Energy Efficiency Sustainability Uncategorized Department of Energy Launches 179D Portal The Inflation Reduction Act of 2022 revised the 179D deduction, creating two pathways to compliance. The Department of Energy (DOE) has launched the 179D Portal, making it easier for building owners to estimate federal tax deductions for energy-efficient improvements. This new tool helps evaluate potential deductions through both traditional and alternative compliance pathways for qualifying upgrades, starting in tax … Continued