Federal Solar Tax Credit Explained (Simple, No Jargon) — 2026 Update

If you've heard there's a 30% federal solar tax credit and you're wondering whether you qualify in 2026, the answer depends entirely on how you buy solar. The old rules changed when the One Big Beautiful Bill Act passed in July 2025.

The Short Version

The Residential Clean Energy Credit (Section 25D) — which let homeowners deduct 30% of their solar installation from their taxes — expired December 31, 2025 for cash and loan purchases. It is no longer available if you own your system.

However, a separate tax credit still exists under Section 48E. It offers the same 30% rate, but it can only be claimed by the company that owns the system — which means you can only access it through a solar lease or power purchase agreement (PPA).

Who Can Get the 30% Credit in 2026

Only homeowners who sign a lease or PPA. The leasing company claims the 30% federal credit via Section 48E, and they use it to offset their costs — which can mean a lower monthly payment for you. You never see the tax credit on your own return, but you benefit indirectly through reduced lease/PPA pricing.

If you buy the system with cash or a loan: you get zero federal tax credit. Period.

What About State Incentives?

State and local incentives are a separate question. Many states still offer rebates, SRECs, property tax exemptions, and net metering regardless of whether you bought or leased. Check with your state energy office for current programs.

Why This Changed

The One Big Beautiful Bill Act restructured clean energy tax incentives. The residential direct-purchase credit (Section 25D) was allowed to sunset, while the commercial/investor credit (Section 48E) was preserved and expanded. This effectively shifted solar tax benefits from homeowners to third-party system owners.

What to Do If You Want Solar in 2026

If you want the lowest total cost over 20 years, a cash purchase may still win — even without the credit — because you avoid interest and lease escalation fees. If you can't afford the upfront cost or want the tax credit applied to your project, a lease or PPA is the only way to capture the 30% federal benefit.

There is no $0-down, get-the-credit option for purchases in 2026. If a salesperson tells you different, ask them to show you the IRS form number. It will be 48E, not 25D.