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Tri-State advances transformative electric resource plan with unopposed settlement filing

ERP seeks 1,250 megawatts of new renewable and energy storage; settlement includes assistance for northwest Colorado coal communities.
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Tri-State evaluating plans for Colowyo Mine 

No decision has been made regarding the end of coal production.  
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Origis Energy and Tri-State announce commercial operation of Escalante Solar

New solar project on the site of the former Escalante Generating Station began generating on June 1.
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Tri-State, members announce innovative Bring Your Own Resource program

Increasing member flexibility is a major step in Tri-State's member-driven energy transition. 
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SPP files expanded regional transmission organization tariff to include western entities

SPP to be the first organization in the U.S. to provide full RTO services in both the Eastern and Western Interconnections in early 2026.
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Tri-State purchases two western Colorado solar projects from JUWI

Tri-State is among the first generation and transmission cooperatives in the nation to own large, utility-scale solar. 
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Tri-State files wholesale rates with the Federal Energy Regulatory Commission

Tri-State's wholesale rates remain competitive and have only increased a net of 1.4% since 2017, even with this proposed rate change.
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Tri-State, CoBank partner in donation to the Cooperative Family Fund in honor of fallen San Isabel Electric Association lineman

Support actively demonstrates the value that the U.S. cooperative network places on families.
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New Electrify and Save On-Bill Repayment Program expands access to beneficial electrification and energy efficiency across the West

CCEF will administer the program, with $50 million in support from the U.S. Department of Agriculture’s Rural Energy Savings Program.
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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

©2025 Tri-State Generation and Transmission Association, Inc. Power supplier to the rural west.

  • About Us
    • Annual Report
  • Powering the Future
    • Our Energy Mix
  • Electrify and Save®
    • On-Bill Repayment
    • Programs
    • Quality Install
  • Media
    • Resources
    • Blog
    • Features
    • News
    • Newsletter
    • Podcast
  • Cooperative Benefits
  • Operations
  • Search