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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

Northwestern Wisconsin Electric Joins Midwest ISO

LCG, Oct. 20, 2000--The Midwest Independent System Operator said yesterday that its board had accepted as a member Northwestern Wisconsin Electric Co., a Grantsburg, Wisc.-based local utility serving about 11,500 retail customers in two western Wisconsin counties.

"Our diverse membership is open to all utilities, big and small. I am pleased that NorthwesternWisconsin Electric Co. has decided to become a part of the MISO network," Matthew C. Cordaro,president and chief executive, told the board at its monthly meeting in Indianapolis.

The Midwest ISO claims to be the nation's largest independent transmission system . It has 17 transmission-owning members and says Utilities with more than 52,000 miles of transmission lines, 78,000 megawatts of electric generation and about $8 billion in installed assets are members.

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