MARSEILLES – Operators at LaSalle County Generating Station declared an “usual event” at 8:12 a.m. Monday due to a faulty fire alarm that activated. The event was terminated within an hour.
Operators verified there was no fire and deactivated the alarm within 20 minutes, according to a news release from the station.
The fire detector will be replaced.
Both units continue to operate at full power.
Nuclear Regulatory Commission regulations require operators to terminate a fire alarm within 15 minutes or designate the activation of an “unusual event.”
An unusual event is the lowest emergency level in the NRC’s emergency classification system.
Station personnel notified all appropriate federal, state and local government officials.