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Susquehanna 1 - Plant Information & Status

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

Current Reactor Status

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Current power output from NRC daily reactor status reports. Shows the most recent power level as a percentage of rated capacity, along with a 14-day power history.

Ratings 63 votes

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Community ratings from NukeWorker members. Vote to share your experience working at this facility. Results show the breakdown of Above Average, Average, and Below Average ratings.

Capacity Factor (365-Day)

0%
Current
91.4%
365-Day Avg
#89
of 94 plants
Min: 0% Max: 100% 25 days <80%

Scram History 10 events since 2011

10
Total
6
Automatic
4
Manual
5.2
Avg Recovery (days)
Recent Events
2025-07-21 Manual MANUAL REACTOR SCRAM The following information was provided ...
2023-11-09 Manual MANUAL REACTOR SCRAM The following information was provided ...
2022-05-22 Auto AUTOMATIC REACTOR SCRAM The following information was provid...
2021-11-29 Auto EN Revision Imported Date: 12/30/2021 EN Revision Text: UNIT...
2021-07-20 Auto EN Revision Imported Date: 8/20/2021 EN Revision Text: AUTOM...
2020-05-02 Auto AUTOMATIC REACTOR SCRAM DUE TO MAIN TURBINE TRIP "At 0821 ED...
2017-06-07 Auto AUTOMATIC REACTOR SCRAM AFTER MAIN TURBINE CONTROL LOGIC LOS...
2015-11-11 Auto AUTOMATIC REACTOR SCRAM "At 1132 hours [EST] on November 12,...
+2 more events

Performance Charts

Outage Duration Trend

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Scheduled refueling outage durations over time. Green bars are below average, yellow near average, red above. Dashed line shows the plant's historical average. Shorter outages mean better execution.

Power History (12-Month)

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Daily power output as a percentage of rated capacity over the past 365 days. Green segments indicate full power (90%+), yellow shows reduced output, and red indicates significant power reductions or shutdowns.

Outage Timeline

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Visual timeline of all recorded outages. Blue bars are scheduled refueling outages, red bars are forced/unplanned outages. Width represents outage duration. Hover for details.

Facility Statistics

Lifecycle & Tenure
Operating Age: 42.8 Yrs
Build Time: 9.6 Yrs
Lic. Remaining: 16.3 Yrs
Production & Power
Lifetime CF: 88.2%
Efficiency: 31.6%
Generated: 262.6 TWh
Reliability & Outages
Record Run: 716 Days
Refuelings: 14

Ownership & Construction

Owner/Operator: Talen Energy
Architect Engineer: BECH
Constructor: BECH

Technical Specs

Reactor Type: BWR
Containment: BWR-MARK 2
NSS Supplier: GE 4
Thermal Power: 3952 MWt
Net Capacity: 1247 MWe
Efficiency: 31.6%
Status: Operating

Licensing

Docket #: 05000387
License #: NPF-14
License Type: OL-FP
Const. Permit: 1973-11-03
Operating Lic: 1982-07-17
Commercial Op: 1983-06-08
License Renewed: 2009-11-24
License Exp: 2042-07-17

Facility Map

41.0918, -76.1477

Location & Contact

Address:
634 Salem Boulevard
Berwick, PA 18603, USA
Get Directions
Phone: (717) 542-3300

Breaker-to-Breaker Runs 4 runs

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Breaker-to-breaker runs measure continuous operation between refueling outages (470+ days). An active streak means the unit has been running continuously since the last refueling. Longer runs indicate better reliability.
683
Best Run (days)
2008-04-18 → 2010-03-02
621
Avg Run (days)
All Runs
2018-08-25 2020-03-28 581 days
2008-04-18 2010-03-02 683 days
2004-04-24 2005-10-29 553 days
2000-05-06 2002-03-02 665 days