Customer Service Hours
7:30 AM-6:30 PM CST
24-Hour Emergency
877-267-4764
24-Hour Emergency
877-267-4764
Great Plains Natural Gas is a regulated utility under the jurisdiction of regulatory commissions in the states it serves. The rates and tariffs listed below are approved by each state’s regulatory commission. Following are links to each commission:
| Name | Effective Date |
|---|---|
| Table of Contents | 8/16/2021 |
| Contact List | 4/1/2021 |
| Communities Served | 4/1/2021 |
| Technical Terms and Abbreviations | 4/1/2021 |
| Residential Gas Service Rate 60 | 4/1/2021 |
| Firm General Service Rate 70 | 4/1/2021 |
| Small Interruptible Gas Sales Service Rate 71 | 4/1/2021 |
| Interruptible Grain Drying Gas Sales Service Rate 73 | 4/1/2021 |
| Interruptible Gas Transportation Service Rates 81 and 82 | 4/1/2021 |
| Large Interruptible Gas Sales Service Rate 85 | 4/1/2021 |
| Purchase Gas Adjustment Clause | 9/1/2021 |
| Purchased Gas Cost Adjustment | 12/1/2024 |
| Gas Event Surcharge | 3/1/2023 |
| Conservation Improvement Program - Adjustment Clause | 12/1/2024 |
| Franchise Fee Rider | 3/1/2023 |
| Gas Affordability Program | 9/1/2024 |
| Revenue Decoupling Mechanism | 7/1/2024 |
| Gas Utility Infrastructure Cost Adjustment | 10/1/2024 |
| General Terms and Conditions Table of Contents | 4/1/2021 |
| General Terms and Conditions | 9/8/2021 |
| Sample Forms | 4/1/2021 |
Energy Assistance Information: If you find yourself having trouble paying your heating bills, please call 877-267-4764 and we will direct you to available assistance in your area.
Gas Affordability Program: Learn more about Minnesota’s Gas Affordability Program which is designed to help low-income residential customers in Minnesota pay their natural gas bills.
Cold Weather Rule: Policies regarding the disconnection of residential heating sources from October 1 through April 30 are governed by Minnesota Statutes, Chapter 216B. Minnesota PUC Cold Weather Rule.
Customer Service and Billing Rules: Utility customer service is governed by Minnesota Rules, Chapter 7820. Minnesota PUC Customer Service and Billing Rules.
For several years, Great Plains Natural Gas has been evaluating possible cost-effective solutions to increase the natural gas capacity available to the community of Wahpeton, which lead to the construction of a high-pressure transmission line to Wahpeton. Our natural gas supplier wrapped up the project in late November 2024 and as a result, starting on December 1, 2024, natural gas will be supplied to Wahpeton customers from Montana-Dakota’s integrated natural gas system, rather than from Great Plains via a Minnesota pipeline.
Coinciding with the expansion, Montana-Dakota received North Dakota Public Service Commission approval to integrate Wahpeton customers into Montana-Dakota’s natural gas integrated system under the Montana-Dakota North Dakota gas tariff. That means Great Plains customers in Wahpeton will transition to Montana-Dakota customers. Great Plains is a division of Montana-Dakota Utilities Co. and so the change is primarily in name only for Wahpeton customers. The transition to Montana-Dakota customer will take place in two phases. Great Plains will continue to serve customers in Minnesota only.
Phase 1
On December 1, 2024, Wahpeton customers will no longer be served under the Great Plains North Dakota Gas Rate Schedules, although customers will continue to receive a Great Plains bill throughout this phase of the transition. The rate schedules and tariffs under which a customer is billed and provided service under will be on Montana-Dakota Utilities Co.’s North Dakota Natural Gas Rate Schedules. The table below provides the rate class and schedules before and after December 1, 2024 (and throughout Phase I). The new Montana-Dakota (or “MDU”) rate schedule will be indicated on a customer’s monthly bill.
| Rate Class | Great Plains ND (prior to 12/01/24) | Montana-Dakota ND (effective 12/01/24) |
|---|---|---|
| Firm Service | ||
| Residential | Rate 65 | Rate 62 |
| Firm General | Rate 65 | Rate 62 |
| Firm General Contracted Demand | Rate 74 | |
| Interruptible Sales Service | Rate 71 | Rate 71 |
| Interruptible Transportation Service | Rate 80 | Rate 81/82 |
For further and update to date information on this transition, please visit our Wahpeton Customer Conversion information page.
If you find yourself having trouble paying your heating bills, please call 877-267-4764 and we will direct you to available assistance in your area.
Find out more online about programs to help eligible individuals and families with heating and insulation related costs in the winter.
