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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

480 Megawatt Peaker Planned for Chicago Area

LCG, Feb. 2, 2001--Mirant Corp., the former Southern Energy, said today it will build a 480 megawatt natural gas-fueled power plant in Rockdale, Ill., southwest of Chicago. The six-turbine peaking facility would begin commercial operation in 2003 or 2004, the company said.

"The Rockdale location is ideal because of its proximity to major power lines and a natural gassupply and the high demand for electricity from Chicago and surrounding cities," Richard Pershing, Mirant America's chief executive, said in the statement.

Mirant said the Rockdale plant is part of its effort to have 30,000 megawatts of generatingcapacity in the United States by 2004. The company said it currently has about 12,500 megawatts in the U.S., with another 7,000 megawatts under advanced development.

Despite the name change, Mirant is still 80 percent owned by The Southern Co.

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