Some 2,500 customers in Kalihi were left without power for about three hours Thursday.
The cause was not immediately known.
Hawaiian Electric Company said the outage started about 6:30 p.m. and affected about 2,470 customers.
HECO crews are en route to the scene out of outage that occurred around 6:30 p.m. Thursday.
Copyright 2015 Hawaii News Now. All rights reserved.
PHOTOS: Sand sculptures in Waikiki
PHOTOS: Hawaiian Air welcome first Airbus A321neo
PHOTOS: Honolulu City Lights Christmas tree arrives
SLIDESHOW: Black Friday 2017 Deals
PHOTOS: Queen Liliuokalani's death remembered 100 years later