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Megaload transportation requires overnight planned power outages for some NorthWestern Energy customers

Date: Dec 1, 2023

TYPE: News

Butte, Mont. – Dec. 1, 2023 – The night-time transportation of a mega load from southern Montana to Canada will require NorthWestern Energy to de-energize some power lines along the route for safety, resulting in planned power outages for some NorthWestern Energy electric customers.

Customers who will have a planned service outage will receive an automated phone message from NorthWestern Energy prior to the outage.

Some customers in Twin Bridges, Sheridan, Alder and Virginia City will have planned service outages overnight from Dec.3 to 4 and Dec. 4 to 5.

Some customers in Ennis will have planned service outages overnight from Dec.5 to 6. 

Some customers in Toston, Townsend, Winston, East Helena, Helena, and Wolf Creek will have planned service outages overnight from Dec. 7 to 8, Dec. 10 to 11, Dec. 11 to 12 and Dec. 12 to 13. 

Does NorthWestern Energy have your current contact information for notifications, such as planned power outages?

Customers can verify that their current contact phone number is included in their account information at My Energy Account at or by calling NorthWestern Energy’s Customer Service Center at 888-467-2669.

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NorthWestern Energy - Delivering a Bright Future

NorthWestern Energy provides essential energy infrastructure and valuable services that enrich lives and empower communities while serving as long-term partners to our customers and communities. We work to deliver safe, reliable, and innovative energy solutions that create value for customers, communities, employees, and investors. We do this by providing low-cost and reliable service performed by highly-adaptable and skilled employees. We provide electricity and / or natural gas to approximately 764,200 customers in Montana, South Dakota, Nebraska, and Yellowstone National Park. We have provided service in South Dakota and Nebraska since 1923 and in Montana since 2002.


Media Contacts:

Jo Dee Black