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Prairie Island 2 - Plant Information & Status

Technical specifications, contact data, ratings, and licensing history for the Prairie Island facility.

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Current Reactor Status

Capacity Factor (365-Day)

100%
Current
88.3%
365-Day Avg
#77
of 94 plants
Min: 0% Max: 100% 46 days <80%

Ratings

Prarie Island
Above Average
16 (38%)
Average
10 (23%)
Below Average
16 (38%)
Total Members Voted: 9

Facility Statistics

Lifecycle & Tenure
Operating Age: 51.3 Yrs
Build Time: 6.5 Yrs
Lic. Remaining: 8.6 Yrs
Production & Power
Lifetime CF: 88.5%
Efficiency: 30.9%
Generated: 109.6 TWh
Reliability & Outages
Record Run: 709 Days
Refuelings: 15

Scram History 8 events since 2011

8
Total
6
Automatic
2
Manual
3.3
Avg Recovery (days)
Recent Events
2024-10-28 Auto AUTOMATIC REACTOR TRIP The following information was provide...
2024-03-02 Auto AUTOMATIC REACTOR TRIP DUE TO LOSS OF MAIN FEEDWATER PUMP SU...
2023-05-26 Auto NOTIFICATION OF UNUSUAL EVENT DUE TO MULTIPLE FIRE ALARMS IN...
2015-12-16 Auto UNUSUAL EVENT DECLARED DUE TO FIRE ALARM IN CONTAINMENT NOT ...
2015-06-06 Auto AUTOMATIC REACTOR TRIP RESULTING FROM TURBINE TRIP ON LOW OI...
2015-04-02 Manual MANUAL REACTOR SCRAM DUE TO LOSS OF MAIN FEEDWATER PUMP "On ...
2012-02-20 Manual MANUAL REACTOR TRIP DUE TO FEEDWATER HEATER HI HI ALARM "Dur...
2011-05-08 Auto AUTOMATIC REACTOR TRIP UPON TURBINE TRIP DUE TO MAIN GENERAT...

Ownership & Construction

Owner/Operator: Xcel Energy
Architect Engineer: FLUR
Constructor: NSP

Technical Specs

Reactor Type: PWR
Containment: PWR-DRYAMB
NSS Supplier: WEST 2LP
Thermal Power: 1677 MWt
Net Capacity: 519 MWe
Efficiency: 30.9%
Status: Operating

Licensing

Docket #: 05000306
License #: DPR-60
License Type: OL-FP
Const. Permit: 1968-06-25
Operating Lic: 1974-10-29
Commercial Op: 1974-12-21
License Renewed: 2011-06-27
License Exp: 2034-10-29

Facility Map

44.622, -92.6331

Location & Contact

Address:
1717 Wakonade Drive East
Welch, MN 55089, USA
Get Directions
Phone: (612) 388-1121

Per Diem Data

Photos