The "Clean Cloud Act of 2025" amends the Clean Air Act to address the significant electricity consumption and associated emissions from data centers and cryptocurrency mining operations. Congress finds these facilities, particularly cryptomining, are increasingly energy-intensive, contributing to rising U.S. electricity demand and often powered by reactivated fossil fuel plants. The bill defines a "covered facility" as a data center or cryptomining facility with over 100 kilowatts of installed information technology power. To enhance transparency, the Administrator of the EPA, in conjunction with the Energy Information Administration, will annually collect detailed information from owners of covered facilities and their electric utilities. This data includes facility location, total annual electricity consumption, and the percentage of electricity from various generation sources, both grid-supplied and behind-the-meter. While certain consumption data will be confidential, other details, including greenhouse gas emissions intensity, will be made publicly available. The bill establishes an Emissions Performance Standard by setting regional greenhouse gas emissions intensity baselines for electric grids, to be published by December 31, 2025. These baselines will progressively decrease, aiming for zero emissions intensity by 2035. Beginning January 1, 2026, fees will be assessed on electric utilities and covered facilities whose electricity consumption exceeds their region's baseline, with the fee amount adjusted annually for inflation and increased by an additional $10. Electric utilities are prohibited from passing these fees on to non-covered facility customers, facing penalties for non-compliance. Covered facilities powered entirely by zero-carbon electricity generation assets are exempt from these fees. Funds collected will be appropriated for administrative costs, grants to lower residential electricity consumer costs, and "Clean Firm Grants." These grants will support the research, development, and deployment of zero-carbon electricity generation assets capable of high capacity factors or long-duration energy storage assets .