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2021 Informational Electric and Natural Gas Filings


2021 Info NG1 - NorthWestern Corporation dba NorthWestern Energy's FERC Filing regarding Certification Pursuant to 18 C.F.R. § 284.123(g)(9)(ii), in Compliance with Docket Nos. CP11-76-000 & PR12-20-000
Date Filed: 02/12/21

2021 Info EL2 - NorthWestern Corporation dba NorthWestern Energy's Notice of Annual Update
     Annual Update (Excel Format)
Date Filed: 03/01/21

2021 Info EL3 - Otter Tail Power Company's Notice to Temporarily Estimate Meter Readings - COVID-19 Update
Date Filed: 03/09/21

2021 Info EL4 - Otter Tail Power Company's FERC Filing regarding Application to Terminate Mandatory PURPA Purchase Obligation of Otter Tail Power Company
Date Filed: 04/22/21

2021 Info EL5 - NorthWestern Corporation dba NorthWestern Energy's, Docket No. ER21-___-000 Rate Schedule No. 37-SD Second Revised | Emergency Tie Agreement – Emergency Tie Service between NorthWestern Energy and East River Electric Power Cooperative, Inc.
Date Filed: 04/30/21

2021 Info EL6 - Otter Tail Power Company’s FERC Filing regarding Revisions to the Schedule and Appendices of the Operation and Maintenance Agreement for the 230 kV Bemidji-Grand Rapids Transmission Project
Date Filed: 05/12/21

2021 Info EL7 - Commission Staff's Letter regarding June 10, 2021 Commission Meeting, Items for Commission Discussion and Sample Periodic Progress Report for Wind Energy Facilities
Date Filed: 06/04/21

2021 Info EL8 - Black Hills Energy’s Letter to the Wyoming Public Service Commission regarding the Joint Filing of the Integrated Resource Plan for Cheyenne Light, Fuel and Power Company dba Black Hills Energy and Black Hills Power, Inc. dba Black Hills Energy
      Cheyenne Light, Fuel and Power Company and Black Hills Power, Inc.’s 2021 Integrated Resource Plan
            Appendix A - Acronyms
            Appendix B - WECC Contingency Reserve Specifications
            Appendix C - Load Forecast Data
                 Appendix C - Load Forecast Data Confidential (not available to the public)
            Appendix D - Busbar Cost Study
            Appendix E - Neil Simpson Unit II Power Plant Studies
            Appendix F - Variable Energy Resource Integration Report
            Appendix G - Balancing Authority Feasibility Study
            Appendix H - Confidential Price and Cost Forecasts (not available to the public)
            Appendix I - Energy Market Participation Analysis
            Appendix J - Load and Resource Balance 2021-2040
            Appendix K - Analytical Methods and Modules
            Appendix L - Overview of Forecasting Models
            Appendix M - Data Center Impact Study
            Appendix N - 2021 IRP Modeling Summary
            Appendix O - Demand-Side Management Survey
      Petition for Confidential Treatment of Appendices C and H
Date Filed: 07/01/21

2021 Info EL9 - Montana-Dakota Utilities Co.’s Letter regarding its 2021 Integrated Resource Plan filed with the North Dakota Public Service Commission
Date Filed: 07/01/21

2021 Info EL10 - Otter Tail Power Company's Notice to Temporarily Estimate Meter Readings - COVID-19 Update - June 2021
Date Filed: 06/21/21

2021 Info EL11 - Northern States Power Company dba Xcel Energy's 2020 Minnesota Annual Update of Remaining Lives and Depreciation Rates for Transmission, Distribution, and General Accounts
Date Filed: 08/05/21

2021 Info EL12 - Otter Tail Power Company's Letter regarding Otter Tail Power Company's 2022-2036 Resource Plan Extension Request with the Minnesota Public Utilities Commission
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