Regulation · Permit
NRC issues TVA Clinch River Unit 1 BWRX-300 construction permit (first U.S. commercial SMR CP for design; 14-month review)
On Sep 29 2026 the U.S. Nuclear Regulatory Commission issued a construction permit to the Tennessee Valley Authority for Clinch River Unit 1, a GE Vernova Hitachi Nuclear Energy BWRX-300 small modular reactor (~300 MW) at TVA's Clinch River Nuclear Site near Oak Ridge, Tennessee.
NRC says this is the nation's first commercial small modular reactor construction permit of this kind and that the safety-focused review finished in 14 months, ahead of schedule (second advanced reactor construction permit in the U.S. after TerraPower). TVA previously held an early site permit for the site (2019).
A separate NRC operating license is still required before fuel load and operations; no construction start date has been announced. Energy-for-AI / large-load relevance: TVA and federal officials framed advanced nuclear as supporting regional demand and national energy/AI infrastructure goals.
Jurisdiction: United States/Tennessee/Roane County/Oak Ridge · Effective 2026-09-29
Machine-readable surfaces
- Markdown mirror: /regulations/nrc-clinch-river-bwrx-300-construction-permit-2026.md
- JSON-LD: embedded in this page’s head
- REST API: /v1/regulations/22db926f-8349-4845-9953-e297e7e4c377
- Data documentation: /data
- Query this programmatically: Deploy MCP
Sources (4)
- https://www.nrc.gov/about-nrc/news-releases/2026/26-079 · 2026-09-29
- https://www.nrc.gov/reactors/new-reactors/advanced/who-were-working-with/applicant-projects/clinch-river.html · 2026-09-29
- https://www.prnewswire.com/news-releases/tva-first-us-utility-to-receive-construction-permit-for-bwrx-300-advanced-nuclear-reactor-302893324.html · 2026-09-29
- https://x.com/NRCgov/status/2104974977984287190 · 2026-09-29
Status history
- active · 2026-09-29 · editor:digest-1pm-sep29-2026
NRC issued construction permit for TVA Clinch River Unit 1 BWRX-300 on Sep 29 2026. Construction permit only; operating license still required.
Common questions
What does NRC issues TVA Clinch River Unit 1 BWRX-300 construction permit (first U.S. commercial SMR CP for design; 14-month review) cover?
Where does NRC issues TVA Clinch River Unit 1 BWRX-300 construction permit (first U.S. commercial SMR CP for design; 14-month review) apply?
When did NRC issues TVA Clinch River Unit 1 BWRX-300 construction permit (first U.S. commercial SMR CP for design; 14-month review) take effect?
Is NRC issues TVA Clinch River Unit 1 BWRX-300 construction permit (first U.S. commercial SMR CP for design; 14-month review) still in effect?
What types of robots does NRC issues TVA Clinch River Unit 1 BWRX-300 construction permit (first U.S. commercial SMR CP for design; 14-month review) apply to?
Methodology: Unreviewed · 4 sources (no primary) · last reviewed 2026-09-29
Verification posture
Unreviewed
Low confidence
Review state
Stable
Last reviewed 2026-09-29
Sources by quality tier
- 4
- unclassified
- Unclassified source
The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.
Methodology surface for NRC issues TVA Clinch River Unit 1 BWRX-300 construction permit (first U.S. commercial SMR CP for design; 14-month review).Canonical ID 22db926f-8349-4845-9953-e297e7e4c377