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Duke Energy to test sirens on Wednesday, July 9, 2025

The 59 outdoor warning sirens around the Robinson Nuclear Plant will be tested for five to 30 seconds between 1 p.m. and 5 p.m. on Wednesday July 9, 2025, as scheduled. To ensure they are functioning properly, it may be necessary to test some sirens more than once. Follow-up testing after siren maintenance may be required.

Testing is performed in cooperation with emergency management officials in Chesterfield, Darlington and Lee counties, who are responsible for sounding the sirens. Because this is a test, local broadcasting stations will not interrupt regular programming to broadcast Emergency Alert System (EAS) messages. If there was ever a real emergency at the plant requiring the sirens to be sounded, local radio and television stations would broadcast information and instructions to the public.

For more information about the outdoor warning sirens, please refer to information available at Robinson Nuclear Plant Emergency Planning Guide.