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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

Southeastern Grid Plan Gains Momentum

LCG, Oct. 11, 2002--An outline for a regional transmission organization (RTO) that would serve an area extending from South Carolina to Louisiana and central features concerning its management were approved by a 4-0 vote by the Federal Energy Regulatory Commission (FERC), allowing its supporters to develop a full, detailed proposal for an entity known as SeTrans.

The design of SeTrans has been developed thus far by Southern Co., which has a significant transmission presence in the Southeast, Entergy Corp., based in New Orleans, and by nine municipal and public providers of power. The states seen as having at least part of their transmission grid overseen through SeTrans also include Georgia, Florida, Alabama, Mississippi, Arkansas, and Texas.

The approval of the outline raises the likelihood that the formal proposal will be substantially accepted by FERC as conforming with its proposed rules concerning grid reliability, tariff design, and an independent grid administrator.
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