MANUAL REACTOR TRIP
Millstone (CT), 06/11/2026
"At 0339 EDT on June 11, 2026, control element assembly '14' dropped to the bottom of the core.
"To stabilize plant conditions, the reactor was manually tripped at 0341. This resulted in the actuation of the reactor protection system (RPS) when the reactor was critical and is being reported as a four-hour non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B).
"There was no impact on the health and safety of the public or…
https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2026/20260612en.html#en58314