TUCSON, Ariz. (13 News) – An electrical fault at a substation caused a massive power outage for TEP customers on Wednesday, Nov. 12.
TEP said the incident happened at a 46-kilovolt substation that “provides service to several areas of town.”
The outage, which impacted more than 18,000 customers at its height, started around 2 p.m. TEP said it lasted for one hour and 10 minutes…