LANCASTER COUNTY – Constellation Energy will conduct its semi-annual, full-volume test of the emergency warning sirens surrounding Peach Bottom Clean Energy Center on Wednesday, June 5 around 1 p.m. This is one of two semi-annual tests performed each year. The warning siren system consists of 97 sirens located in the 10-mile radius around the Peach Bottom facility. The sirens are not a signal to evacuate, but a warning to tune to a local Emergency Alert Broadcast radio or TV station.