KNOXVILLE, Tenn. (WATE) – Over 34,000 Knoxville Utility Board customers were temporarily without power after an outage Wednesday morning.

KUB announced that power to all customers in West Knoxville had been restored after a substation issue caused over 34,000 customers to be without power.

Outage Map reported 20,855 of its 214,456 customers are without power as of 10:15 a.m. Most outages were clustered along I-40 in West Knoxville and Western Avenue.

Knoxville Utility Board outage map as of 10:15 a.m. Wednesday. May 27

Crews are investigating the cause of the outage. This is a developing story and we’ll continue to update the details as they become available.