UPDATE 12:05 p.m.: Rocky Mountain Power reports power has been restored to most customers.
A power outage in Rexburg is affecting 553 customers.
Rocky Mountain Power said the outage started at 11:09 a.m. A crew is investigating the cause.
At this time, the utility estimates power should be restored by 4:15 p.m.
A contractor is conducting excavation work on Rimrock Drive, but it is not clear if the outage is related to that work at this time.