Tri-State highlights benefits of participation in SPP RTO’s western expansion

SPP RTO to provide more efficient planning, more reliable service and lower overall costs. 
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Tri-State, La Plata Electric Association terminate wholesale electric service contract 

LPEA provided an unconditional notice to leave Tri-State in late March 2024.
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U.S. DOE extends energy emergency order requiring Tri-State to keep Craig Generating Station Unit 1 available to operate

Tri-State is reviewing the emergency order and will comply with its requirements.
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Wheat Belt Public Power District gives notice to withdraw from Tri-State membership 

FERC tariff requires a two-year notice and a Contract Termination Payment to Tri-State.
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Jemez Mountains Electric Cooperative gives notice to withdraw from Tri-State membership

The notice includes an April 1, 2028, withdrawal effective date, in accordance with the terms of Contract Termination Payment (CTP) tariff.
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SPP and western utilities affirm plans for RTO’s April 1 expansion

Decision to proceed with the western RTO expansion serves as a strong signal of confidence as SPP and its partner utilities prepare for milestone.
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Tri-State, Platte River request rehearing of DOE order delaying retirement of Craig Station Unit 1

Utility services providers concerned that member and community owners will bear the full cost of complying with the 202(c) emergency order.
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Tri-State makes Craig Generating Station Unit 1 available to operate in compliance with DOE emergency order

Unit 1 owners took the necessary steps to make repairs, and the unit was available to operate on Tuesday, Jan. 20, 2026. 
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FERC accepts settlement on Tri-State’s formulary rates

Approval creates a period of rate clarity for the not-for-profit association’s 40 members. 
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