Federal regulatory agency
Appears in 5 stories · Last updated Oct 19, 2026
Issued Hermes 2 construction permits
Kairos Power raised $643 million for its Hermes 2 reactor in Oak Ridge, Tennessee: $368 million from private investors including Google Ventures, DCVC and Samsung C&T, and $275 million from the US Department of Energy. Bloomberg reported the total in October 2026, quoting chief executive Mike Laufer. Kairos has not issued its own release on the round.
Updated Oct 19
Regulator that renewed the AP1000 design certification on October 14, 2026
The U.S. Nuclear Regulatory Commission renewed the design certification for Westinghouse's AP1000 reactor on October 14, 2026, extending it 40 years through 2066. The direct final rule incorporates Revision 20 of the design control document, which reflects the as-built configuration of the two AP1000 units at Vogtle Electric Generating Plant in Georgia.
Updated Oct 18
As of September 2026: Issuing authority for the permit
The U.S. Nuclear Regulatory Commission on September 29 granted Tennessee Valley Authority a construction permit for a small modular reactor at its Clinch River site near Oak Ridge, Tennessee. It is the first SMR construction permit issued in the United States, clearing TVA to build a 300-megawatt BWRX-300 designed by GE Vernova Hitachi Nuclear Energy.
Updated Sep 29
As of September 2026: Must approve restart license
A shuttered Iowa nuclear plant is getting federal money to come back online. The Department of Energy closed a loan of up to $1.9 billion on September 8 to help NextEra Energy restart the Duane Arnold Energy Center, which a 2020 derecho knocked offline.
Updated Sep 9
As of May 2026: Gatekeeper for every SMR build
A reactor small enough to fit on a flatbed truck started trading on the Nasdaq on Tuesday. Hadron Energy raised about $31 million in the deal, though it hasn't built a reactor yet. It now has to convince regulators, utilities, and AI hyperscalers that its 10-megawatt Halo design can produce power by the end of the decade.
Updated May 26
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