Rubuta ci gaba ga wannan sakin layi - A 1993, Union Electric ya yi gwagwarmaya da ambaliyar ruwa na shekaru 500
a cikin St. Louis Metropolitan yankin daga kumbura Missouri da Mississippi Rivers. A cikin 1994, Union Electric ta raba kyautar Edison ta masana'antu tare da Midwest Power Systems, Inc., na Des Moines, Iowa, don aikinsu na ba da sabis na lantarki ga abokan ciniki yayin bala'in ambaliyar 1993.