X-energy and Dow say NRC approved four Xe-100 reactors for Texas chemical site
X-energy and Dow announced on November 9th, 2026 that the NRC approved construction of four Xe-100 reactors at Dow's Seadrift site, with an operating license and Dow's final investment decision still ahead.
By RuntimeWire Staff · Published
Primary source: TechCrunch
Why it matters
The announcement makes Long Mott a test of whether an advanced reactor can move from an NRC construction permit to a financed build at a U.S. industrial site. Dow still has to make a final investment decision, and X-energy still needs an operating license, so the next evidence will come from capital approval, construction readiness and fuel supply. For founders in regulated hard tech, Long Mott shows a permit arriving while customer financing remains open.

X-energy and Dow announced on November 9th, 2026 that the NRC approved construction of four Xe-100 reactors at Dow's Seadrift site, with an operating license and Dow's final investment decision still ahead.
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