On Monday, June 1st at 2:00 PM, and again on Tuesday, June 2nd at various intervals throughout the day, Constellation will conduct its semi-annual, full-volume test of the emergency warning sirens surrounding Limerick Clean Energy Center (formerly known as "Limerick Generating Station"). This is one of two semi-annual tests performed each year. There is no emergency or cause for concern.
 

The warning siren system consists of sirens located in the 10-mile radius around Limerick Clean Energy Center in Montgomery, Chester, and Berks Counties. In a real event, the sirens are not a signal to evacuate, but a warning to tune to a local Emergency Alert Broadcast television or radio station.