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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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Chief Financial Officer to depart Tri-State
Power supply cooperative well positioned to support capital development strategy.
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San Miguel Power Association, Tri-State announce additional support and investment in Montrose County
SMPA to build a 20-megwatt solar project through Tri-State’s Bring Your Own Resource program.
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Tri-State members, co-op consumers to benefit from reduced costs, increased reliability through demand response program
Federal regulators accept power supply cooperative’s demand response tariff.
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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