Squirrels that had gotten into an Ameren substation near New Athens left residents in the area without power Sunday evening.
About 750 customers lost power at around 7:15 p.m., according to Ameren spokesman Brian Bretsch.
Ameren crews switched the affected circuit to another power source within the station, restoring power at around 8:45 p.m.
Crews will make necessary repairs to the circuit, but the repairs will not cause outages.
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