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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

PJM Submits Shipment Reliability Report

LCG, August 14, 2002-PJM Interconnection, responsible for reliability in the mid-Atlantic states, is developing methods to prevent inconsistencies between scheduled and delivered electricity and has submitted its report to federal regulators.

Last month PJM found that price signals were affected by misappropriated electricity, causing higher power prices. Energy companies had sent as much as 3,000 MW capacity by way of a western transmission line although none had been scheduled for the line. This inconsistency caused a $70 price gap between western and southern electricity in the region.

The names of the involved companies have not been released by PJM, but the grid operator has altered its market rules and is developing the Locational Marginal Pricing System, or LMP.

Until LMP is in place, which would put a premium on electricity sent to areas with generation or transmission limitations, PJM will use the rule changes it instated in July.

Since the discovery of the scheduled-delivered energy discrepancy, electricity sent between Mid-Atlantic and Midwest areas will have prices assigned to it at the boundary between the two regions' transmission control areas.

Those companies involved in sending electricity by way of unscheduled routes will not be prosecuted, according to PJM market monitoring unit manager Joseph Bowring.

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