Incentives & Rebates

What survived the federal credit's expiry, and how to check a state or utility rebate still has funding left before you count it in a quote.

Incentives & Rebates August 19, 2026 The Solar Tax Credit Expired: What §25D Really Said IRS's consumer page and the statute use two different legal tests for the same December 2025 deadline. The gap decides whether your 2026 quote still holds. 9 min read

About this section

Three quotes for the same roof came back with three different payback figures — seven years, nine, and fourteen. Priya Raghunathan rebuilt all three in a spreadsheet to find where they diverged, and the spreadsheet turned into this site. She does not work in the energy industry and has never sold, financed, or installed a system. Every number here is traced to a utility tariff sheet, a regulator's decision, or a published standard, and the arithmetic is written out so you can redo it on your own bill.

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Every guide cites the agency, statute, or document it was checked against, and carries the date it was checked. Rules change — if something here is out of date, tell us and it gets corrected.