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Collaborative work results in FERC filing of Tri-State’s High Impact Load Tariff and Agreement

Filing reflects months of effort and collaboration with members and stakeholders.
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Colorado Public Utilities Commission approves Tri-State’s 2023 Electric Resource Plan

PUC approval is important step to allow Tri-State to begin to seek contracts for the resources in the preferred portfolio.  
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FERC accepts Tri-State’s new Wholesale Electric Service Contracts and amended board policy expanding member flexibility 

FERC has accepted Tri-State's new Wholesale Electric Service Contracts (WESCs) and an amended Board Policy 115, effective Aug. 6.
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Colowyo Mine to conclude coal production in 2025, transitioning to full reclamation

Tri-State has contracted with Kiewit Mining Group Inc., a company with extensive experience in mine reclamation and environmental stewardship.
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Tri-State addresses EPA proposed action on Colorado State Implementation Plan

Tri-State appreciates the EPA’s and Administration’s focus on grid reliability and rising energy demand
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Fitch Ratings raises Tri-State’s outlook, affirms investment-grade ratings

Fitch cites very strong revenue defensibility, a strong operating risk assessment and improved clarity on membership base and financial profile. 
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Benefits of SPP RTO West participation highlighted in filing with Colorado PUC

Expanded participation in SPP RTO promotes reliability, affordability and environmental responsibility.
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Tri-State announces interim CFO

Power supply co-op well positioned to support capital development strategy.
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Members, Tri-State execute new, more flexible wholesale electric service contracts

Thirty-six members representing 98% of Tri-State’s load execute new contracts, with 2066 or 2050 terms.
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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