UPDATE: As of Monday morning, most power outages have been resolved.  The Springfield City Utilities outage map is showing 23 customers without electricity in the city. 

Original Story:   

Over 800 customers are without power including areas near Fremont Hills, around Oak Grove and in north Springfield.

City Utilities says the outages started happening Sunday afternoon. Crews are working on the problem.

Crews are working on the problem. You can view the outage map here.