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The following information was provided by … The following information was provided by the licensee via phone and email:</br>At 1552 EDT on October 14, 2025, with Unit 1 in mode 1 at 100 percent power, the reactor automatically tripped due to a turbine trip. The trip was not complex with all systems responding normally post-trip.</br>Operations responded and stabilized the plant. Decay heat is being removed by the emergency feedwater system.</br>Due to the reactor protection system actuation while critical, this event is being reported as a 4-hour, non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B) and an 8-hour, non-emergency notification per 10 CFR 50.72(b)(3)(iv)(A) for valid actuation of the reactor protection and emergency feedwater systems. There was no impact on the health and safety of the public or plant personnel. The NRC resident inspector has been notified.</br>The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:</br>A generator field breaker lockout occurred. In addition, a small fire was observed in the generator field breaker and extinguished in less than 15 minutes by the onsite fire brigade. The unit is stable in hot standby with emergency feedwater and main condenser steam dumps in-service.and main condenser steam dumps in-service. +
19:52:00, 14 October 2025 +
17:47:00, 14 October 2025 +
19:52:00, 14 October 2025 +
The following information was provided by … The following information was provided by the licensee via phone and email:</br>At 1552 EDT on October 14, 2025, with Unit 1 in mode 1 at 100 percent power, the reactor automatically tripped due to a turbine trip. The trip was not complex with all systems responding normally post-trip.</br>Operations responded and stabilized the plant. Decay heat is being removed by the emergency feedwater system.</br>Due to the reactor protection system actuation while critical, this event is being reported as a 4-hour, non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B) and an 8-hour, non-emergency notification per 10 CFR 50.72(b)(3)(iv)(A) for valid actuation of the reactor protection and emergency feedwater systems. There was no impact on the health and safety of the public or plant personnel. The NRC resident inspector has been notified.</br>The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:</br>A generator field breaker lockout occurred. In addition, a small fire was observed in the generator field breaker and extinguished in less than 15 minutes by the onsite fire brigade. The unit is stable in hot standby with emergency feedwater and main condenser steam dumps in-service.and main condenser steam dumps in-service. +
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100 +
00:00:00, 25 October 2025 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
11:20:02, 27 October 2025 +
17:47:00, 14 October 2025 +
true +
-0.0867 d (-2.08 hours, -0.0124 weeks, -0.00285 months) +
19:52:00, 14 October 2025 +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.