Project PlanningAdvanced Non-LWR
Project Tetra
📍 TXDeveloper: Terrestrial EnergyVendor / Tech: Terrestrial Energy
Capacity
392 MW
Expected Operation
2026
Reactor Type
Molten Salt Reactor (IMSR)
Regulatory Status
DOE OTA signed Jan 2026 for Reactor Pilot Program; ground lease (≈77 acres) and research agreements signed with Texas A&M System June 2026; site characterization (Zachry Nuclear engineering services) under way to support a future NRC construction permit application.
Details
Primary Use
Demonstration / industrial heat
Construction Start
2026
Research detail · verified 2026-10-10
Stage
Site and developer chosen
Commercial power
No (test, research, military or demonstration)
Key dates
2025 MOU with Texas A&M System (Energy Proving Ground); 2025-09-30 conditional pilot selection; 2026-01 OTA signed with DOE; 2026-06-23 ground lease and research agreements signed
Not verified / conflicts
Merged 10 Oct 2026 from two research rows (pilot and commercial plant) on the same lease. Capacity: ANS 2026-07-02 says 390 MWe; ANS 2026-06-23 says 392 MWe/882 MWt. Zachry agreement from search summary. Unclear whether Project TETRA pilot and the commercial IMSR plant are the same physical unit; no stated operation date found.
Sources
- https://www.ans.org/news/2026-06-23/article-8139/terrestrial-energy-and-texas-am-reach-agreement-on-reactor-siting/
- https://ir.terrestrialenergy.com/news-releases/news-release-details/terrestrial-energy-and-texas-am-university-system-sign
- https://www.ans.org/news/article-8178/the-deadline-arrives-checking-in-on-the-reactor-pilot-program/
- https://www.bryantx.gov/news/posts/america-s-nuclear-energy-race-accelerates-at-texas-am-rellis/
- https://www.ans.org/news/tag-reactor pilot program/step-1767983475/
Key Organizations
Developer
Terrestrial Energy
State Policy Context
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