Electric service for residents in Nogales was interrupted Friday.
A power outage was scheduled for Friday night into early Saturday morning.
According to Joe Barrios with TEP, about 7,100 customers were affected. Power was restored at 3:30 a.m.
According to UniSource Energy Services (UES), the purpose of the outage is to complete repairs and upgrades at a local substation.
For updates on the outage, visit UESAZ.