A low opening rate with an aggressive escalator can cost more over twenty years than buying outright.
  • Who receives the SuSI payments. On a third-party-owned system this is normally the owner. If the incentive that makes New Jersey attractive is going to somebody else, that belongs in the comparison.
  • What happens if you sell the house. Transfer terms vary and a difficult transfer clause is a genuine complication at closing.
  • What happens if you need the roof replaced. Removal and reinstallation on a third-party-owned system requires the owner's cooperation and often their pricing.

Third-party ownership is a legitimate option and it suits some households well, particularly those without the tax appetite or the capital for a purchase. It is simply not a workaround for the expired credit, and it should not be sold as one.

What questions should you ask a quote in 2026?

The expiry of a headline incentive is exactly the moment when quoting gets less disciplined, because the easiest way to protect a number that used to work is to keep using it. Three questions will sort most of it out:

  • "Show me the net cost with no federal residential credit applied." If the quote falls apart, you have learned something important about the quote.
  • "What is the SuSI payment based on, and what production estimate are you using?" A production estimate that assumes an unshaded south-facing roof on a house that has neither is the quiet way an optimistic payback gets built.
  • "What is the roof's remaining life?" This is not a tax question, but it will affect your twenty-five-year cost more than any incentive on the sheet.

Is solar still worth it in New Jersey?

For many homes here, yes — and the reason is that the state-level side of the equation is intact. SuSI still pays on production for fifteen years. Net metering still credits exports at retail. The sales tax exemption still applies at purchase and the property tax exemption still applies for as long as you own the home.

What has changed is that the answer is now genuinely house-specific rather than close to universal. When a 30% federal credit sat on top of everything, a mediocre roof with partial shading could still pencil out. Without it, orientation, shading, roof condition, and your actual consumption pattern decide the outcome — and a house that was marginal before may not clear the bar now.

That is not a reason to avoid a quote. It is a reason to insist the quote be built from your roof and your bills rather than from a template. If the numbers work for your house, they work; if they do not, an honest contractor should tell you so.

This article describes programme structure, not tax advice. Incentive programmes and their terms change. Confirm your own position with a qualified tax professional before making a purchase decision.