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Prairie Island 1 Lifecycle: Commissioned Reactor: ONLINE
Northern States Power Company Minnesota doing business as Xcel Energy · Prairie Island
Contact Information
Address:
1717 Wakonade Drive East
Welch, MN 55089
Welch, MN 55089
Phone:
(612) 388-1121
Website:
http://www.xcelenergy.com
Technical Specifications
Reactor Type:
PWR (
PWR-DRYAMB)
Net Output:
521 MWe
Thermal Power:
1677 MWt
Efficiency:
31.07%
Licensing & Regulatory Details
Docket #:
05000282
License #:
DPR-42 (
OL-FP)
Construction Permit:
1968-06-25
Operating License:
1974-04-05
License Renewed:
2011-06-27
Commercial Ops:
1973-12-16
Expiration Date:
2033-08-09
Site History & Construction
NSS Supplier:
WEST 2LP
Constructor:
NSP
Architect Engineer:
FLUR
Upcoming Outage
| Start Date | Duration |
|---|---|
| 2026-10-12 | 30 Days |
Facility Statistics
Lifecycle & Tenure
Op. Age: 52.3 Yrs
Build Time: 5.5 Yrs
Lic. Remain: 7.4 Yrs
Production & Power
Lifetime CF: 88.6%
Efficiency: 31.1%
Generated: 110.0 TWh
Reliability & Outages
Record Run: 732 Days
Refuelings (Since '99): 15
Prediction Acc: 33%