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NWE Contact Bar, in Montana dial 1-888-467-2669, in South Dakota or Nebraska dial 1-800-245-6977
Important Message  Due to a system maintenance scheduled to begin at 6pm on Thursday, November 14th, our Contact Centers will be staffed for emergency purposes only on Friday, November 15th and our Walk-in Offices will be closed on Friday, November 15th. Normal business hours will resume on Monday, November 18th. Access to Online Customer Care services will be unavailable during this system maintenance.


Feb 25, 2019

Sioux Falls, SD – South Dakota is knee-deep or more in snow and NorthWestern Energy reminds customers to make sure natural gas meters, as well as furnace and appliance vents, are free from snow and ice. Blocked vents could result in a loss of heat or buildup of deadly carbon monoxide in homes and other structures. Some furnace vents may be located on roofs.

We also encourage customers to clear snow away gently from natural gas meters. This will help prevent a natural gas regulator from freezing over, which would interrupt the normal flow of natural gas into a home or building.

If you have any questions, call the NorthWestern Energy South Dakota and Montana Customer Service line, 800-245-6977.

At 5 a.m. Monday. Feb. 25, the National Weather Service reported the following snow on the ground totals: Aberdeen, 17 inches; Huron, 9 inches; Brookings, 12 inches; Mitchell, 13 inches.

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About NorthWestern Energy (NYSE: NWE)
NorthWestern Energy provides electricity and natural gas in the Upper Midwest and Northwest, serving approximately 718,300 customers in Montana, South Dakota and Nebraska. More information on NorthWestern Energy is available on the company's website at

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