Reviewed and updated October 16, 2026

Check later law before relying on old articles

The Inflation Reduction Act introduced or expanded energy-related tax benefits, but later federal legislation changed important expiration dates. A guide written when a credit was expected to run for years may no longer describe current eligibility.

For an amended or late return, use the law for the original tax year and the transaction’s actual dates. The date you read an article or submit a return does not determine eligibility.

Vehicle and home credits have key cutoffs

The IRS states that new, used and qualified commercial clean-vehicle credits are not allowed for vehicles acquired after September 30, 2025. Acquisition and placed-in-service requirements can require separate examination for a transaction near the cutoff.

The energy efficient home improvement credit is not allowed for property placed in service after December 31, 2025. The residential clean energy credit is not allowed for expenditures made after December 31, 2025. Do not advertise those former benefits as generally available for a new 2026 purchase.

Retain proof for a legitimate earlier claim

Preserve contracts, invoices, payment evidence, installation or delivery dates, manufacturer information and any required seller reports. A product marketed as energy efficient does not establish that it qualified for a federal credit. Separate a potential tax credit from utility rebates or state programs.

Businesses considering energy projects should review the specific provision, labor conditions where applicable and current guidance before committing. Ask your preparer to identify the exact credit and year. Use written eligibility findings and retain the supporting documents with the return.

Official sources

This guide provides general information. The rules depend on the tax year, jurisdiction and your circumstances. Ask our team which filing or planning steps apply to you.