A multistate power outage Thursday left as many as 95,000 customers in Wyoming without electricity, according to some reports, and may have caused a fire at the Dave Johnston coal-fired power plant near Glenrock.

The outages affected more than 10% of Wyoming customers and extended into portions of western South Dakota, according to reports.

“We believe the outage, which began around 12:45 p.m., was triggered by two tripped 500-kilovolt lines near Medicine Bow, Wyoming,” Western Area Power Administration Public Affairs Specialist Stephen J. Collier said in a statement. “This incident resulted in an abnormal voltage event that subsequently tripped a number of surrounding lines, including WAPA transmission, resulting in further power outages to communities across the area.”

By 4:30 p.m., e

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