"Another fire at PA nuclear plant and a scram..." 10/28/25
Susquehanna - Full Reactor SCRAM & Fire in Switchyard
U.S. Nuclear Regulatory Commission
Operations Center
Operations Center
EVENT REPORTS FOR
10/28/2025 - 10/29/2025
10/28/2025 - 10/29/2025
EVENT NUMBERS
58012
58012
Power Reactor
Event Number: 58012
Facility: Susquehanna
Region: 1 State: PA
Unit: [2] [] []
RX Type: [1] GE-4,[2] GE-4
NRC Notified By: Kenneth Hulbert
HQ OPS Officer: Kerby Scales Notification Date: 10/28/2025
Notification Time: 22:57 [ET]
Event Date: 10/28/2025
Event Time: 19:04 [EDT]
Last Update Date: 10/28/2025
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS Actuation - Critical 50.72(b)(2)(xi) - Offsite Notification
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS Actuation - Critical 50.72(b)(2)(xi) - Offsite Notification
Person (Organization):
Young, Matt (R1DO)
Grant, Jeffery (IRMOC)
McKenna, Philip (NRR EO)
Young, Matt (R1DO)
Grant, Jeffery (IRMOC)
McKenna, Philip (NRR EO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 2 | A/R | Y | 100 | 0 |
Event Text
RPS ACTUATION AND OFFSITE NOTIFICATION
The following is a summary of information provided by the licensee via phone and email:
At 1904 EDT on 10/28/2025, there was a full reactor scram at Susquehanna Unit 2 from 100 percent power.
The following is a summary of information provided by the licensee via phone and email:
At 1904 EDT on 10/28/2025, there was a full reactor scram at Susquehanna Unit 2 from 100 percent power.
All systems operated as expected, and the plant is stable in mode 3 with decay heat removal via the main condenser.
The cause of the scram is under investigation. Unit 1 was not affected.
Concurrent with the Unit 2 scram, the control room received a report of a fire outside of the protected area near
Concurrent with the Unit 2 scram, the control room received a report of a fire outside of the protected area near
the Susquehanna Steam Electric Station 500-kilovolt switchyard. The local fire department responded to the site
with lights and sirens active which caused heightened public concern on social media. An event of potential
public interest notification was made to the Pennsylvania Emergency Management Agency (PEMA).
It was determined no fire existed, no actions were taken by the offsite fire company, and no personnel
were injured during the event.
Whether the reported fire and the reactor scram are related, is being investigated.
This event is being reported under 10 CFR 50.72(b)(2)(iv)(B) and 10 CFR 50.72(b)(2)(xi) for the unplanned
Whether the reported fire and the reactor scram are related, is being investigated.
This event is being reported under 10 CFR 50.72(b)(2)(iv)(B) and 10 CFR 50.72(b)(2)(xi) for the unplanned
actuation of the reactor protection system while the reactor is critical and for the offsite notification to PEMA.
The NRC Resident Inspector has been notified.
The NRC Resident Inspector has been notified.
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