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Terrestrial Energy IMSR - Texas A&M-RELLIS

Developer
Terrestrial Energy / Texas A&M University System
Capacity
390 MWe
Last updated
10/3/2026

Project overview

Reactor type
IMSR (Integral Molten Salt Reactor)
Announced
2/1/2025
Projected operational
12/31/2035

Notes

Terrestrial Energy and The Texas A&M University System signed agreements for the commercial deployment of IMSR reactor and related R&D projects at Texas A&M-RELLIS in Bryan, TX. The agreements provide exclusive access to approximately 77 acres. The IMSR design is a graphite moderated, LEU once-through fueled, fluoride molten salt reactor with power output of 390 MWe / 884 MWth using a replaceable reactor core architecture. NRC permitting process has been initiated for the site. Texas A&M University selected Terrestrial Energy's IMSR plant in a competitive process in February 2025 for deployment at its RELLIS campus near Bryan, Texas, supplying clean heat and power to the campus and demonstrating the technology for commercial scale-up; Terrestrial signed ground lease agreements with the university system for the site. The selection followed Terrestrial's completion of Canada's CNSC Vendor Design Review Phase 2 in 2023, a regulatory first for a Generation IV reactor in Canada. The plant design is rated at 390 MWe (about 882 MWth); earlier records for this site carried 195 MWe, the single-module rating.

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