Hawaii Nonprofits Can Get the Solar Credit Paid in Cash
Hawaii pays more for electricity than anywhere else in the country. In July 2026 the all-sector average was 43.28 cents per kilowatt hour against a national average of 14.99, and commercial customers paid 43.63 against 14.53. For a church, a school or a food bank, the power bill is a permanent line item that behaves like rent.
So the math on solar should be easy here. It usually isn’t, and the reason has less to do with panels than with a sentence that stopped being true four years ago.
The state credit was never yours
Hawaii’s Renewable Energy Technologies Income Tax Credit is the incentive everyone in the islands talks about. Read who can claim it. The Form N-342 instructions limit it to “individual or corporate taxpayers subject to Hawaii income tax under chapter 235, or taxpayers subject to Hawaii franchise tax under chapter 241,” and the claimant has to be the economic owner of the system.
A 501(c)(3) is none of those things. Neither is a county, a charter school or a church. The instructions do not mention tax-exempt organizations at all, because the credit was never built for them. It is also nonrefundable by default, which is academic for an organization with no Hawaii tax liability to carry it against.
That matters more than it sounds. It means the only clean energy credit a Hawaii tax-exempt owner can actually convert into money is the federal one.
What the 2026 executive order did not do for you
On June 12, 2026 Governor Green issued Executive Order 26-02, exempting systems placed in service during calendar year 2026 from Act 24’s new annual cap on the state credit. It was the biggest solar policy event in Hawaii this year. Installers have been walking boards through it since June.
It is worth nothing to a tax-exempt owner. The order relieves a cap on a credit your organization was never eligible to claim, and conditions relief on having relied on that credit before May 21, 2026. If your organization owns its system, your entire credit position is federal and always was.
This is the single most common confusion I see in island markets. A board hears "the solar tax credit was saved" in June, assumes the question is settled, and never asks the separate question that actually governs its own project. The state credit and the federal credit are different credits with different claimants.
Hawaii’s nonprofit solar playbook was written in 2015
When the state launched GEMS financing for nonprofits, Pacific Business News explained the design in one line: “Because of their tax-exempt status, nonprofits cannot use state or federal tax credits that lower PV system costs.” The fix was a prepaid power purchase agreement. A third party owns the roof system, claims the credits, and passes some of the value back as a lower rate.
That was correct in 2015. Section 6417 took effect for tax years beginning after December 31, 2022 and made the second half of it wrong. A tax-exempt entity that owns qualifying energy property can now elect to have the credit paid out in cash, no tax liability required.
Hawaii’s institutions have not caught up. The State Energy Office’s own incentives page covers the residential credits and the commercial investment credit and says nothing about elective pay or direct pay, or about whether a nonprofit or government entity can claim anything. Search its site for “elective pay” and it returns nothing found. The statewide nonprofit association has no material on it either.
Meanwhile the Hawaii Green Infrastructure Authority told the Governor and Legislature in its 2025 annual report that it has been “working with Solar Contractors to pivot from homeowner-owned systems to third-party owned systems,” which are “eligible for the commercial 48E solar tax credits.” Its third-party ownership program is aimed explicitly at nonprofits, with no upfront cost and on-bill repayment, and it lets the project sponsor monetize the credits.
None of that is improper. It is a rational product built on an assumption nobody has revisited.
Ownership is the whole question
Before any tax analysis, one fact decides everything.
If your organization owns the system, Section 6417 is available and the credit can come back to you as cash. If a third party owns it and sells you the power, the credit belongs to that owner. You get a rate discount they set, and the federal payment is theirs.
A board comparing a capital campaign against “no money down” will take no money down almost every time, and that is a defensible decision. It should just be a decision, made with the number in front of it. Thirty percent of eligible basis paid directly to the organization is a different proposition than a discount on a twenty year contract, and the second one is usually presented without the first being priced.
Ask one question before signing anything. Who owns the system, and who claims the federal credit? If the answer is the developer, ask what the project would look like if you owned it instead and claimed the credit yourself. You may still choose the power purchase agreement. You should not choose it by default.
The energy community bonus reaches four census tracts, not the island
AES Hawaii’s coal plant at Kapolei retired in 2022, which created qualifying coal closure census tracts on Oahu. I want to be precise about this, because precision here is worth real money and I have seen the claim stretched.
