Millstone 1, a 652 MWe GE BWR shut down in 1995, is in SAFSTOR on the site of Dominion's operating Millstone Units 2 and 3. The owner plans to keep it in safe storage until 2048, and the NRC estimates closure in 2056.
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Current state
| Status | SAFSTOR |
| Country | United States |
| Location | Waterford, Connecticut |
| Site | Millstone Power Station |
| Units | Unit 1 |
| Unit count | 1 |
| Reactor types | BWR |
| Net capacity (MWe) | 652 |
| Owner / licensee | Dominion Nuclear Connecticut |
| Strategy | Deferred (SAFSTOR) |
| Final shutdown | 1995-11-04 |
| Target completion | 2056 |
| Spent fuel | Fuel moved to the spent fuel pool in November 1995; site holds a general-license ISFSI. |
Notes
SAFSTOR until 2048 per NRC page.
Timeline
- 1970-12-28 — Millstone 1 entered commercial operation. (source)
- 1995-11-04 — Unit 1 was shut down. (source)
- 1998-07-21 — The licensee certified permanent cessation of operations to the NRC. (source)
The timeline is append-only: corrections are added as new entries. Stated targets appear in the current-state table, never as milestones.
Related sites
- Barsebäck Nuclear Power Plant Active dismantling · Sweden
- Berkeley (Magnox) SAFSTOR · United Kingdom
- Bradwell (Magnox) SAFSTOR · United Kingdom
- Crystal River Unit 3 Site restoration · United States
- Dresden Unit 1 SAFSTOR · United States
- Duane Arnold Energy Center Restart planned · United States
- Dungeness B Fuel removal · United Kingdom
- Fermi Unit 1 (Enrico Fermi Atomic Power Plant) SAFSTOR · United States
See all 72 sites in the Nuclear Decommissioning Tracker →
Sources
- Millstone - Unit 1 — U.S. NRC (primary), checked 2026-10-11
- Locations of Power Reactor Sites Undergoing Decommissioning — U.S. NRC (primary), checked 2026-10-11