Monthly Customer Communications

Rate Information and Customer Notices

Safety Information
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
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
South Dakota
Third Party Notice (September 2020)
South Dakota Annual Electric Rate Review (August 2020)
South Dakota Natural Gas Energy Efficiency Programs (Oct 2020)
South Dakota Transmission Cost Recovery Rider & Infrastructure Rider (May 2020)
Notice to Customers of Filing (Mar 2020)
Conservation Program Tracking Rate 90 (Mar 2020)
LIEAP Heating Assistance (Oct 2020)
Wyoming
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