The latest regulations on solar container power station tax payment policy

Treasury issued new guidance on August 15, 2025, narrowing how large solar projects can qualify for the federal Investment Tax Credit (ITC). Solar developers, manufacturers, and investors are now adjusting to new regulatory realities that will shape project economics. On July 4, 2025, President Trump signed into law a sweeping budget reconciliation bill commonly known as the “ One Big Beautiful Bill Act ” (the Act). The Act includes the following significant transition provisions and other changes with respect to energy tax credits: adopts foreign entity of. Unlike solar and wind, which had their construction cutoff dates moved up, BESS projects will remain eligible for the investment tax credit (ITC) and production tax credit (PTC) under sections 48E and 45Y respectively. This post will provide a brief overview of the ITC and describe how solar, storage, and wind projects can. For years, eligible businesses have been able to claim a 30% federal tax credit on qualified solar investments—including both commercial rooftop solar and ground-mounted systems—dramatically reducing upfront costs and improving project ROI.