Aug. 28--CLINTON -- Officials at Clinton Power Station are investigating a malfunction in the power supply that caused the plant to automatically shut down Sunday night.

The plant shut down at 5:05 p.m. after a power source to some instrumentation malfunctioned. The instrumentation controlled one of the reactor's two recirculation pumps and the high pressure core spray system.

All system components responded accordingly.

The plant will return to service after appropriate repairs are made.