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Tri-State energizes Burlington-Lamar transmission line 

Project first of several planned through 2028 under the generation and transmission cooperative’s Eastern Colorado Transmission Expansion.
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Tri-State, Mountain Parks Electric terminate wholesale electric service contract

A member has the flexibility to terminate its contract by providing a two-year notice and making a contract termination payment
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Deriva, Tri-State announce start of commercial operations at Spanish Peaks Solar projects

Spanish Peaks Solar projects will generate 140 megawatts of renewable energy in Las Animas County, Colo., for Tri-State and its members.
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Northwest Rural Public Power District provides second notice to withdraw from Tri-State membership

NRPPD would terminate early its wholesale power contract with Tri-State on Jan. 1, 2027.
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Tri-State closes financing for construction of two solar projects 

Tri-State has closed and funded a new $200 million credit facility for the construction of the cooperative’s two new solar projects.
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Tri-State returning $10 million in patronage capital to members for 2024 

Return of members’ equity is a hallmark of the cooperative business model.
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LPEA and Tri-State execute term sheet paving the way for future collaboration

Agreement encompasses critical components including power purchases, transmission and the sale of utility assets.
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USDA New ERA award to finance $2.5 billion in Tri-State clean energy investments

Tri-State's funding through the Empowering Rural America (New ERA) Program to advance its industry-leading energy transition.
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Tri-State wholesale rate to members unchanged through 2025

Tri-State's Board of Directors approves 2025 budget.
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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