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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

GE's Advanced H System Gas Turbine Projects Gain Momentum

LCG, December 13, 2007--GE Energy (GE) yesterday announced the first firing of its advanced, H System gas turbine at Tokyo Electric Power Company's Futtsu Thermal Power Station. Futtsu Thermal Power Station will include three H Systems, and the total electric generating capacity will be 1,520 MW. The three 50-Hertz systems are scheduled to commence commercial operations between 2008 and 2010.

The H System, according to GE, can achieve 60 percent thermal efficiency and provide a 40 percent improvement in power density per installed megawatt relative to other combined-cycle systems. The end result is lower costs and less emissions, including greenhouse gases. The performance improvements result in part from a design that employs a closed-loop steam cooling system and advanced coating materials that enable higher firing temperatures required for increased efficiency.

In September 2007, GE announced that the first installation of the 60-hertz H System gas turbine at the Inland Empire Energy Center in southern California is on schedule, with the commercial operations scheduled to begin next summer. The Inland Empire Energy Center will include two GE 107H combined-cycle systems, with a total generating capacity of 775 MW. GE expects the first firing of Unit 1 to occur by year end, with the first firing of unit #2 expected early next year.

GE Energy's first 50-Hertz H system is located at the the Baglan Bay Power Station in South Wales and began operations in 2003.
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