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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

ISO New England Files Testimony for Locational ICAP

LCG, September 1, 2004--ISO New England filed testimony yesterday with the Federal Energy Regulatory Commission (FERC) regarding the development of ISO New England's proposed Locational Installed Capacity (Locational ICAP) market, which is designed to attract new generation on a locational basis to improve electric reliability.

The new testimony follows ISO New England's filing of March 1, 2004, which included a proposal to create four ICAP Regions: Northeast Massachusetts-Boston, Maine, Connecticut, and Rest of Pool. In the subsequent FERC Order issued on June 2, the FERC proposed the division of the Connecticut Region into two locational ICAP Regions (Southwest Connecticut and Rest of Connecticut), to which the ISO agreed in a July 2 compliance filing.

In the June 2 Order, the FERC accepted ISO New England's proposed sloping demand curve and the locational market design; however, it rejected the transition plan and set three general issues for hearing: the parameters of the demand curve, Capacity Transfer Limits (CTLs), and capacity transfer rights (CTRs). The ISO's latest testimony addresses these issues, including a refined analysis of the estimated cost of new, peaking generation in New England.

ISO New England anticipates a final decision on the market's design from the FERC in June 2005 and implementation on January 1, 2006.

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