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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

National Grid to Manage Alliance RTO

LXCG, Aug. 29, 2001--British electric power transmission company National Grid Plc said yesterday that it has been selected as managing member of the Alliance regional transmission operator, an 11-state transmission system manager stretching from the Midwest to the Appalachians.

National Grid will make an initial investment of $75 million in Alliance Transco and continue with investments amounting to between 5 percent and 20 percent of the total invested by the RTO's 10 members.

During the seven-year contract, National Grid will be paid $14 million a year by Alliance. It will be able to increase those earnings through an incentive systems based on reliability and customer savings.

Alliance members have placed under the RTO's management transmission assets with a book value of $12 billion.

The deal must receive approval of the member companies as well as that of federal regulators, but the Federal Energy Regulatory Commission earlier this year gave Alliance its tentative okay.

In order to meet FERC's requirement that it be a "nonmarket" participant, National Grid said it would sell any remaining economic interests of affiliates in the power-generation and supply markets in the U.S.

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