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  1. Operations
  2. Transmission planning
  • https://tristate.coop/sites/default/files/revslider/image/TS_TransmissionPlanning_Hero_020219.jpg

Each year, Tri-State develops a 10-year transmission plan that assesses future transmission needs for Tri-State’s 42 member electric cooperatives. The transmission component of this plan is developed in conjunction with West Connect and the Colorado Coordinated Planning Group (CCPG), formal regional transmission planning organizations recognized by the Western Electricity Coordinating Council (WECC).

As part of the Colorado Public Utilities Commission (COPUC), Rule 3627, Tri-State files its 10-year transmission plan with the COPUC on a biennial basis each February 1.

For more information, to send us your questions or comments regarding our transmission plans, or to be added to the stakeholder outreach list for future transmission planning meetings, please email TransmissionPlanning@tristategt.org.

 

Please email us your comments on Tri-State's transmission planning to TransmissionPlanning@tristategt.org.

In your comments, please include:

  • First and last name

  • Mailing address

  • Phone number(s)

  • Name of your organization

  • Indicate if you are  member of an electric cooperative, and if so, which one.

  • Please indicate which issue/project you are commenting about

Thank you for your interest.

Planning documents

Network model data

Stakeholder outreach

 

Filing Details PUC 3627

Details included in the filing for the Colorado PUC Rule 3627 on February 1, 2022:

10-year Transmission Plan 2022

20-year Conceptual Scenario Report 2022

Appendix A - Colorado Transmission Maps 2022

Appendix B - Metro Denver Transmission Map 2022

Appendix C - Black Hills Energy Transmission Map 2022

Appendix D - Black Hills Energy Projects 2022

Appendix E - Tri-State G&T Association Projects 2022

Appendix F - Public Service Company of Colorado Projects 2022

Appendix G - Colorado Springs Utilities Projects 2022

Appendix H - Platte River Power Authority Projects 2022

Appendix I - Western Area Power Administration - RMR Projects 2022

Appendix J - CCPG Stakeholder Process

Appendix K - Public Service Company CCPG Stakeholder Comments 2022

Appendix L - Black Hills CCPG Stakeholder Comments 2022

Appendix M - Tri-State CCPG Stakeholder Comments 2022

Appendix N - Black Hills Supporting Documents 2022

Appendix O - Tri-State Supporting Documents 2022

Appendix P - Public Service Company Supporting Documents 2022

Appendix Q - Instructions for Accessing Model Data 2022


 

Past filings

COPUC 3627 transmission projects and reference documents - 2020 filing

COPUC 3627 transmission projects and reference documents - 2018 filing

COPUC 3627 transmission projects and reference documents - 2016 filing

COPUC 3627 transmission projects - 2014 filing

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Tri-State Generation and Transmission Association
Office: 303-452-6111
1100 West 116th Avenue
Westminster, CO 80234

Mailing address:
PO Box 33695
Denver, CO 80233-0695

©2023 Tri-State Generation and Transmission Association, Inc. Power supplier to the rural west.

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