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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

NY Grid Operator Comments on Blackout Avoidance

LCG, Aug. 28, 2003--Speaking before the New York State Assembly yesterday, the president of the New York Independent System Operator, William J. Museler, stated that even if the grid manager had known about transmission problems in the Midwest well in advance of the blackout that ultimately hit New York, it would not have anticipated the situation becoming as severe as it did.

Had a decision been taken to isolate the New York transmission system from other areas, including Ontario, to which New York was effectively sending power, it could have increased risks for neighboring regions, said Museler. He also told legislators that in addition to not providing assurance of preserving stability for New Yorkers, active isolation would not have been in keeping with long-standing cooperative policies with regional partners.

Investigators have generally agreed that lines between New York and Ontario seem to have functioned according to their design, and did not automatically trip when the flow of power across the U.S.-Canadian border increased significantly. Nonetheless, given the amount of data that still requires examination, this viewpoint is being scrutinized before more explicit confirmation.

Museler testified that, on balance, assuming some risks by remaining connected to the larger grid could have beneficial consequences by encouraging reciprocal behavior by other grid managers. "There are many more times where it's better being connected to the grid, where it's going to save you," Museler said.
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