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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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About Us
Annual Report
Electrify and Save®
On-Bill Repayment
Programs
Responsible Energy Plan
Renewable Energy
Media
Resources
Blog
Features
News
Newsletter
Cooperative Benefits
Operations
Search