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SPP's Western Expansion Set for Implementation on April 1

LCG, March 13, 2026--The Southwest Power Pool (SPP) announced yesterday that leaders from the participating organizations voted unanimously to proceed as planned with expanding its regional transmission organization (RTO) services into the Western Interconnection. SPP sees the decision to proceed as planned as a strong signal of confidence as SPP and its partner utilities prepare for this key milestone, which will occur overnight between March 31 and April 1.

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Entergy Estimates Customer Savings of $5B from "Fair Share Plus" Data Center Agreements

LCG, March 6, 2026--Entergy yesterday announced approximately $5 billion in total savings for 2.3 million customers in Arkansas, Louisiana and Mississippi resulting from data center customer agreements in those states. Entergy, which completed its first data center customer agreement in 2024, projects the customer savings over the next 20 years and after the regulatory approval or acknowledgement of the public service commissions in those states.

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Industry News

Groundbreaking Imminent for Arizona Coal Generating Plant

LCG, Oct. 21, 2003--Work is scheduled to begin at the Springerville Generating Station on two new coal-fired units with combined capacity of 400 megawatts, according to Tri-State Generation and Transmission Association and Tuscon Electric Power Co. (TEP).

Units 3 and 4 are scheduled to come on-line in 2006, when Tri-State will lease the entire capacity, devoting 200 megawatts to load that will include some anticipated increases in demand in southwestern Colorado and New Mexico. TEP will purchase 100 megawatts through a power purchase agreement. The remaining 100 megawatts will be under contract to Salt River Project, based on a 30-year contract.

Operation of the new units will be undertaken by TEP, which owns and is responsible for units 1 and 2, which are also coal-fired. Deliveries of Powder River Basin coal will be made by way of the Burlington Northern Santa Fe railroad system.

Tri-State is a power cooperative supplying wholesale electricity to 44 consumer-owned cooperatives and public power districts in Colorado, New Mexico, Wyoming and Nebraska. Tuscon Electric Power, the main subsidiary of UniSource Energy Corp. and Arizona's second largest investor-owned utility, serves approximately 360,000 customers in southern Arizona.
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