KNOXVILLE, Tenn. (WATE) — Many service providers across East Tennessee are still working to restore electric service after severe storms moved through the area on Monday.

According to Knoxville Utilities Board, around1,603 people are without power as of 10 a.m. Wednesday. The utility service added more than 170 crews are working throughout their service area on Wednesday.

“The damage from severe storms this afternoon is widespread and extensive. Crews began working immediately to assess the damage and make repairs, and approximately 40,000 customers are without power. Due to the severe and widespread nature of the damage, we expect restoration efforts to span multiple days. Estimated restoration times will become available tomorrow once damage has been assessed,” KUB shared on Twitter on Monday.

As many as 11,000 in Jefferson County lost power following the storms, according to Appalachian Electric Cooperative.

Sevier County Electric System reported nearly 5,000 without power at its peak.

At the height of the outages, Volunteer Energy Cooperative Outage Map reported more than 10,000 customers were without power across its service area which includes Cumberland, McMinn, Roane, Fentress and eight other counties.

Editor’s Note: This story has been updated.