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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

UK to Close Calder Hall, World’s Oldest Nuclear Plant

LCG, March 20, 2003Calder Hall, the oldest industrial-scale nuclear plant in the world, will be shut down.

The plant, located in northwest England, will be closed because of weak electricity prices in the United Kingdom.

Operating since 1956, Calder Hall utilizes Magnox technology, an expensive and infrequently used process. Seven UK plants use this technology and comprise 5% of total British capacity.

State power company BNFL decided to close the 196-MW plant 3 years earlier than announced as overhead was simply too large. The plant will cease operations March 31.

British anti-nuclear groups have been very active in calling for the closure of nuclear plants in Britain, and many of Britains reactors are slated for closure over the next 20 years.

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