DELTA, PA—Constellation Energy will conduct its semi-annual, full-volume test of the emergency warning sirens surrounding Peach Bottom Clean Energy Center on Wednesday, June 4, 2025.
The test will take place at approximately 1 p.m. EDT and the siren will sound for three minutes. 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 Peach Bottom. The sirens are not a signal to evacuate, but a warning to tune to a local Emergency Alert Broadcast television or radio station. County emergency management authorities activate the sirens.
Peach Bottom Clean Energy Center is located on the bank of Conowingo Pond in York County, Pennsylvania, however officials say the siren may be heard in northern Baltimore County, MD and northern Harford County, MD.
The plant produces enough carbon-free electricity to power the equivalent of more than 2 million homes.
Photo via the York County Office of Emergency Management
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