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NRC Licensing Review Tracker

Nine Mile Point Nuclear Station Unit 1 – Subsequent License Renewal

Under review · Subsequent licence renewal · Operating fleet

Nine Mile Point Nuclear Station Unit 1 – Subsequent License Renewal: NRC subsequent licence renewal review for Constellation Energy Generation, LLC — under review. Sourced dates and schedule.

Background: NRC reactor licensing process, explained · The ADVANCE Act, explained: what changed and where the NRC stands

Current state

TypeSubsequent licence renewal
OutcomeUnder review
ApplicantConstellation Energy Generation, LLC
FacilityNine Mile Point Nuclear Station (Nine Mile Point 1)
Docket50-220
Submitted2026-03-25
Docketed (accepted for review)2026-04-23
NRC planned schedule—
NRC target date—
Final safety evaluation—
Decision—
Review time (docketed → decision)—
Submitted → decision—
NRC-reported review duration—
NRC-reported resources vs estimate—

Review time is measured in average months from the date the NRC docketed the application to the decision. The NRC's own reported durations may measure to the final safety evaluation instead.

Notes

Pending. Whether the 12-month schedule was set because of EO 14300 is not stated on the plant page (it follows the Robinson/Hatch 12-month pattern). NRC decision target: originally 2027-04, latest 2027-04. Schedule: Published schedule: draft EA 11/2026, final EA 01/2027, SER 03/2027, decision 04/2027 (12 months from acceptance).

Timeline

  • 2026-03-25 — Application submitted. (source)
  • 2026-04-23 — Docketing acceptance. (source)
  • 2026-04-29 — FR notice of acceptance; hearing requests due June 29, 2026. (source)

The timeline is append-only: corrections are added as new entries. See the NNN Data License Terms for reuse of the event history.

NNN coverage

About Constellation Energy

Related reviews

See all 75 reviews in the NRC Licensing Review Tracker →

Sources

  1. https://www.nrc.gov/licensing-applications/power-reactor-licensing/nine-mile-point-unit-1-subsequent-license-renewal-application
  2. https://www.federalregister.gov/documents/2026/04/15/2026-07289
  3. https://www.federalregister.gov/documents/2026/04/29/2026-08276
  4. https://www.nrc.gov/licensing-applications/operating-reactor-licensing/reactor-license-renewal/status-subsequent-license-renewal-applications