IRA Clean Energy Investment Tax Credit: Compliance Requirements

File Form 3468 (Investment Credit) with your annual tax return in the first taxable year you report a clean energy investment credit (Section 48/48E/48D).

Deadline: With the taxpayer's annual federal income tax return filed for the year property is placed in service

Source: IRC §48(a)(16); IRS Form 3468 Instructions 2025

If claiming the domestic content bonus (additional 10 percentage points), document that steel, iron, and manufactured products used in the facility meet U.S. sourcing requirements or obtain valid domestic content exceptions.

Deadline: Documentation must be prepared before placing property in service and retained for IRS examination

Source: IRC §48(a)(6); Treasury Domestic Content Guidance (May 2023); Federal Register December 12, 2024

If transferring or electing direct payment of the credit under Section 6418 or Section 48D(d), register the facility and report all required information to the IRS portal before claiming the payment/transfer.

Deadline: Registration and reporting must occur before the tax return is filed claiming the credit or payment

Source: IRC §6418; IRC §48D(d); IRS Form 3468 Instructions Part III, IV, V, VI; Treasury guidance on elective payments

Ensure prevailing wages are paid to workers and registered apprentices are utilized during construction, alteration, and repair of the qualified energy facility for all construction periods.

Deadline: Compliance required throughout facility construction and during any claimed construction period for basis allocation

Source: IRC §48(a)(10)(B), §48(a)(11); 2 CFR 200 (Uniform Guidance on federal awards); DOL Wage and Hour Division IRA Guidance

If claiming the energy community bonus (additional 10 percentage points), verify and document that the facility is located in a qualified energy community (brownfield, fossil fuel employment area, or coal-closure census tract).

Deadline: Location verification performed before placing property in service; documentation retained for tax return substantiation

Source: IRC §45(d)(7); Treasury Energy Community Guidance (June 2024); IRS Form 8849 (for PTC); Form 3468 (for ITC)

Maintain records and documentation sufficient to demonstrate compliance with prevailing wage and apprenticeship requirements if claiming the enhanced 30% credit rate (rather than 6% base rate).

Deadline: Records must be available for IRS examination; applicable entity certifications must be filed with registration portal upon claim

Source: IRC §48(a)(10), §48(a)(16); Treasury Final Rule 26 CFR Part 1 (December 12, 2024); DOL Notice on IRA Prevailing Wage

Maintain detailed records of the qualified investment basis, including the cost of property, interconnection costs, and construction period allocation, to substantiate the credit amount claimed.

Deadline: Documentation prepared at time of placement in service and retained for IRS audit period (generally 3–6 years)

Source: IRC §48(a)(16); Treas. Reg. §1.48-12 (Final Regulations, December 12, 2024)

Maintain records demonstrating that the property qualifies as 'energy property' under IRC §48(c), including performance specifications, manufacturer certifications, and proof of commercial availability or testing for novel technologies.

Deadline: Documentation obtained at time of acquisition and retained for IRS examination (3–6 years from filing)

Source: IRC §48(a)(16); Treas. Reg. §1.48-12(d), (f) (December 12, 2024)

For Section 48D (Advanced Manufacturing) credits, confirm that the facility qualifies as an advanced manufacturing facility (e.g., semiconductor, solar panel, battery manufacturing) and that construction began after August 9, 2022 but before January 1, 2027.

Deadline: Determination made upon placement in service; certification must be provided if required by Treasury allocation process

Source: IRC §48D; Final Regulations on §48D Credit (2024); IRS Notice 2023-44

If property is part of a qualified investment credit facility (Section 48(a)(5)), an election must be made to treat it as energy property for Section 48 credit; simultaneously, no Section 45 production credit may be claimed for the same facility in any year.

Deadline: Election made on the first Form 3468 filed claiming the credit for such property

Source: IRC §48(a)(5), §48(a)(5)(B); IRS Form 3468 Part I