Insights
Tax insights, strategies and technical explanations
June 11, 2026Historical
§179D Deadline Rapidly Approaching: Begin Construction before June 30, 2026The §179D deduction deadline is approaching. Learn how to preserve eligibility by starting construction before June 30, 2026 and maximize potential tax benefits.
Read article 179DApril 27, 2026
Restoring American Energy Dominance: The Act that Could Restore §179D, §45L, §48E and MoreCongressman Brian Fitzpatrick, in partnership with North America’s Building Trades Unions, introduced the American Energy Dominance Act, a bipartisan proposal to restore long‑term certainty to critical federal energy tax…
Read article 179DMarch 18, 2026
New IRS Form 7220: Critical for Verifying Compliance to Unlock Boosted Tax IncentivesIRS has recently introduced Form 7220, Prevailing Wage and Apprenticeship (PWA) Verification and Corrections, to report compliance with PWA requirements for claiming increased tax credits or deductions. This form is…
Read article 179DOctober 28, 2025
2026 Inflation Adjustment Raises §179D Deduction to $5.94 with PWAThe §179D Energy Efficient Commercial Buildings Deduction has been adjusted for inflation in 2026, offering enhanced tax incentives for energy-efficient new construction as well as retrofits. To qualify, construction of…
Read article 179DOctober 10, 2025
Prevailing Wage Compliance Maximizes Energy Efficiency and Renewable Energy IncentivesThe Inflation Reduction Act of 2022 introduced powerful energy-related tax incentives under Sections 179D, 45L, and 48E of the Internal Revenue Code.
Read article 179DJuly 16, 2025
179D Tax Deduction Terminated by the One Big Beautiful BillThe One Big Beautiful Bill Act ended the 179D deduction in 2026. To qualify for the §179D deduction, construction must begin before June 30, 2026.
Read article 179DMarch 31, 2025
Navigating the Complexities of IRC §179D: Why Expert Guidance is EssentialThe IRS has updated its Practice Unit on the §179D Energy Efficient Commercial Buildings Deduction.
Read article 179DOctober 2, 2024
Tax Court Case: Lighting Contractor Failed to Meet Definition of “Designer”, Denied §179D Energy Efficient Commercial Building Property DeductionIn a 2024 case, United States of America v. Oehler et al, the tax court denied the Energy Efficient Commercial Building Deduction under IRC §179D to a lighting contractor for work they performed upon public schools since…
Read article 179DJune 21, 2024
IRS Released Final Regulations for Satisfying Prevailing Wage and Apprenticeship Requirements for Green Tax IncentivesThe IRS recently released Announcement 2024-24, notifying taxpayers that Reference Standard 90.1-2022 is the applicable reference standard required under the §179D Energy Efficient Commercial Building Deduction for…
Read article 179DMay 23, 2024Historical
§179D Energy Efficient Commercial Building Deduction Future Reference StandardsThe IRS recently released Announcement 2024-24, notifying taxpayers that Reference Standard 90.1-2022 is the applicable reference standard required under the §179D Energy Efficient Commercial Building Deduction for…
Read article 179DFebruary 15, 2024
Maximum §179D Deduction Increased to $5.65 for 2024An exciting aspect in 2024 is the inflationary increase of the maximum §179D Deduction to $5.65 per square foot for projects meeting the prevailing wage and apprenticeship requirements and $1.13 per square foot for those…
Read article 179DMarch 15, 2023
Tax Court Case: Engineering Firm Overstated §179D Energy Efficient Commercial Building Property DeductionIn a recent case, Michael Johnson, et ux. v. Commissioner, the tax court denied the majority of a taxpayer’s Energy Efficient Commercial Building Deduction under IRC §179D since it claimed a §179D Deduction exceeding the…
Read article 179DMarch 6, 2023Historical
New IRS Form 7205 for the §179D Energy Efficient Commercial Building DeductionThe IRS recently published Form 7205 and the corresponding Instructions for taxpayers claiming the §179D Energy Efficient Commercial Building Deduction.
Read article 179DJanuary 9, 2023Historical
IRS Clarifies the Applicable ASHRAE Reference Standards for the §179D Energy Efficient Commercial Building DeductionThe §179D Deduction requires energy modeling whereby the building is compared to the same building constructed to the minimum requirements of a specified ASHRAE 90.1 Reference Standard. In Announcement 2023-1, the IRS…
Read article 179DDecember 9, 2022Historical
Satisfying Prevailing Wage Requirements to Maximize the §179D Energy Efficient Commercial Building Deduction and the §45L Energy Efficient Home CreditIRS published Notice 2022-61 to explain how taxpayers can meet prevailing wage requirements to obtain higher credits and deductions with the §45L Energy Efficient Home Credit and the §179D Energy Efficient Commercial…
Read article 179DAugust 22, 2022Historical
The Inflation Reduction Act Significantly Changes the 179D Energy Efficient Commercial Building DeductionThe existing 179D rules continue through December 31, 2022, with new rules going into effect for property placed in service January 1, 2023.
Read article 179DJuly 26, 2022Historical
IRS Releases Updated Practice Unit for Auditing the 179D Energy Efficient Commercial Buildings DeductionThe IRS Large Business and International Division released an updated Practice Unit for its agents to audit the 179D Energy Efficient Commercial Buildings Deduction. It confirms that taxpayers can use the ASHRAE Standard…
Read article 179DNovember 1, 2021Historical
The Proposed 'Build Back Better Act' Makes Significant Changes to the 45L and 179D Energy Efficiency Tax IncentivesThe Build Back Better Act, if passed, has some significant changes to the 45L Energy Efficient Home Credit (45L Credit) and the 179D Energy Efficient Commercial Building Deduction (179D Deduction).
Read article 179DJune 8, 2021Historical
Biden's 2022 Tax Proposals Bolster the 45L and 179D Energy Efficiency Tax IncentivesThe Department of the Treasury has issued detailed information about the Biden Administration's tax proposals for fiscal-year 2022.
Read article 179DApril 13, 2021HistoricalProposed Legislation Would Bolster the 45L and 179D Energy Efficiency Tax Incentives
Proposed GREEN Act aims to bolster both the 45L Energy Efficient Home Credit and the 179D Energy Efficient Commercial Building Deduction tax incentives.
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