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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

Calpine Geothermal Plants to Support Reliability in California

LCG, Feb. 26, 2003--An agreement between Calpine Corp. and the California Independent System Operator will allow the grid operator to dispatch over a dozen geothermal plants owned by Calpine to maintain grid reliability.

The agreement governs 13 of its 19 Geysers generating units in Northern California, and will provide Calpine revenue from $40 million to $45 million each year for 2003, 2004 and 2005. The generators will be designated "reliability-must-run" resources.

The units may also be used to produce power for the ISO at a contracted price, or for other buyers.
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