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Energy Sector One Big Beautiful Bill Act New Guidance

A&O Shearman

Highlights of the New Sections 45Y and 48E Wind and Solar Beginning-of-Construction Guidance

A&O Shearman on

On July 4, 2025, Public Law 119-21, commonly known as the One Big Beautiful Bill Act (the “OBBBA”), became law and enacted significant changes to various renewable energy incentives, including the clean electricity production...more

Pierce Atwood LLP

IRS Issues New Beginning of Construction Guidance for Solar and Wind Facilities

Pierce Atwood LLP on

On August 15, 2025, the Internal Revenue Service (IRS) issued Notice 2025-42 to address the beginning of construction (BOC) requirements for solar and wind projects under sections 45Y and 48E of the Internal Revenue Code...more

Paul Hastings LLP

IRS and Treasury Tighten Beginning-of-Construction Rules for Wind and Solar

Paul Hastings LLP on

On Aug. 15, the U.S. Treasury Department and the Internal Revenue Service (IRS) released IRS Notice 2025-42, narrowing the rules for what qualifies as “beginning of construction” (BOC) under the One Big Beautiful Bill Act...more

Vinson & Elkins LLP

Beginning of Construction Guidance Eliminates 5% Safe Harbor (for Wind and Solar), but Physical Work Test Survives

Vinson & Elkins LLP on

On August 15, 2025, the Department of Treasury and the Internal Revenue Service (“IRS”) released guidance for wind and solar facilities under Sections 45Y and 48E (the “Tech-Neutral Tax Credits”) in the form of IRS Notice...more

McGuireWoods LLP

IRS Notice 2025-42 Leaves Beginning of Construction Guidance for Wind and Solar Mostly Unchanged, But Limits 5% Safe Harbor to...

McGuireWoods LLP on

On Aug. 15, 2025, the U.S. Internal Revenue Service issued Notice 2025-42 addressing the beginning of construction for wind and solar facilities under Section 45Y and 48E of the Internal Revenue Code of 1986, as amended. The...more

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