About 1,500 Ameren customers in the Bethalto area were without power for a portion of Monday morning, and the reason is one we’ve heard before.  Although is started as a reduced-power event for some, power was eventually knocked completely out for those affected. 

Ameren spokesman Brian Bretsch says the outage lasted an hour and a half.

Click here for Bretsch's comments

He says the substations have fencing around them to try and keep both humans and animals out, but notes squirrels often jump over the fence, occasionally causing these outages. 

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