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2023 Informational Electric and Natural Gas Filings

2023 Info EL1 - West River Solar, LLC's FERC Form 556 - Certification of Qualifying Facility (QF) Status for a Small Power Production or Cogeneration Facility
Date Filed: 02/13/23

2023 Info EL2 - West River Solar II, LLC's FERC Form 556 - Certification of Qualifying Facility (QF) Status for a Small Power Production or Cogeneration Facility
Date Filed: 02/13/2023

2023 Info EL3 - Sweetland Wind Farm, LLC’s FERC Notice of Self-Certification of Exempt Wholesale Generator Status
Date Filed: 02/27/2023

2023 Info EL4 - Watertown Municipal Utilities and Codington-Clark Electric Cooperative, Inc.'s Joint Request to Modify Electric Service Territory for Harmony Hill Annexation First Addition Pursuant to EL07-25
Date Filed: 03/03/2023

2023 Info EL5 - Watertown Municipal Utilities and Codington-Clark Electric Cooperative, Inc.'s Joint Request to Modify Electric Service Territory for Williston Annexation First Addition Pursuant to EL07-25
Date Filed: 03/03/2023

2023 Info EL6 - NorthWestern Corporation dba NorthWestern Energy's Notice of Form No. 1 Posting and Corrected Annual Update Published

Annual Update (Excel Format)

Date Filed: 03/13/23

2023 Info NG7 - FERC Notice of Request Under Blanket Authorization and Establishing Intervention and Protest Deadline regarding WBI Energy Transmission, Inc.
Date Filed: 03/20/23

2023 Info EL8 - Otter Tail Power Company's FERC Filing regarding Docket No. ER23-1464-000, Remedial Action Scheme Service
Date Filed: 03/28/23

2023 Info EL9 - Otter Tail Power Company's Letter regarding its 2023-2037 Supplemental IRP Update

• Request for Confidential Treatment
• Application for Supplemental Resource Plan Approval 2023-2037
  • Resource Plan Confidential (not available to the public)
• Appendix C - Existing Resources
• Appendix F - EnCompass Modeling Assumptions
• Appendix F - EnCompass Modeling Assumptions Confidential (not available to the public)
  Date Filed: 03/31/23

2023 Info GE10 - Informational filing regarding Revisions to the Continuous Service Agreement, Section 6 of NorthWestern Corporation dba NorthWestern Energy's Gas and Electric Sample Forms Tariffs

Continuous Service Agreement

Gas Tariff

Electric Tariff

Date Filed: 04/21/23

2023 Info EL11 - Otter Tail Power Company's Letter regarding its Errata Filing for 2022-2036 Supplemental IRP Update

Supplemental Resource Plans 8 and 9
Date Filed: 05/03/23

2023 Info EL12 - Heartland Energy's 2023/2024 Avoided Cost for Purposes of PURPA Qualified Projects
Date Filed: 05/04/23

2023 Info EL13 - RWE Clean Energy, LLC’s FERC Certification of Qualifying Facility Status for Generating Facilities in South Dakota

Oak Tree Energy, LLC - FERC Form 556

Aurora County Wind, LLC - FERC Form 556

Brule County Wind, LLC - FERC Form 556

Davison County Wind, LLC - FERC Form 556

Date Filed: 05/11/23

2023 Info EL14 - NorthWestern Corporation's FERC Filing regarding Docket No. ES23-53-000, Order Authorizing Issuances of Securities
Date Filed: 08/21/23

2023 Info EL15 - MidAmerican Energy Company's FERC Filing regarding Docket No. ER23-2690, Local Balancing Authority Agreement Between Interstate Power and Light Company as the Alliant West Local Balancing Authority and Chickasaw Wind Energy Center LLC
Date Filed: 08/24/23

2023 Info EL16 - North Bend Wind Project LLC's FERC Filing regarding Docket No. ER23-264-000, Notice of Self-Certification of Exempt Wholesale Generator Status
Date Filed: 08/31/23

2023 Info EL17 - NorthWestern Corporation's Filing regarding South Dakota Electric Rate Schedule - Revised Tariff Sheets to Reflect Corporate Restructuring
Date Filed: 12/12/23

2023 Info NG18 - NorthWestern Corporation's Filing regarding South Dakota Gas Rate Schedule - Revised Tariff Sheets to Reflect Corporate Restructuring
Date Filed: 12/12/23

2023 Info EL19 - NorthWestern Corporation dba NorthWestern Energy's FERC Filing for Formula Rate Annual Update regarding Docket No. ER23-______-000
Date Filed: 12/18/23

2023 Info EL20 - City of Brookings' Informational Filing regarding Transfer of Service Territory Between the City of Brookings and Sioux Valley-Southwestern Electric Cooperative, Inc., Resolution and Exhibit A1, as a Result of City Annexation (City of Brookings Resolution 22-103)
Date Filed: 12/27/23

2023 Info EL21 - City of Brookings' Informational Filing regarding Transfer of Service Territory Between the City of Brookings and Sioux Valley-Southwestern Electric Cooperative, Inc., Resolution and Exhibit A1, Exhibit B, as a Result of City Annexation (City of Brookings Resolution 22-091)
Date Filed: 12/27/23