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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

Duke Energy Carolinas Files IRP

LCG, September 6, 2018--Duke Energy Carolinas excluded new nuclear construction in its recently filed Integrated Resource Plan (IRP), which includes its 15-year plan for new power generation.

For many years, expansion of nuclear generation has been a normal part of Duke's solution to meeting long-term electric supply needs. However, new nuclear reactors are not part of the new IRP. However, new nuclear projects remain a possibility for the future. Duke continues to monitor developments in advanced nuclear reactors and small modular reactors (SMRs).

Duke does plan to pursue receiving license extensions for its existing nuclear assets, which total 7,400 MW of capacity. The Nuclear Regulatory Commission (NRC) has historically issued 40-year licenses for the initial reactor operating period, with 20-year extensions available to units that qualify. All of Duke's nuclear units have received the first, 20-year extensions, which allow for a 60-year life. The next step a number of companies, including Duke, are considering with the NRC is to extend the licenses for another 20 years, or a total of 80 years. If the existing carbon-free nuclear plants can receive an additional 20 years of operations, then there will be significant benefits with respect to limiting carbon emissions.
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