Treasury Department Adds Restrictions to Beginning of
Under the OBBBA, wind and solar facilities that begin construction (within the meaning of the Code, as further discussed below) after July 4, 2026 must be placed in service by December 31, 2027 in order
The IRS Sets New "Beginning Construction" Guidance
The New Rules Notice 2025-42 is effective for wind and solar projects that begin construction after September 2, 2025, and before July 4,
Treasury Guidance Narrows Beginning of Construction
Wind and solar projects can start construction before September 2, 2025, by beginning physical work of a significant nature or incurring 5% of
Start of Construction For Solar and Wind Projects in a Post-OBBBA
The changes made by the One Big Beautiful Bill Act (OBBBA) leave only a short window for solar and wind projects to be eligible for clean electricity tax credits under Sections 45Y and 48E,
IRS Issues Guidance on Beginning of Construction for
The Notice applies to wind and solar facilities, the construction of which did not begin (as determined under section 5 of Notice 2022-61) prior to September 2,
IRS Guidance on Wind & Solar Tax Credit Deadlines
Projects must begin construction before July 5, 2026, to remain eligible. If construction begins before this date, the project may qualify under the four-year continuity safe harbor.
IRS Issues New Begin Construction Rules for Solar and Wind
Accordingly, any solar or wind project that has successfully begun construction as of today, or will begin construction in the next ~2 weeks, can continue to utilize the Five Percent Safe Harbor and/or the
New Construction-Start Rules for Wind and Solar
Developers starting construction of new solar or wind projects during the period September 2, 2025 through July 4, 2026 will have four years to finish after the year construction starts.
IRS Notice 2025-42: Guidance for Wind and Solar Tax
IRS Notice 2025-42 redefines “beginning of construction” rules for wind and solar projects claiming clean energy tax credits. Key deadlines vary by
Beginning of Construction for Solar and Wind Facilities: What''s
Under the OBBB, wind and solar facilities must either 1) be placed in service by Dec. 31, 2027, or 2) BOC within one year after enactment of the OBBB (i.e., by July 3, 2026).
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