Monthly Customer Communications
Rate Information and Customer Notices
Safety Information
Keep Your Meter(s) Clear of Snow and Ice
RP1162 | Pipeline Safety and Public Awareness (December 2020)
Dig Safe Around Utilities Brochure | en español
Pipeline Transmission Safety (December 2020)
Energy Efficiency Information
State Specific Information
Montana
Montana Residential LED Lighting Program (March 2021)
Natural Gas Interim Rates (February 2021)
Electric and Gas Tax Tracking Adjustments (January 2021)
Federal Heating Assistance (December 2020)
Annual Electric Rates (September 2020)
Resuming Disconnects and Late Fees (September 2020)
Third Party Notice (September 2020)
Montana Natural Gas Rate Increase Request (July 2020)
Montana Natural Gas Energy Efficiency Programs (Oct 2020)
Tax Tracking Adjustments (Jan 2020)
LIEAP Heating Assistance (Oct 2020)
North Dakota
Natural Gas Interim Rates (January 2021)
Annual Natural Gas Rate Review (November 2020)
Annual Update | Transmission Cost Adjustment (November 2020)
Annual Electric Rate Review (September 2020)
Third Party Notice (September 2020)
Notice of Annual Update | Transmission Cost Adjustment (August 2020)
South Dakota
South Dakota Transmission Cost Recovery Rider & Infrastructure Rider (March 2021)
South Dakota Natural Gas Annual Rate Review (October 2020)
Third Party Notice (September 2020)
South Dakota Annual Electric Rate Review (August 2020)
South Dakota Natural Gas Energy Efficiency Programs (Oct 2020)
Notice to Customers of Filing (Mar 2020)
LIEAP Heating Assistance (Oct 2020)
Wyoming
Third Party Notice (September 2020)
WY Renewable Energy Rider (2020)
Electric Prices Adjusted (May 2020)
Tax Cuts and Jobs Act Refund (Nov 2019)
Annual Natural Gas Rate Review (Oct 2019)
LIEAP Heating Assistance (October 2020)
WY Electric Tax Act (July 2019)
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