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Internal Revenue Service Clean Energy New Guidance

The United States Internal Revenue Service is a bureau of the United States Department of the Treasury. The IRS is charged with collecting revenue and enforcing the Internal Revenue Code.  
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

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

Stoel Rives LLP

IRS Issues Guidance Regarding Beginning of Construction Requirement for PTC and ITC

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The IRS today issued guidance regarding the “beginning of construction” requirement as it relates to the clean electricity production tax credit (PTC) under Internal Revenue Code Section 45Y and the clean electricity...more

Holland & Knight LLP

IRS Issues Updates for Energy Community Bonus Tax Credit

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The IRS released additional guidance on June 23, 2025, in the form of Notice 2025-31 (Notice) regarding the energy community bonus credit under Sections 45, 48, 45Y and 48E of the Internal Revenue Code. The Notice follows...more

Jones Day

Taxing Tangle: U.S. IRS Releases Guidance for Clean Hydrogen Production Tax Credit

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The U.S. Internal Revenue Service ("IRS") has released proposed regulations regarding the Clean Hydrogen Production Tax Credit introduced in the Inflation Reduction Act of 2022 ("IRA"). The proposed regulations provide more...more

Holland & Knight LLP

Treasury Department, IRS Issue Section 45Z Clean Fuel PTC Registration Guidance

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The U.S. Department of the Treasury and IRS released Notice 2024-49 on May 31, 2024, regarding the registration requirement and certain other limited guidance under Section 45Z of the Internal Revenue Code. Section 45Z...more

DarrowEverett LLP

New Domestic Content Adder Guidance: ‘Buy American’ is Back

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On May 16, 2024, the Department of the Treasury and the IRS announced the release of Notice 2024-41, which clarifies the safe harbor for classification of project components created in Notice 2023-38 and provides a new safe...more

Foley Hoag LLP - Energy & Climate Counsel

IRS Issues Guidance and Requests Comment on Provisional Emission Rate Process for Hydrogen Tax Credit

On April 10, 2024, Department of Treasury and the Internal Revenue Service (collectively, “IRS”) issued further guidance on the “Provisional Emission Rate” or “PER” process for the Inflation Reduction Act’s (“IRA”) Hydrogen...more

Holland & Knight LLP

Eyes on Energy Tax Update: Third Quarter 2023

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Eyes on Energy Tax Update is a regular publication of the Holland & Knight Renewable and Alternative Energy Tax Team that provides highlights of important developments. The Renewable and Alternative Energy Tax Team also...more

Bricker Graydon LLP

IRS Releases Guidance on Elective Payments

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On Wednesday, June 14, 2023, the IRS released its long-awaited initial guidance and proposed regulations regarding the newly created direct payment election methodology. The federal government created this new “elective...more

Ballard Spahr LLP

IRS Issues Guidance on Clean Energy Tax Credits

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Summary - The IRS recently released guidance with respect to the new tax credit direct payment and transferability rules created under the Inflation Reduction Act enacted last August. The guidance explains how to register...more

Pillsbury Winthrop Shaw Pittman LLP

Treasury Department Announces Additional Guidance and Timetable to Allocate $4 Billion in Qualifying Advanced Energy Project...

The application cycle for the first round of credits will soon open. Treasury’s additional guidance clarifies what types of facilities may qualify for credits, the submission process and the selection criteria for evaluating...more

Harris Beach Murtha PLLC

New Guidance on Inflation Reduction Act Credit for Advanced Energy Projects

On May 31, 2023, the Internal Revenue Service (“IRS”) released Notice 2023-44 (the “Notice”), which provides additional information regarding the Qualifying Advanced Energy Project Credit Allocation Program under § 48C (e) of...more

Perkins Coie

IRS Issues Guidance on Battery Sourcing Requirements for Clean Vehicle Tax Credits

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The Internal Revenue Service (IRS) published guidance on April 17, 2023, in the form of a Notice of Proposed Rulemaking (NPRM), detailing the critical minerals and battery components requirements under Section 30D of the...more

Bracewell LLP

IRS and Treasury Department Release Initial Guidance for Labor Requirements under Inflation Reduction Act

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On November 30, 2022, the IRS and the Treasury Department published Notice 2022-61 (the Notice) in the Federal Register. The Notice provides guidance regarding the prevailing wage requirements (the Prevailing Wage...more

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