How Much Do Solar Panels Cost in 2026?

Is There Still a Federal Solar Tax Credit in 2026?

For homeowners who buy a system, no. The One Big Beautiful Bill Act, signed July 4, 2025, ended the Section 25D Residential Clean Energy Credit for expenditures made after December 31, 2025. The 30% credit had previously been scheduled to run through 2032. Homeowner-owned batteries installed after 2025 also no longer qualify under Section 25D.

What still exists:

• If you completed a system by December 31, 2025, you can still claim the credit on your 2025 tax return.
• Leases and PPAs: the company that owns the system may still claim the business Investment Tax Credit under Section 48E, generally for projects that began construction by July 4, 2026 or are placed in service by December 31, 2027. Some providers pass part of that value to you through lower payments, but it is not a credit you claim yourself.
• State, local and utility incentives (rebates, property tax exemptions, sales tax exemptions, net metering rules) vary by location and may still apply.

Confirm current rules on the IRS Residential Clean Energy Credit page and with a tax professional before making decisions. Treat any 2026 sales pitch promising a 30% federal credit on a purchased system as a red flag.

Solar Payback Period Without the Federal Credit

To show how rates drive payback, we modeled one example system: 8 kW at $22,000 (about $2.75/W), producing about 10,512 kWh per year (4.5 peak sun hours × 365 days × 0.80 system efficiency, per kW), with every kWh valued at the state’s June 2026 EIA residential rate.

Summary of Chart 2: Payback shrinks quickly as electricity gets more expensive. At the national average of 18.34¢/kWh, the example system pays back in about 11.4 years. In high-rate markets such as Hawaii and California it falls to about 4–6 years on paper, while low-rate states such as Florida, Arizona and Nevada land around 14–16 years. Panels typically carry 25-year warranties, so even the slower cases can pay back within the warranty period, though the margin is thinner. For more on this topic, see our guide to Solar Panels for a 1,500 Sq Ft House.

Summary of Chart 3: At about $1,928 saved per year, the system crosses break-even around year 11.4 and reaches roughly +$26,200 net by year 25. This is a simplified model: it ignores panel degradation (typically a fraction of a percent per year) and future electricity price increases, which partly offset each other, and it ignores maintenance, financing costs and inverter replacement. Use the solar payback calculator with your own bill for a personal estimate.

Red Flags to Watch for When Comparing Solar Quotes

Get at least three quotes. The same system in the same market can be priced very differently depending on overhead, financing fees and markup.

• Outdated tax credit claims. A quote promising a 30% federal credit on a purchased 2026 system is wrong or misleading.
• Oversized systems. A proposal far above your 12-month usage may maximize the installer’s sale, not your return. Check sizing with the system size calculator.
• Lease or PPA escalators. Annual payment increases can erase much of the early savings over a 20-year term.
• Roof condition shortcuts. If your roof has under about 10 years of life left, replace it before installing, since removing and reinstalling panels later is costly.
• Interconnection delays. Utility approval can add months in congested territories; ask for the current timeline.
• Pressure tactics. Real deadlines exist for leases and PPAs, but “sign today” pricing for a purchase rarely reflects a legitimate expiring federal credit.

Battery storage is an optional add-on with its own economics. Homeowner-purchased batteries no longer qualify for the 30% credit after 2025, so model the payback separately with the battery storage calculator.