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Southwest Power Pool Starts Energy Balancing Market in West

Southwest Power Pool announced on Monday, February 1, that at midnight it launched its Western Energy Imbalance Service (WEIS) market. Several regional utilities are participating in this WEIS market, including Basin Electric Power Cooperative, Deseret Power Electric Cooperative and Tri-State Generation and Transmission Association.

Colorado Governor Joins Tri-State to Announce Greenhouse Gas Reduction Goals

Tri-State Generation and Transmission Association (Tri-State) and Colorado Governor Jared Polis recently announced Tri-State will be submitting a “preferred scenario” to reduce emissions associated with its wholesale electricity sales in Colorado by 80% by 2030. With the support of its members and board of directors, Tri-State will put forward this preferred scenario in its Electric...

Southwest Pool Power Considering Westward Expansion

Regional transmission operator Southwest Pool Power (SPP) announced interest in a western state expansion after a recent study found the move would produce $49 million a year in savings. If membership is pursued, Basin Electric Power Cooperative, Deseret Power Electric Cooperative and Tri-State Generation and Transmission Association, amongst others, could become the first members to...

FERC Affirms Exclusive Jurisdiction over Tri-State Generation and Transmission Rates and Exit Charges

Last week, the Federal Energy Regulatory Commission (FERC) affirmed its exclusive jurisdiction over Tri-State Generation and Transmission Association’s rates and member exit charges, and further reaffirmed that Tri-State’s addition of new members was lawful under the Federal Power Act. The decision preempts Colorado Public Utilities Commission jurisdiction on these matters.

Tri-State to Enhance Renewable Portfolio, Provide Greater Member Flexibility

In January 2020, Tri-State Generation and Transmission Association announced its Responsible Energy Plan to fundamentally transform how it generates power while protecting reliability and addressing rates. By 2024, Tri-State will add eight additional wind and solar power plants to its system, more than doubling its clean energy resources. In addition, to allow members greater...

Tri-State Announces Retirement of Coal Generation in Colorado and New Mexico

On January 9, 2020, not-for-profit cooperative wholesale power supplier Tri-State Generation and Transmission Association (Tri-State) announced the retirement of its remaining New Mexico coal-fired power plant by the end of 2020 and its remaining Colorado coal plants and coal mine by 2030. Tri-State believes that the retirement of these coal facilities will further its members’ clean...

Cooperatives Decide to Join Southwest Power Pool Market

Basin Electric Power Cooperative and Tri-State Generation and Transmission Association announced their decision to join Southwest Power Pool’s (SPP) Western Energy Imbalance Service (WEIS) market. When SPP launches the WEIS in February 2021, it will become the market administrator for these and potentially other electric utilities in the west.

Cooperatives Commit to Participating in Reliability Coordination Services

Southwest Power Pool received commitments to begin offering its reliability coordinator services to more than a dozen western utilities, including Arizona Electric Power Cooperative, Inc., Tri-State Generation and Transmission Association and Intermountain Rural Electric Association, among others.

Kit Carson and Tri-State Announce Split

Kit Carson Electric Cooperative (Kit Carson) and Tri-State Generation & Transmission Association (Tri-State) jointly announced that they have reached an agreement that will sever ties between the two organizations and will terminate a wholesale electric service contract.  Kit Carson has been a member of Tri-State since Tri-State merged with Electric Generation and Transmission...

Tri-State Announces 25-Megawatt Alta Luna Solar Project Partnership

Tri-State Generation and Transmission Association, Inc. (Tri-State) and D. E. Shaw Renewable Investments, L.L.C. have announced a 25-year contract to supply the utility with renewable energy from the planned Alta Luna Solar Project to be constructed in Luna County in southwest New Mexico.

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