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Minnesota Transmission Owners MINNESOTA TRANSMISSION OWNERS October 31, 2017 Re: 2017 Biennial Transmission Projects Report Dear Recipient: Enclosed is a CD containing the 2017 Minnesota Biennial Transmission Projects Report prepared by the Minnesota Transmission Owners, a group of sixteen utilities that own transmission lines in Minnesota. The Transmission Projects Report summarizes the transmission needs that Minnesota utilities foresee for the near future. Utilities are required by state law (Minnesota Statutes § 216B.2425) to file this Report with the Minnesota Public Utilities Commission by November 1 of each odd­ numbered year. You are receiving a copy of this Report because your name or your organization's name appears on a service list for this matter. The Commission's rule identifying the individuals and organizations who are to receive a copy is Minnesota Rules part 7848.1800. If you are a county government or a library, we request that you make the CD available to members of the public who request to review it. The Minnesota Public Utilities Commission has assigned Docket Number E-999/M-17-377 to this matter. The Public Utilities Commission will be soliciting public comments on the Reports over the next few weeks. Persons interested in participating in this matter can find various documents related to the Biennial Report by entering the 17-377 number into the PUC's efiling webpage at https://www.edockets.state.mn.us/EFiling/search.jsp The 2017 Report and previous years Reports are also available on the Internet at: www.minnelectrans.com If you have any questions or would like to request a printed copy of the Biennial Report, you can send an e-mail to: [email protected] A free printed copy of the Report will be provided to those on the service list upon request. Thank you. 62608031.1 2017 Biennial Transmission Projects Report American Transmission Company, LLC Dairyland Power Cooperative East River Electric Power Cooperative Great River Energy Hutchinson Utilities Commission ITC Midwest LLC L&O Power Cooperative Marshall Municipal Utilities Minnesota Power Minnkota Power Cooperative Missouri River Energy Services Northern States Power Company Otter Tail Power Company Rochester Public Utilities Southern Minnesota Municipal Power Agency Willmar Municipal Utilities November 1, 2017 MPUC Docket No. E999/M-17-377 TABLE OF CONTENTS Page 1.0 Executive Summary ............................................................................................................ 1 2.0 Biennial Report Requirements ............................................................................................ 4 2.1 Generally ................................................................................................................. 4 2.2 Reporting Utilities ................................................................................................... 5 2.3 Certification Requests ............................................................................................. 6 2.4 General Impacts ...................................................................................................... 6 2.5 Renewable Energy Standards ................................................................................. 8 2.6 Distribution Report/Grid Modernization ................................................................ 8 3.0 Transmission Studies ........................................................................................................ 10 3.1 Introduction ........................................................................................................... 10 3.2 Completed Studies ................................................................................................ 10 3.3 Regional Studies ................................................................................................... 13 3.4 Load Serving Studies ............................................................................................ 14 4.0 Public Participation ........................................................................................................... 16 4.1 Public Involvement in Transmission Planning ..................................................... 16 4.2 MISO Transmission Planning ............................................................................... 16 4.3 MTO Website........................................................................................................ 17 4.4 Efforts to Involve the General Public and Local Officials on Specific Projects .................................................................................................................. 17 5.0 Transmission Planning Zones ........................................................................................... 21 5.1 Introduction ........................................................................................................... 21 5.2 Northwest Zone ..................................................................................................... 22 5.3 Northeast Zone ...................................................................................................... 23 5.4 West Central Zone ................................................................................................ 26 5.5 Twin Cities Zone................................................................................................... 27 5.6 Southwest Zone ..................................................................................................... 28 5.7 Southeast Zone ...................................................................................................... 28 6.0 Needs................................................................................................................................. 30 6.1 Introduction ........................................................................................................... 30 6.2 The MISO Planning Process ................................................................................. 33 6.3 Northwest Zone ..................................................................................................... 36 6.4 Northeast Zone ...................................................................................................... 53 6.5 West Central Zone ................................................................................................ 93 6.6 Twin Cities Zone................................................................................................. 103 6.7 Southwest Zone ................................................................................................... 109 6.8 Southeast Zone .................................................................................................... 114 7.0 Transmission-Owning Utilities ....................................................................................... 124 7.1 Introduction ......................................................................................................... 124 7.2 American Transmission Company, LLC ............................................................ 126 7.3 Dairyland Power Cooperative ............................................................................. 127 TABLE OF CONTENTS Page 7.4 East River Electric Power Cooperative............................................................... 128 7.5 Great River Energy ............................................................................................. 129 7.6 Hutchinson Utilities Commission ....................................................................... 130 7.7 ITC Midwest LLC............................................................................................... 131 7.8 L&O Power Cooperative .................................................................................... 132 7.9 Marshall Municipal Utilities ............................................................................... 133 7.10 Minnesota Power ................................................................................................ 134 7.11 Minnkota Power Cooperative ............................................................................. 135 7.12 Missouri River Energy Services ......................................................................... 136 7.13 Northern States Power Company ........................................................................ 137 7.14 Otter Tail Power Company ................................................................................. 138 7.15 Rochester Public Utilities ................................................................................... 139 7.16 Southern Minnesota Municipal Power Agency .................................................. 140 7.17 Willmar Municipal Utilities ................................................................................ 141 8.0 Renewable Energy Standards ......................................................................................... 142 8.1 Introduction ......................................................................................................... 142 8.2 Reporting Utilities ............................................................................................... 142 8.3 Compliance Summary ......................................................................................... 143 8.4 Gap Analysis ....................................................................................................... 143 8.5 Base Capacity and RES/REO Forecast ..............................................................
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