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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

FERC Tells Grid Operators to Settle Differences

LCG, January 7, 2003-The Federal Energy Regulatory Commission has advised the Midwest ISO and PJM Interconnection to resolve issues of transmission rates between grid areas.

Customers of the Midwest Independent System Operator and PJM Interconnection LLC face charges when moving electricity from one transmission system to the other.

FERC has urged the transmission operators to come to some type of settlement regarding these rates, and FERC Chairman Pat Wood has suggested that a cost-of-service formula could be used to determine rates. The two operators plan to form a single large grid by October of next year, serving over 20 states and some of Canada.

Last month a FERC Administrative Law judge threw out rate-related testimony submitted by various power industry agencies in regards to the transmission operators. DTE Energy Co., Detroit Edison, Wisconsin Public Power Inc., Indiana Municipal Power Agency, Southeast Michigan Systems, and International Transmission Co. submitted evidence.

FERC officials reinstated some of that evidence yesterday, part of which addressed claims that those controlling transmission overcharged in order to make up for lost revenue.

If Midwest ISO and PJM fail to come to some agreement with customers, a FERC judge will rule by Febraury 28 on the case.

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