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Customer Notices

Spring Newsletter (May 2026)

Privacy Policy (March 2026)

Scam Awareness (March 2026)

Winter Outlook | Natural Gas Prices (November 2025)

Winter Outlook | Propane Prices (November 2025)

September Newsletter (2025)

Find Us on Social (March 2022)

Telephone Scam Alert

New Customer Packet

Safety Information

Your Gas Piping (April 2026)

Emergency Gas Shut Off (February 2026)

Keep Your Meter(s) Clear of Snow and Ice (January 2026)

RP1162 | Pipeline Safety and Public Awareness (December 2025)

Natural Gas Safety in Your Home (October 2025)

811 Call Before You Dig

RP1162 | Pipeline Safety and Public Awareness (June 2025)

Excess Flow Valve (June 2025)

What to Do in Case of a Natural Gas Leak

Dig Safe Around Utilities Brochure | en español

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Energy Efficiency Information

September Newsletter | Get Ready for Cold Weather (September 2023)

State Specific Information

Montana

Universal System Benefits Service Charge (May 2026)

Electric Interim Rate (April 2026)

Montana Residential LED Lighting Program (March 2026)

LIHEAP Heating Assistance (February 2026)

Notice of Annual Update | Electric & Gas Tax Tracking Adjustments (January 2026)

Montana Residential Energy Rebate Program (December 2025)

Gas Distribution Rate Increase Request (November 2025)

Third Party Notification (August 2025)

Natural Gas Interim Rate (February 2025)

North Dakota

Annual Update to the Generation Resource Recovery Rider (March 2026)

Renewable Resource Cost Adjustment (February 2026)

Annual Update to the Transmission Cost Adjustment (November 2025)

LIHEAP Heating Assistance (October 2025)

Natural Gas Rate Review (September 2025)

Third Party Notification (August 2025)

Electric Service Rates (August 2025)

Natural Gas Interim Rate Refund (March 2025)

South Dakota

South Dakota Transmission Cost Recovery Rider (May 2026)

Conservation Program Tracking Rate 90 (March 2026)

Infrastructure Rider (December 2025)

South Dakota Residential Energy Rebate Program (November 2025)

South Dakota Electric Rate Review (October 2025)

South Dakota Natural Gas Rate Review (October 2025)

LIEAP Heating Assistance (October 2025)

Third Party Notification (August 2025)

Wyoming

Power Supply Cost Adjustment Rates (May 2026)

Electric Rate Increase (April 2026)

Energy Share (February 2026)

LIEAP Heating Assistance (October 2025)

Annual Natural Gas Rate Review (August 2025)

Third Party Notification (August 2025)

Renewable Energy Rider Program (July 2025)

Notice of Filing | Renewable Energy Rider Rate 15 (April 2025)

Customer Notice

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Latest News

MDU Resources Announces Promotion of Travis Jacobson to Vice President of Regulatory Affairs

January 9, 2025

MDU Resources Announces Hart Gilchrist as Vice President of Business Development and External Affairs

January 7, 2025

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