Texas SMR

News and timeline

Dated events, newest first. Each line links to its source.

  1. Oct 9, 2026 The NRC published a draft environmental impact statement for Fermi America's four proposed AP1000 reactors at its Project Matador campus. Public comments are due November 23, 2026. These are large reactors, not SMRs. [Federal Register]
  2. Oct 7, 2026 Last Energy said the Department of Energy approved the Documented Safety Analysis for its pilot reactor at Texas A&M-RELLIS. The company said the next step is DOE's readiness review, before startup authorization. [Last Energy]
  3. Sep 22, 2026 The NRC held its uncontested hearing on the Long Mott construction permit application in Port Lavaca. [Federal Register]
  4. Jun 18, 2026 The Texas A&M University System signed a ground lease with Terrestrial Energy for about 77 acres at its RELLIS campus. The land is for Terrestrial's Integral Molten Salt Reactor. [Texas A&M]
  5. May 28, 2026 Last Energy said the Department of Energy approved the Preliminary Documented Safety Analysis for its PWR-5 pilot reactor project at Texas A&M-RELLIS. [Last Energy] [Texas A&M]
  6. May 18, 2026 The NRC issued an environmental assessment and finding of no significant impact for Long Mott, the four-reactor Xe-100 project at Dow's Seadrift site in Calhoun County. [Federal Register] [X-energy]
  7. May 14, 2026 Applications were due for the state's two advanced nuclear grant programs. The state now lists both requests for applications as closed. [Governor] [TANEO]
  8. Apr 1, 2026 Texas opened applications for $350 million in advanced nuclear grants: $70 million for project development and supply chain, and $280 million for construction. [Governor] [POWER]
  9. Sep 1, 2025 House Bill 14 took effect. It created the Texas Advanced Nuclear Energy Office and the Texas Advanced Nuclear Development Fund. [HB 14] [TANEO]
  10. May 12, 2025 The NRC accepted the Long Mott construction permit application for review (docketed). Long Mott Energy had submitted it March 31, 2025. [Federal Register] [NRC]
  11. Feb 4, 2025 The Texas A&M System named Kairos Power, Natura Resources, Terrestrial Energy and Aalo Atomics as the first companies for a nuclear proving ground at RELLIS. [Texas A&M]
  12. Sep 16, 2024 The NRC issued a construction permit for the Molten Salt Research Reactor at Abilene Christian University. It's a research reactor of up to 1 megawatt thermal, designed with Natura Resources. [Federal Register] [ACU]