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Tri-State issues request for proposals for new resources, focused on renewable energy, storage and hybrid technologies

Tri-State seeking renewable and carbon-free resources for 2025, will consider highly competitive bids for 2026, under its 2020 Colorado ERP.
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Tri-State, La Plata Electric Association, Poudre Valley Rural Electric Association and San Miguel Power Association reach settlement on flexible power supply options

With FERC approval, implements agreement among certain members to self-supply up to 50% of load requirements.
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Tri-State enters new $520 million revolving credit facility

New credit facility to be used for corporate liquidity and to support its commercial paper program.
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FERC rejects United Power’s filings and nullifies conditional withdrawal notices

Federal regulatory agency notes potential for “significant uncertainty” that could have had cost impacts for all Tri-State utility members.
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Tri-State’s Phase I 2020 Electric Resource Plan settlement approved by Colorado PUC

The settlement sets near-term greenhouse gas emission (GHG) reductions targets for Tri-State.
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Advancement of reliable, affordable, responsible power highlighted at Tri-State's 70th Annual Meeting

Tri-State accelerates Responsible Energy Plan transition in 2021, including 4% wholesale rate reduction and entry into two electricity markets.
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Tri-State filing with Colorado Public Utilities Commission would result in retirement of Rifle Station

If approved, the 85-megawatt combined-cycle facility would retire on or about Oct. 6, 2022.
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Tri-State proposes transmission system additions and upgrades in eastern Colorado

Upgrades to provide capacity for new, renewable generation resources that support Tri-State’s Responsible Energy Plan
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Tri-State CEO comments on S&P Global Ratings issuance of a ratings action 

To address uncertainties, co-op will work to demonstrate appropriateness of CTP tariff.
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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