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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

Rocky Mountain Power Pursues Regulatory Approval for $3.5 Billion Wind and Transmission Investment

LCG, July 3, 2017--The Rocky Mountain Power submitted filings last week in Wyoming, Utah and Idaho requesting state regulators to approve a plan to significantly expand the amount of wind power serving customers by 2020. The plan is part of the company's Energy Vision 2020 initiative.

Rocky Mountain Power's Energy Vision 2020 initiative is designed to: (i) upgrade or "repower" the company's existing wind fleet with longer blades and newer technology, (ii) add approximately 1,100 MW of new wind capacity, and (iii) build a new 140-mile Gateway West transmission. Most of the new investments will be in Wyoming.

Rocky Mountain Power President and CEO stated, "We are very excited to begin the stakeholder review process for these projects that will significantly increase the renewable energy that serves all our customers. These investments will provide significant long-term benefits to our customers and bring substantial economic benefits to rural communities where the facilities will be located."

Rocky Mountain Power first announced the wind and transmission investments in April as part of its broader long-term energy plan. Additional filings and regulatory approvals will be necessary.

The Energy Vision 2020 projects, which comprise an investment of $3.5 billion, were chosen by the company as the most cost-effective option to meet customers' energy needs over the next 20 years. By moving to complete the projects by 2020, the company states that it will be able to use federal production tax credits to provide a net cost savings to customers over the life of the projects.
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