DOE Approves Safety Plan for Bryan Reactor Project

The U.S. Department of Energy finalized safety approvals for a pilot reactor project at the Texas A&M-RELLIS campus.

Updated on Oct. 21, 2026 in Nuclear

DOE Approves Safety Plan for Bryan Reactor Project

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The U.S. Department of Energy approved the Documented Safety Analysis for the Last Energy PWR-5 pilot reactor in early October 2026. This decision follows the approval of a preliminary analysis for the project in May 2026.

Why it matters

The reactor project aims to address rising national demand for electricity fueled by population growth, manufacturing, and artificial intelligence development. It serves the university's research mission by hosting advanced energy technology testing.

The PWR-5 is a 5-megawatt nuclear reactor located on the 3,300-acre Texas A&M-RELLIS campus. The site supports research activities, including site characterization and environmental evaluations for small modular reactors.

The players

U.S. Department of Energy

This federal executive department is responsible for United States energy policy and the management of the nuclear weapons program.

Texas A&M University System

This public university system oversees multiple institutions and large-scale research initiatives across the state of Texas.

Terrestrial Energy Inc.

This private company specializes in the development of modular reactor technologies for clean energy generation.

The details

The Texas A&M System is developing the RELLIS Energy Proving Ground to facilitate collaboration between researchers, government agencies, and private firms. In June 2026, the system also signed agreements with Terrestrial Energy Inc. to further advance small modular reactor development at the site.

May 2026: DOE approved the Preliminary Documented Safety Analysis.
June 2026: Texas A&M signed agreements with Terrestrial Energy Inc.
Early October 2026: DOE approved the final Documented Safety Analysis.

The Big Picture

The RELLIS Energy Proving Ground establishes a framework for testing modular nuclear reactors in a controlled academic environment. This reactor project serves as a cornerstone of the facility, extending its mission to host multiple advanced nuclear technologies.

The project aims to demonstrate safe, low-power criticality for small modular reactors at the RELLIS campus. These developments could eventually lead to new, reliable energy sources for the power grid.

The takeaway

Small modular reactors are being tested in academic settings to help solve long-term electricity capacity issues. Readers should note that this project is part of a broader shift toward integrating private research with government-backed energy infrastructure.