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US NRC approves construction of nation's first small modular nuclear reactor
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Fusion42 · 29 September 2026 · Fusion42 review
The US Nuclear Regulatory Commission approved a construction permit for the Tennessee Valley Authority to build the first commercial small modular reactor in the US at the Clinch River site in Tennessee, marking a significant regulatory milestone in nuclear energy.
This Wire brief sits within Fusion42's coverage of Climate Tech, and 4 sources have reported it between 29 Sep 2026 and 30 Sep 2026.
◆ ◆ The Wire takeaway
You can now plan for a concrete market in small modular nuclear reactors as regulatory approval signals construction readiness. Nuclear start-ups and suppliers related to reactor components and regional power utilities have an immediate opportunity to engage with TVA’s build on the Clinch River site.
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4 sources · first reported 29 Sep 2026 · latest 30 Sep 2026
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