Summary table of domestic solar container projects

The US Treasury updated a table last week that is used to calculate the domestic content of solar, onshore wind and storage projects to determine whether they qualify for bonus tax credits. The updated table is in Notice 2025-08. The US Treasury updated a table last week that is used to calculate the domestic content of solar, onshore wind and storage projects to determine whether they qualify for bonus tax credits. The updated table is in Notice 2025-08. The updated table applies to domestic content calculations starting. The Table lists Manufactured Product Components (MPCs) and Applicable Project Components (APCs) used in solar projects. The IRS Notice 2025-08 can be found athttps:// Each MPC is assigned points that count toward the total Domestic Content percentage (100%. The U.S. Department of the Treasury released additional guidance on the Inflation Reduction Act’s domestic content tax credit bonus for solar and battery energy storage projects. The guidance today builds on the domestic content safe harbor that Treasury and the IRS published in May of 2024, which. At its simplest, the domestic content bonus boosts the value of federal clean energy tax credits when projects can prove enough of their equipment is manufactured in the United States. For projects using the Investment Tax Credit (ITC), the bonus can raise the credit rate by 10 percentage points. A. The IRS today released Notice 2025-8 which modifies the new elective safe harbor for the domestic content bonus credit under sections 45, 45Y, 48, and 48E provided in Notice 2024-41, after review of the comments received in response to Notice 2024-41. As explained in a related Treasury release. This guidance modifies Notice 2024-41 from May 2024 and includes a new safe harbor table with alternative cost percentages for projects with U.S. wafers and an adjusted safe harbor table for battery energy storage systems (BESS). What exactly changed from last year’s guidance, and what nuances.