Event Notification Report for August 09, 2025
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
08/08/2025 - 08/09/2025
EVENT NUMBERS
57857
57857
Power Reactor
Event Number: 57857
Facility: Turkey Point
Region: 2 State: FL
Unit: [3] [] []
RX Type: [3] W-3-LP,[4] W-3-LP
NRC Notified By: Arturo Alvarez
HQ OPS Officer: Jordan Wingate
Region: 2 State: FL
Unit: [3] [] []
RX Type: [3] W-3-LP,[4] W-3-LP
NRC Notified By: Arturo Alvarez
HQ OPS Officer: Jordan Wingate
Notification Date: 08/09/2025
Notification Time: 14:20 [ET]
Event Date: 08/09/2025
Event Time: 11:13 [EDT]
Last Update Date: 08/09/2025
Notification Time: 14:20 [ET]
Event Date: 08/09/2025
Event Time: 11:13 [EDT]
Last Update Date: 08/09/2025
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS Actuation - Critical 50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS Actuation - Critical 50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation
Person (Organization):
Davis, Bradley (R2DO)
Davis, Bradley (R2DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 3 | A/R | Y | 100 | Power Operation | 0 | Hot Standby |
AUTOMATIC REACTOR TRIP
The following information was provided by the licensee via phone and email:
"At 1113 EDT on August 9, 2025, with Unit 3 in mode 1 at 100 percent power, the reactor automatically tripped due to a turbine control system failure. The trip was uncomplicated with all systems responding normally post-trip. Operations stabilized the plant in mode 3. Decay heat is being removed by steam generators. Unit 4 is not affected. This event is being reported pursuant to 10CFR50.72(b)(2)(iv)(B).
"An actuation of the auxiliary feed water system (AFW) occurred during the Unit 3 reactor trip. The AFW system automatically started as designed. This event is being reported pursuant to 10CFR50.72(b)(3)(iv)(A).
"The NRC Resident Inspector has been notified."
The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:
The cause of the turbine control system failure is under investigation.
The following information was provided by the licensee via phone and email:
"At 1113 EDT on August 9, 2025, with Unit 3 in mode 1 at 100 percent power, the reactor automatically tripped due to a turbine control system failure. The trip was uncomplicated with all systems responding normally post-trip. Operations stabilized the plant in mode 3. Decay heat is being removed by steam generators. Unit 4 is not affected. This event is being reported pursuant to 10CFR50.72(b)(2)(iv)(B).
"An actuation of the auxiliary feed water system (AFW) occurred during the Unit 3 reactor trip. The AFW system automatically started as designed. This event is being reported pursuant to 10CFR50.72(b)(3)(iv)(A).
"The NRC Resident Inspector has been notified."
The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:
The cause of the turbine control system failure is under investigation.