Manufacturing, Power / Energy Facility Sprinkler system puts out fire at nuclear power plant (Shippingport, PA) November 8, 2013 viking210 A nuclear power plant had an explosion as well as an electrical wiring fire occur on the evening of Tuesday, November 5. No one was injured, and the plant did not need to be evacuated; the plant did shut down to assess the incident. The plant’s fire sprinkler system, a deluge system, put out the fire, and the reactor at the plant was manually shut down. The exact cause of the fire remains under investigation.