2025 Informational Electric and Natural Gas Filings

2025 Info EL1 - NorthWestern Energy Public Service Corporation's FERC Filing, Revised Statement of Operating, Docket No. PR25-___-000
Date Filed: 01/15/25

2025 Info EL2 - FERC's Notice to NorthWestern Energy Public Service Corporation regarding Termination of Mandatory Purchase Obligation
Date Filed: 01/17/25

2025 Info EL3 - South Dakota Public Utility Commission’s Comments on the Tribal Energy Access Corridor and Phase 3 Information Submission
Date Filed: 02/12/25

2025 Info EL4 - NorthWestern Energy Public Service Corporation's FERC Filing, Amendment to Revised Statement of Operating Conditions, Docket No. PR25-26-000
Date Filed: 02/24/25

2025 Info EL5 - NorthWestern Energy Public Service Corporation's 18 CFR 292.302 - Avoided Cost Compliance Filing
Date Filed: 02/25/25

2025 Info EL7 - NorthWestern Energy Public Service Corporation, FERC Docket No. ER25-___-000 Rate Schedule No. 37 Third Revised, Emergency Tie Agreement – Emergency Tie Service between NorthWestern Energy and East River Electric Power Cooperative, Inc.
Date Filed: 03/07/25

2025 Info EL8 - Northern States Power Company dba Xcel Energy and Otter Tail Power Company's Notice of Intent to Construct, Own and Maintain the Big Stone South - Brookings County - Lakefield Junction 765 kV Transmission Project
Date Filed: 03/10/25

2025 Info EL9 -  Otter Tail Power Company's Notice of Intent to Construct, Own and Maintain the Big Stone South - Hankinson – Bison 345 kV Transmission Project
Date Filed: 03/11/25

2025 Info EL10 - Otter Tail Power Company's FERC Filing, Docket No. ER25-1772-000, Order No. 904 Compliance Filing
Date Filed: 03/26/25

2025 Info EL11 - NorthWestern Energy Public Service Corporation, Docket No. ER25-___-000 Certificate of Concurrence to Transmission-To-Transmission Interconnection Agreement
Date Filed: 06/16/25

2025 Info EL12 - Transfer of Service Territory from Sioux Valley-Southwestern Electric Cooperative, Inc. to the City of Aurora, South Dakota
Date Filed: 07/14/25

2025 Info EL13 - MidAmerican Energy Company's Application to Terminate its PURPA Mandatory Purchase Obligation, Docket No. QM25-___-000
Date Filed: 07/16/25

2025 Info EL14 - Transfer of Service Territory Agreement between the City of Brookings and Sioux Valley-Southwestern Electric Cooperative, Inc.
Date Filed: 07/16/25

2025 Info EL15 - Agreement to Transfer Service Territory between Clay Union Electric Corporation and City of Vermillion
Date Filed: 09/02/25

2025 Info EL16 - Southwest Power Pool, Inc., Docket No. ER26-____-000 Submission of Modified Formula Rate Template for NorthWestern Energy Public Service Corporation
Date Filed: 10/08/25

2025 Info EL17 - NorthWestern Energy Public Service Corporation, Docket No. ER26-___-000, Rate Schedule No. 44, Engineering, Procurement and Construction Agreement by and between East River Electric Power Cooperative, Inc., and NorthWestern Energy Public Service Corporation dba NorthWestern Energy
Date Filed: 10/31/25

2025 Info NG18 - MDU Resources Group, Inc.'s IRS Form 3115 (Natural Gas Safe Harbor for Repairs)
Date Filed: 11/06/25

2025 Info EL19 - Missouri River Energy Services' Notice of Intent to Construct, Own, and Maintain Southwest Power Pool Network, Upgrades – Laramie River-New Underwood 345 kV CKt1 New Line
Date Filed: 11/12/25

2025 Info EL20 - Basin Electric Power Cooperative's Notification of Intent to Exercise Right of First Refusal - Laramie River Station to New Underwood 345 kV Transmission Project
Date Filed: 11/13/25

2025 Info EL21 - Comments of the SD PUC in FERC Docket RM25-4
Date Filed: 11/13/25

2025 Info EL22 - NorthWestern Energy Public Service Corporation's FERC Filing, Revised Statement of Operating, Docket No. PR25-16-000
Date Filed: 11/20/25

2025 Info EL23 - Agreement to Transfer Service Territory between Clay Union Electric Corporation and City of Vermillion and Map
Date Filed: 11/26/25