Cause of substation explosion under investigation
The cause of Sunday’s explosion of the St. Joe’s substation along Washington Street in Brainerd was not yet known Monday.
Brainerd Public Utilities (BPU) Superintendent Scott Magnuson said Monday the insurance company is investigating how the St. Joe’ substation exploded. Magnuson said the switch was 10 years old, but he couldn’t say if it malfunctioned or if the explosion was caused by something else.
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