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Study on possible Southwest Power Pool RTO expansion shows promise, informs next steps

A new 2022 Brattle study shows that expanding an SPP RTO Interconnection in the West could provide significant savings for participants.
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D.C. Circuit Court of Appeals affirms FERC’s exclusive jurisdiction over Tri-State exit charges

Ruling confirms Tri-State is subject to FERC’s rate jurisdiction, including member-developed contract termination payment tariff.
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Highline Electric Association adds potential game changer to the EV charging world

A new charging station for Highline Electric Association, financially supported by Tri-State, may be a game changer for rural areas.
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Co-op provisions in Inflation Reduction Act of 2022 advance Tri-State Responsible Energy Plan

Tri-State notes IRA strengthen cooperatives’ ability to invest in renewable energy, storage and transmission, in support rural communities.
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Tri-State Announces Pricing Terms of Its Cash Tender Offers for Certain Outstanding Debt Securities

Pricing terms noted on previously announced cash tender offers.
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Tri-State Announces Early Results of Its Cash Tender Offers

Cooperative wholesale energy provider notes early results from its July 13 cash tender offer for certain outstanding debt securities.
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Tri-State reaches unanimous settlement to retire Rifle Station

Parties to the settlement agree to plan that, if approved by the Colorado PUC, would close the facility on or about Oct. 6, 2022.
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Tri-State Announces Cash Tender Offers for certain outstanding debt securities

Commences tender offers to purchase up to $100 million of debt securities
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Tri-State Generation and Transmission Association announces strategic reorganization

New structure aligns Tri-State with industry best practices, continues to ensure reliable and affordable power for members.
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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