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Company: Faulty part caused Wisconsin power station fires

Posted at 10:04 AM, Oct 04, 2019
and last updated 2019-10-04 11:04:31-04

MADISON (AP) — A company said a faulty part caused fires at two transmission substations in Wisconsin’s capital that knocked out power to thousands of customers on a sweltering day in the summer.

American Transmission Company is in charge of the transformer that burst into flames at an electrical station in Madison in July. The company said a faulty voltage regulator sparked the fires.

The fires began July 19 when a transformer caught fire at the Madison Gas and Electric main power center. That sparked a second fire at a substation near the University of Wisconsin-Madison, prompting evacuations.

ATC Anne Spaltholz told Wisconsin Public Radio that typically a transformer automatically goes offline without a fire if equipment malfunctions.

No one was hurt. At its peak, more than 13,000 people were without power.