News & Analysis as of

Solar Energy Clean Energy One Big Beautiful Bill Act

Akerman LLP

Start of Construction For Solar and Wind Projects in a Post-OBBBA World

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On August 15, 2025, the Treasury Department and the Internal Revenue Service (IRS) released Notice 2025-42 (the Notice) eliminating the safe harbor under which solar and wind projects could establish start of construction by...more

Mayer Brown

IRS Releases Updated OBBBA-Related Energy Credit Guidance

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On August 15, 2025, the US Department of the Treasury and the Internal Revenue Service (the “IRS”) issued Notice 2025-42 (the “August 2025 Notice”), providing critical guidance on the determination of when construction begins...more

A&O Shearman

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

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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

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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

Latham & Watkins LLP

Treasury Guidance Narrows Beginning of Construction Rules for Wind and Solar Projects

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Wind and solar projects seeking to begin construction before July 4, 2026, must meet stricter qualification criteria for some tax incentives....more

Paul Hastings LLP

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

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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

Jones Day

New "Beginning of Construction" Guidelines Issued for Wind and Solar Tax Credits

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The Internal Revenue Service ("IRS") has issued Notice 2025-42 to implement the One Big Beautiful Bill Act ("OBBBA") mandate to phase out the clean electricity production tax credit (§ 45Y) and investment tax credit (§ 48E)...more

Vinson & Elkins LLP

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

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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

Baker Botts L.L.P.

Clean Energy Tax Credits: New Guidance on Beginning of Construction for Wind and Solar Facilities

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On August 15, 2025, the Internal Revenue Service (the “IRS”) and the Department of the Treasury (“Treasury”) released new guidance on the “beginning of construction” for wind and solar facilities under the clean electricity...more

Husch Blackwell LLP

Treasury Guidance Tightens "Beginning of Construction" Standards for Clean Energy Tax Credits, Eliminating 5% Safe Harbor for Wind...

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On August 15, 2025, the Internal Revenue Service (IRS) issued Notice 2025-42, providing long-awaited guidance on the “beginning of construction” requirements for wind and solar facilities under Sections 45Y and 48E of the...more

Bracewell LLP

Treasury Department and IRS Issue New Beginning-of-Construction Guidance for Wind and Solar Facilities

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The One Big Beautiful Bill Act (which we discussed in a previous client alert) generally requires wind and solar facilities to begin construction before July 5, 2026, or be placed in service by December 31, 2027, to qualify...more

Holland & Knight LLP

IRS Releases New Beginning of Construction Rules for Clean Energy Tax Credits

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The IRS on Aug. 15, 2025, released Notice 2025-42, which provides new guidance on how taxpayers can establish that they have begun construction of a wind or solar facility for purposes of determining whether such facility is...more

McGuireWoods LLP

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

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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

Womble Bond Dickinson

The One Big Beautiful Bill: A Bonus for Equipment Finance

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The One Big Beautiful Bill Act was signed into law by President Donald Trump on July 4, 2025. The OBBB offers material benefits to the players in the equipment finance industry including lessors, lessees, lenders, borrowers,...more

Foley Hoag LLP - Energy & Climate Counsel

After the One Big Beautiful Bill Act, Could C-PACE for C&I Solar have its Moment in the Sun?

The recent passage of the One Big Beautiful Bill Act (OBBBA) has introduced significant hurdles to obtaining the tax equity financing upon which solar developers have traditionally relied. As the industry seeks to adapt to...more

Baker Botts L.L.P.

Wind and Solar on Public Land Face New Fee Regime Under Landmark Legislation

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The landscape of renewable energy development on federal lands is undergoing significant changes with the passage of the One Big Beautiful Act (“OBBA”). This legislation marks a notable departure from the prior discretionary...more

K&L Gates LLP

Navigating the One Big Beautiful Bill Act: Critical Updates to Clean Energy Credits

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President Donald J. Trump signed H.R. 1, the One Big Beautiful Bill Act (OBBBA), into law on 4 July 2025 in an afternoon signing ceremony at the White House (Pub. L. No. 119-21). Senate Majority Leader John Thune (R-SD)...more

McCarter & English, LLP

One Big Beautiful Bill Act Tax Law Updates—Energy Sector

On July 4, 2025, President Donald Trump signed into law the One Big Beautiful Bill Act (OBBBA) (P.L. 119-21), which includes a number of tax law changes that directly impact the energy industry. A significant number of the...more

Allen Matkins

Renewable Energy Update 7.17.25

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The budget reconciliation bill signed into law on July 4 (also known as the “One Big Beautiful Bill”) adds a new provision to the National Environmental Policy Act (NEPA) that allows project sponsors/applicants to pay for...more

Paul Hastings LLP

‘One Big Beautiful Bill Act’ Signed Into Law and Executive Order With Major Impacts on Clean Energy Tax Credits

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On July 4, President Donald Trump signed into law the One Big Beautiful Bill Act (OBBBA), a budget reconciliation package that significantly modifies the clean energy tax credit framework established by the Inflation...more

Davis Wright Tremaine LLP

Trump Executive Order Introduces Further Uncertainty for Wind and Solar Projects

Days after signing into law the One Big Beautiful Bill Act (OBBBA), which dramatically rolled back the availability of federal tax credits for solar and wind power projects, President Trump issued an Executive Order (EO)...more

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