UPDATE, 2:15 p.m.
Appalachian Power crews are out in force as the weight of a record-setting snowfall has brought down power lines all across the region.
More than 25,000 customers are without electricity with more than 1,000 in Scott County in the dark, according to APCo data.
Old Dominion Power reports more than 1,700 of its customers have had power knocked out since Sunday morning in Lee, Wise and Russell counties.
BrightRidge is working to restore electric service to over 600 customers in its service district.
Heavy, wet snow has done damage to the power grid in portions of the Mountain Empire.
Appalachian Power, whose regional electric territory stretches from Kingsport in Northeast Tennessee to Smyth County, Virginia, is currently reporting more than 3,400 customers are without power service.
APCo spokesperson John Shepelwich said Sunday repair crews from sister agencies with Indiana-Michigan Power reported to Northeast Tennessee on Saturday to assist in power restoration and more crews are expected to arrive on Sunday.
Old Dominion Power is reporting sporadic outages in their power districts that include Lee and Wise counties and the City of Norton.
More than 700 customers are without power due to heavy snow in the BrightRidge service areas in Northeast Tennessee.