Date,Event,Source
2022-08-16,"Inflation Reduction Act (Public Law 117-169) enacted: HOMES $4,300,000,000 and state HEEHR $4,275,000,000 appropriated, available through 2031-09-30","Public Law 117-169, secs. 50121 and 50122"
2023-01-01,"Expanded 25C begins: 30% of qualified costs, $1,200 annual limit plus $2,000 per year for qualified heat pumps","IRS, Energy Efficient Home Improvement Credit page"
2025-01-01,25C items (except insulation and air sealing) require a qualified manufacturer and a reported QMID,"IRS, Energy Efficient Home Improvement Credit page"
2025-07-04,Public Law 119-21 enacted; sec. 70505 amends 25C(h) so the credit does not apply to property placed in service after 2025-12-31,"Public Law 119-21, sec. 70505"
2025-12-31,Last day a heat pump could be placed in service and qualify for 25C,"Public Law 119-21, sec. 70505; IRS 25C page"
2026-05-29,DOE Program Notices 26-1 (HOMES) and 26-2 (HEEHR) take effect,DOE Program Notice 26-2
2026-08-31,Deadline for launched programs to keep making reservations under the old rules,"NASEO FAQ, August 2026; BPA factsheet, June 2026"