The US Energy Information Administration tracks a expanding pipeline of small modular reactors and microreactors under development in the United States, reflecting a shift toward smaller, factory-built nuclear designs. The data catalog how many projects are moving through design and licensing.

Small modular reactors are generally defined as advanced reactors that generate up to 300 megawatts per unit, while microreactors are smaller still and aimed at remote sites, industrial users, and data centers. The EIA pipeline covers multiple developers pursuing Nuclear Regulatory Commission design approvals and construction permits, with deployment timelines extending across the late 2020s and into the 2030s. Many advanced designs rely on high-assay low-enriched uranium fuel that the United States is only beginning to produce domestically.

The data illustrate that the SMR sector has moved from concept toward a concrete set of licensed and near-licensed designs, though most commercial units remain years from operation. Total US federal investment in new nuclear has exceeded 10 billion dollars since 2020, supporting both the designs and the fuel supply chain they require. For utilities and large power users, the pipeline represents a future capacity option distinct from the large reactors that dominate today's fleet.

Source: U.S. EIA - https://www.eia.gov/todayinenergy/detail.php?id=67584