Monticello Nuclear Generating Plant Unit 1 – Subsequent License Renewal: NRC subsequent licence renewal review for Northern States Power Company, a Minnesota corporation — issued, 21.9 months from docketing to decision. Sourced dates and schedule.
Background: NRC reactor licensing process, explained · The ADVANCE Act, explained: what changed and where the NRC stands
Current state
| Type | Subsequent licence renewal |
| Outcome | Issued |
| Applicant | Northern States Power Company, a Minnesota corporation |
| Facility | Monticello Nuclear Generating Plant (Monticello 1) |
| Docket | 50-263 |
| Submitted | 2023-01-09 |
| Docketed (accepted for review) | 2023-03-03 |
| NRC planned schedule | — |
| NRC target date | — |
| Final safety evaluation | 2024-03-18 |
| Decision | 2024-12-30 |
| Review time (docketed → decision) | 21.9 mo |
| Submitted → decision | 23.7 mo |
| 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
First SLR decided after Revision 2 of the License Renewal GEIS (Aug 2024); issuance FR notice cites the new Category 1/2 issues of Rev. 2. No FR notice establishing a Licensing Board was found for this application in an FR API search (2017-10 to 2026-10). NRC decision target: originally 2024-12, latest 2024-12. Schedule: Original Schedule Letter (February 23, 2023) and Revised Schedule Letter (October 28, 2024) listed on NRC page; decision target stayed December 2024 in both archived and current page.
Timeline
- 2023-01-09 — Application submitted. (source)
- 2023-03-03 — FR notice of acceptance and opportunity for hearing. (source)
- 2024-03-18 — Safety evaluation issued. (source)
- 2024-03-18 — Final safety evaluation issued. (source)
- 2024-11-15 — Final SEIS issued. (source)
- 2024-12-30 — Subsequent renewed license DPR-22 issued. (source)
- 2024-12-30 — Issued. (source)
The timeline is append-only: corrections are added as new entries. See the NNN Data License Terms for reuse of the event history.
Related reviews
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- Edwin I. Hatch Nuclear Plant Units 1 and 2 – Subsequent License Renewal Issued · 11.9 mo
- H.B. Robinson Steam Electric Plant Unit 2 – Subsequent License Renewal Issued · 11.8 mo
- Dresden Nuclear Power Station Units 2 and 3 – Subsequent License Renewal Issued · 18.1 mo
- Browns Ferry Nuclear Plant Units 1, 2 and 3 – Subsequent License Renewal Issued · 20.7 mo
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See all 75 reviews in the NRC Licensing Review Tracker →
Sources
- https://www.nrc.gov/licensing-applications/power-reactor-licensing/monticello-nuclear-generating-plant-unit-1-subsequent-license-renewal-application
- https://www.federalregister.gov/documents/2023/03/03/2023-04443
- https://www.federalregister.gov/documents/2025/01/03/2024-31579
- https://web.archive.org/web/20230329/https://www.nrc.gov/reactors/operating/licensing/renewal/applications/monticello-subsequent.html
- https://www.nrc.gov/about-nrc/news-releases/2025/nrc-renews-monticello-operating-license-second-time
- https://www.nrc.gov/licensing-applications/operating-reactor-licensing/reactor-license-renewal/status-subsequent-license-renewal-applications