SMRTR Science & EngineeringOct 19, 2025Interesting Engineering

Last Energy to build 5 MW nuclear reactor to demonstrate safe, low-power criticality

SMRTR summary

Last Energy will build a 5-megawatt PWR-5 nuclear microreactor at Texas A&M University's research campus, marking the company's first US reactor deployment. The privately-funded pilot project, fast-tracked through the Department of Energy's licensing program following President Trump's executive order, will initially demonstrate safe low-power operations before generating grid electricity. Testing begins summer 2025, potentially ushering in a new era of scalable microreactor technology for American energy innovation.

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