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SPP first RTO to operate in both interconnections with tariff approval
Federal Energy Regulatory Commission unanimously approves SPP’s amended tariff, with provisions enabling Western members to join an RTO.
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Tri-State reviews 2024 financial performance
All financial goals met, $10 million returned to members.
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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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About Us
Annual Report
Electrify and Save®
On-Bill Repayment
Programs
Quality Install
Responsible Energy Plan
Renewable Energy
Media
Resources
Blog
Features
News
Newsletter
Podcast
Cooperative Benefits
Operations
Search