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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

EPA Proposal on Mercury Limits Under Review

LCG, Mar. 16, 2004--The administrator of the Environmental Protection Agency (EPA), Michael Leavitt, has told the White House that analyses of an administration proposal to limit mercury emissions from power plants burning coal could lead the EPA to put forth a more stringent set of emission reduction guidelines.

In December, the Bush administration introduced a plan that would allow power generators to buy and sell credits for releasing mercury, similar to the system with sulfur dioxide. Limits on mercury would gradually lower the permissible amount of emissions. Since Leavitt became the EPA administrator, he has been taking part in meetings focused on the possible impact of that proposal, and has begun to evaluate criticisms of it by some environmental groups, state regulators, and a group of doctors that sent a letter to an office of the EPA dealing with children's health issues.

The White House has come out in favor of allowing power plants that achieve reductions before limits make them legally binding to receive credit for the reductions later. Critics of the proposal believe that such a provision would in effect delay the reduction of the ultimate goal of a 70% reduction in mercury emissions for seven, and perhaps as many as ten or more years. The current deadline is set for 2018.

Leavitt has said that the EPA's analysis is not yet finished, and will proceed before any changes are introduced to the original proposal. Coal-burning power plants are a major contributor to mercury emissions, and are thought to make up 40 per cent of the annual total caused by human activity.
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