UPDATE: Huntsville Utilities said at 10:11 p.m. Sunday that service was restored to the majority of customers.
Huntsville Utilities is responding to a power outage in Redstone Arsenal.
The power company reported the outage at 9:10 p.m. Sunday night.
The cause of the outage is not known at this time. Huntsville Utilities power outage map does not show any part of Redstone Arsenal, so it's unclear exactly how much of the Arsenal has been affected.