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Millstone 2 - Plant Information & Status

Detailed technical specifications, licensing info, and upcoming refueling outage schedules for the Millstone 2 nuclear power facility.

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Millstone 2 Lifecycle: Commissioned Reactor: ONLINE

Dominion Generation · Millstone
Millstone Nuclear Generating Station Map
Millstone Nuclear Generating Station Map

Contact Information

Address: Rope Ferry Road
Waterford, CT 6385
Phone: (860) 444-5797

Technical Specifications

Reactor Type: PWR ( PWR-DRYAMB)
Net Output: 853 MWe
Thermal Power: 2700 MWt
Efficiency: 31.59%

Licensing & Regulatory Details

Docket #: 05000336
License #: DPR-65 ( OL-FP)
Construction Permit: 1970-12-11
Operating License: 1975-09-26
License Renewed: 2005-11-28
Commercial Ops: 1975-12-26
Expiration Date: 2035-07-31

Site History & Construction

NSS Supplier: COMB CE
Constructor: BECH
Architect Engineer: BECH

Current Reactor Status (NRC Data)

100%
ONLINE
Report Date:
March 20, 2026
Lifecycle: Commissioned | Reactor: ONLINE
Recent Power History
Date Power Level Visual
Mar 20 100%
Mar 19 100%
Mar 18 100%
Mar 17 100%
Mar 16 100%
Mar 13 100%
Mar 12 100%
Mar 11 100%
Mar 10 100%
Mar 9 100%
Mar 6 100%
Mar 5 100%
Mar 4 100%
Mar 3 100%

Upcoming Outage

Start Date Duration
2026-04-09 28 Days

Facility Statistics

Lifecycle & Tenure
Op. Age: 50.2 Yrs
Build Time: 5 Yrs
Lic. Remain: 9.4 Yrs
Production & Power
Lifetime CF: 88.4%
Efficiency: 31.6%
Generated: 179.7 TWh
Reliability & Outages
Record Run: 627 Days
Refuelings (Since '99): 17
Prediction Acc: 67%