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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

Arrowhead-Weston Transmission Project Clears Hurdle

LCG, January 27, 2005--Yesterday the Dane County Circuit Court affirmed the Public Service Commission of Wisconsin's final order approving the Arrowhead-Weston electric transmission line project. The Wisconsin Public Service Commission approved construction of the Arrowhead-Weston line in December 2003. Utilities, including Wisconsin Public Service Corp. and Minnesota Power, say the project is needed to improve grid reliability.

The Arrowhead-Weston 345-kV transmission line project will extend 220 miles between Hermantown and Wausau and is estimated to cost $420 million. The American Transmission Company (ATC) is the lead company developing the project and is currently working to obtain easements to use county-owned land in Washburn and Douglas counties. In Washburn County, the project crosses about 9.5 miles of county-owned land, and ATC claims that 2.5 miles of easements from Douglas County will also be necessary.

Project construction is nearly complete in Minnesota and is expected to begin in Clark and Marathon counties in the spring. The plan calls for completion of the project by 2008.

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