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First construction permit issued for BWRX-300 SMR in the US
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Fusion42 · 30 September 2026 · Fusion42 review
The US Nuclear Regulatory Commission issued the first construction permit for the Tennessee Valley Authority's GE Vernova Hitachi BWRX-300 small modular reactor at the Clinch River site, marking the first US permit for a commercial SMR. This approval accelerates the licensing pathway and sets a precedent for future BWRX-300 projects domestically and internationally.
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
Advanced nuclear energy is entering build phase in the US with the first SMR construction permit. You in cleantech and energy should engage US utilities and regulators now as the market opens for modular nuclear deployment.
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4 sources · first reported 29 Sep 2026 · latest 30 Sep 2026
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