Appendix C to Notice 2023-29 lists exactly four Hawaii tracts, all in Honolulu County: tract 9803, the plant site itself, covering Campbell Industrial Park and Kalaeloa, plus three directly adjoining tracts, of which one is an offshore water tract. In practice that is three areas of land on the leeward and Ewa side of Oahu.
Nothing has been added since. I checked every subsequent coal closure appendix through Notice 2026-39, which is the current list, and each one contains zero Hawaii rows.
So a project inside those tracts can claim ten additional percentage points. A project in Kaneohe, Hilo, Kahului or Lihue cannot, on this basis. If an installer tells your board that Hawaii qualifies for the energy community bonus, ask which census tract the roof sits in.
One number decides whether all of Oahu qualifies
Here is the part nobody in the islands is watching.
There are two ways to be an energy community. The coal closure route above, and a statistical area route that requires meeting both a fossil fuel employment threshold and an unemployment test. Appendix B to Notice 2023-29 lists the Urban Honolulu metropolitan area as already meeting the fossil fuel employment threshold.
It has never met the companion test, which requires an unemployment rate at or above the prior year’s national average. I checked every annual list from 2023 through Notice 2026-39. Hawaii appears in none of them.
That leaves one variable. In any year Honolulu County’s unemployment rate reaches the national average, the entire Urban Honolulu area becomes an energy community for that year, because the first prong is already satisfied. Every qualifying project on Oahu would pick up ten percentage points.
This is worth tracking rather than assuming, and it is the kind of thing that decides whether a project should be energized in December or January.
Placed in service is the risk nobody prices
The credit attaches when property is placed in service, not when you sign or when you pay. In Hawaii that date is harder to control than almost anywhere.
Equipment ships across an ocean. Honolulu’s permitting backlogs are long enough to be a standing political issue. Hawaiian Electric closed Customer Grid Supply Plus to new participants in March 2024 and closed Battery Bonus in July 2024 oversubscribed on Oahu, so interconnection terms have tightened and circuit saturation decides schedules in ways a mainland contractor would not expect.
Then there is the policy risk, which fired this year. A 2026 bill would have applied a state credit change retroactively to projects not commissioned by March 1, before the executive order undid it. Hawaii has already demonstrated that a project’s credit position can turn on a commissioning date set after the project was underway.
For federal purposes the exposure runs the other way as well: registration has to be complete before the return is filed, and the IRS processes registrations in the order received with no expedited handling.
What to do
FirstSettle ownership
Confirm in writing whether your organization will own the system or buy power from someone who does. Everything below depends on this and nothing else matters until it is answered.
SecondSeparate the two credits
Treat the Hawaii credit and the federal credit as different questions. If you are tax-exempt, the state credit is not yours and the 2026 executive order does not reach you.
ThirdLocate the roof
Check the census tract against the current IRS coal closure appendix before anyone claims the energy community bonus. Three areas of land on Oahu qualify. Most of the state does not.
FourthCheck the low-income bonus separately
Roughly 139 Hawaii census tracts qualify as low-income communities for the Section 48E(h) program. That bonus is applied for and allocated, not automatic, and the allocation has to be awarded before the facility is placed in service.
FifthStart registration early
Pre-filing registration runs on the IRS calendar, not yours, and the number has to be on the return for the election to work.
If your organization owns a system in Hawaii, or is being asked to sign a power purchase agreement for one, GreenFile Advisory handles Section 6417 filings for tax-exempt owners, including the registration and the return. Tell us the placed in service date and who owns the system, and we will tell you what the credit position actually is before anyone needs to commit to anything.
Form and appendix references are current as of October 2026. The coal closure and energy community lists are updated annually and should be rechecked against the latest IRS notice before a project relies on them.
Have a project and a deadline?
GreenFile Advisory handles the filing side of Section 6417 direct pay: eligibility confirmation, IRS pre-filing registration, and the Form 990-T with the elective pay election. Filing and compliance only, so we are not competing with your installer or your financing.
This article is general information, not tax advice, and it reflects IRS guidance as of October 10, 2026. Deadlines and eligibility depend on your organization's tax year and entity type. Please confirm your own facts with a qualified tax professional before relying on anything here.