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Energy Efficient Home Improvement Credit (Section 25C)

Illinois — state programSee programDeadline: 2025-12-31

A federal tax credit for energy efficient home improvements. Under the One Big Beautiful Bill (OBBB), the credit is terminated and will not be allowed for any property placed in service after December 31, 2025.

Program details

Type: tax-credit
Deadline: 2025-12-31
Eligibility: Taxpayers who place qualifying energy efficient home improvement property in service on or before December 31, 2025. Manufacturers must register with the IRS to become a qualified manufacturer for specified property to be eligible.
Status: open
Administrator: Internal Revenue Service (IRS)
More Info: https://www.irs.gov/newsroom/faqs-for-modification-of-sections-25c-25d-25e-30c-30d-45l-45w-and-179d-under-public-law-119-21-139-stat-72-july-4-2025-commonly-known-as-the-one-big-beautiful-bill-obbb

Source: Illinois — state program. Confirm current terms with the administering agency before applying.

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