Sirens went off several times between 10 a.m. and noon Wednesday in the San Onofre area, possibly the final drill from the San Onofre Nuclear Generation Station.

People who live in the 27 municipalities surrounding the Susquehanna nuclear plant in Salem Township will have to endure more rounds of siren testing now that a new system is replacing a faulty ...

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Local News Duke Energy sounds nuclear sirens Wednesday as part of routine testing Duke Energy's testing ensures its emergency equipment is operating properly at its nuclear stations.

OAK RIDGE, Tenn. (WATE) — Those in and around Oak Ridge may hear sirens next week as testing is conducted on the public warning siren system. Consolidated Nuclear Security (CNS), which operates ...

Ontario, N.Y. — The R.E. Ginna Nuclear Power Plant will be sounding its alarms Tuesday afternoon. The facility is conducting its annual test of all 96 sirens within the plant's 10-mile radius ...

The Palo Verde Nuclear Generating Station and other agencies will test out 50 outdoor warning sirens in the far West Valley on Wednesday.

Sirens sounded near the Oconee Nuclear Station early Tuesday morning.