11:45 P.M. UPDATE:
The number of people affected by power outages in Washoe County has dropped to slightly less than 1,800, according to NV Energy's outage map.
The cause of an outage in northwest Reno has been identified as a pole or wire being down. The cause of other outages in the county remains under investigation.
The outage in northwest Reno was estimated to be restored by 11 p.m., but remained active as of 11:45 p.m.
Other area outages have no estimate for when they will end.
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10:10 P.M. UPDATE:
The number of people without power in Washoe County has climbed to more than 4,500, according to NV Energy's outage map.
The number of people affected by outages in northwest Reno has decreased, but additional outages have popped up across the county.
The cause remains unknown f