If you’ve been considering going solar, the 2025 solar tax credit is your last chance to claim the 30% federal incentive before it expires. After this year, the credit will end due to its removal under H.R.1, the One Big Beautiful Bill Act. The legislation states:
(Sec. 70506) This section terminates the residential clean energy tax credit. (Taxpayers may claim a credit for certain renewable energy equipment for a principal residence only before 2026.)
In short, if you want to maximize your savings, now is the time to act.
However, with higher demand comes greater risk. Homeowners may encounter inflated solar installation costs, misleading offers, and aggressive sales tactics. This guide will help you understand the 2025 solar tax credit deadline, choose a reliable solar installer, and avoid paying more than the tax credit is worth.
Please note: While we specialize in solar, we are not tax professionals. Please consult a licensed tax advisor for guidance specific to your situation.
1. Know the 2025 Solar Tax Credit Deadline
Originally, the residential clean energy credit (25D) required systems to be “placed in service” by the end of the year to claim the credit on that year’s taxes—meaning all installation work had to be completed and operational. Under the OBBB, the language now focuses on “expenditures made” by that deadline.
Here’s where confusion starts: some companies claim that simply paying for your system before year’s end will qualify you for the credit, even if the installation occurs in the new year.
The IRS, however, has consistently interpreted “expenditures made” to mean the date the installation is complete. Per the IRS FAQs for modification of section 25D:
For purposes of the residential clean energy credit under section 25D, can a credit be claimed for property installed after December 31, 2025, or constructed after that date, if a taxpayer pays for the property on or before December 31, 2025?
No. Section 25D(e)(8)(A) provides that an expenditure with respect to an item is treated as made when the original installation of the item is completed. If installation is completed after December 31, 2025, the expenditure will be treated as made after December 31, 2025, which will prevent the taxpayer from claiming the section 25D credit. In the case of an expenditure made in connection with the construction or reconstruction of a structure, section 25D(e)(8)(B) provides that such expenditure will be treated as made when the original use of the constructed or reconstructed structure by the taxpayer begins. If such construction or reconstruction is completed and taxpayer’s original use of the structure begins after December 31, 2025, the expenditure will be treated as made after December 31, 2025, which will prevent the taxpayer from claiming the section 25D credit.
Bottom line: Your solar system must be physically installed by December 31, 2025, to qualify for the credit.
2. Choose a Solar Installer with a Proven Track Record
Choosing a solar installer with a proven track record is crucial for protecting your investment and ensuring long-term system performance. As discussed in The Rise and Fall of National Solar Companies, even in a booming market, many large national installers follow a pattern of bankruptcy—often due to aggressive sales tactics, outsourcing installations, and prioritizing profit over quality.
When these companies shut down, homeowners are often left with incomplete projects, voided warranties, and mounting frustration. In contrast, local installers with a long-standing presence in the community typically prioritize integrity, craftsmanship, and ongoing service—qualities that ensure your solar system continues to perform optimally.
3. Compare Solar Installation Costs and Avoid Overpaying
In our article Why You Should Always Get Multiple Solar Bids, we talked about why obtaining multiple detailed quotes is one of the best ways to ensure you’re getting accurate performance estimates. We’ve repeatedly seen bids from certain installers that fail to account for site-specific factors such as shading, which can lead to overly optimistic production estimates and disappointing results once installed.
Some companies are capitalizing on the rush to secure the 2025 solar tax credit by inflating prices. In some cases, even after applying the 30% credit, the net cost is still higher than what a reputable local installer—like Western Solar!—might charge for a 2026 installation. While typical 2025 solar pricing has averaged $2.40 to $2.80 per watt before incentives, we’ve seen competitor quotes exceed $3.30 per watt for a standard grid-tied system with no bells and whistles. Every project is different, which is why it’s so important to get a second or even third quote.
Do the math. Compare bids carefully and ensure the price you’re paying—credit or not—is truly competitive. Don’t let urgency push you into paying more than the tax credit is worth.
Install Solar with Confidence
The solar market is evolving quickly. By understanding the 2025 solar tax credit requirements, choosing a trusted local installer, and thoroughly comparing solar installation costs, you can protect your investment and avoid costly mistakes.
With the right approach, you’ll enjoy the long-term savings, energy independence, and environmental benefits of solar power—well beyond 2025.
