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NG06-001 - In the Matter of the Filing by MidAmerican Energy Company for Approval of Tariff Revisions

• 04/18/23 - Order Releasing from Biannual Reporting Requirement

NG22-005 - In the Matter of the Application of MidAmerican Energy Company for Authority to Increase its Natural Gas Rates

• 03/31/23 - Order Granting Joint Motion for Approval of Settlement Stipulation; Order Approving Settlement Stipulation; Order Approving Refund Plan

NG22-011 - In the Matter of the Filing by Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group Inc., for Approval of Authority to Establish North Deadwood Expansion Area Surcharge Rate 75

• 03/01/23 - Order Authorizing Establishment of Expansion Area Surcharge Rate and Granting Approval of Tariff Revisions

NG23-001 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of its Natural Gas Tariff Revisions Regarding Revised New Service Connection Fee

03/15/23 - Order Approving Tariff Revisions

NG23-002 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Brookings Biogas LLC

03/01/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-003 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Hamlin RNG LLC

03/03/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-004 - In the Matter of the Filing by Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group Inc., for Approval of Its Revised Conservation Tracking Adjustment

03/15/23 - Order Approving Tariff Revisions

NG23-005 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Dakota Protein Solutions, LLC

• 03/02/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-006 - In the Matter of the Filing by NorthWestern Corporation dba
NorthWestern Energy for Approval of a Contract with Deviations with POET Biorefining - Chancellor, LLC

• 03/01/23 - Order Approving Contract with Deviations and Approving Tariff Revisions on Less Than 30 Days’ Notice

NG23-007 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with NuGen Energy, LLC

• 03/01/23 - Order Approving Contract with Deviations and Approving Tariff Revisions on Less Than 30 Days’ Notice

NG23-009 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with POET Biorefining - Groton, LLC

• 04/17/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-010 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of Its 2023 Economic Development Plan and 2022 Economic Development Report

• 05/24/23 - Order Approving 2022 Economic Development Report and 2023 Economic Development Plan

NG23-012 - In the Matter of the Petition by Montana-Dakota Utilities Co., a Subsidiary of MDU Resources Group Inc., for Extension of Test Period

• 06/08/23 - Order Approving Extension of Filing Deadline Following Test Period

NG23-008 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Schneck Farms Inc.

• 06/23/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-011 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Clark 2 RNG LLC

• 06/23/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-013 - In the Matter of the Filing by MidAmerican Energy Company for Approval of Its 2022 Economic Development Activities and 2023 Proposed Budget

• 08/17/23 - Order Approving 2022 Economic Development Report and 2023 Economic Development Budget

NG23-014 - In the Matter of the Application of Montana-Dakota Utilities Co., a Division of MDU Resources Group, Inc. for Authority to Increase its Natural Gas Rates

• 09/01/23 - Order Assessing Filing Fee; Order Suspending Operation of Proposed Rates; Order Authorizing Executive Director to Enter into Consulting Contracts

NG23-015 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Valley Queen Cheese Factory, Inc. 

• 09/26/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-017 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of Its Gas Transportation Tariff Revisions Regarding Fuel Retention Percentage

• 09/26/23 - Order Approving Tariff Revisions

NG23-021 - In the Matter of the Filing by NorthWestern Corporation dba
NorthWestern Energy for Approval of a Contract with Deviations with Valero Renewable Fuels Company, LLC

• 10/25/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-022 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with South Dakota Soybean Processors, LLC

• 10/25/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-016 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Global Biogas LLC

• 10/26/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-018 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Hammink Biogas LLC

• 10/26/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-019 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Northern Sky Biogas LLC

• 10/26/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-020 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Contract with Deviations with Brightmark Full Circle RNG LLC

• 10/26/23 - Order Approving Contract with Deviations and Approving Tariff Revisions

NG23-023 - In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of Northern Natural Gas Interim Rate Refund Method

• 11/22/23 - Order Approving Refund Method

NG23-024 -  In the Matter of the Filing by NorthWestern Corporation dba NorthWestern Energy for Approval of a Refund Plan regarding Recovery of Manufactured Gas Plant Site Remediation Costs

• 11/27/23 - Order Approving Refund Plan

NG23-025 - In the Matter of the Application of Montana-Dakota Utilities Co., a Division of MDU Resources Group, Inc. for Approval of Natural Gas Conservation Portfolio Plan for 2024 - 2026

• 11/27/23 - Order Approving Refund Plan