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PUC of Texas Approves Entergy Texas' Plans to Build Over 1,200 MW of Gas-Fired Capacity

LCG, September 12, 2025--Entergy announced yesterday that the Public Utility Commission of Texas (PUCT) approved Entergy Texas’ proposal to build two efficient natural gas-fired power plants to support the region’s rapid growth. The combined electric generating capacity of the two facilities, the Legend Power Station and the Lone Star Power Station, will add over 1,200 MW to the Southeast Texas power grid to support new customer demand, increase reliability and lower costs for all customers. Both facilities are scheduled to commence operations by mid-2028.

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Puget Sound Energy Starts Construction on 142-MW Appaloosa Solar Project in Washington

LCG, September 4, 2025--Puget Sound Energy (PSE) announced yesterday that phased construction has commenced on its 142-MW Appaloosa Solar Project, a utility-scale solar facility underway in southeastern Washington. The project is being built by Qcells EPC, who will serve as the module manufacturer and the engineering, procurement, and construction (EPC) solution provider. Construction is scheduled through 2026, and commercial operation is expected at the end of next year.

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Industry News

MISO Ready to Open New Electricity Markets

LCG, February 17, 2005--The Midwest Independent Transmission System Operator (Midwest ISO) yesterday announced that it has filed Certificates of Operational and OrganizationalReadiness with the Federal Energy Regulatory Commission (FERC), signaling that it is ready and prepared to commence operations of the new markets on April 1.

In August 2004, the FERC conditionally accepted the Midwest ISO's proposed Open Access Transmission and Energy Markets Tariff (TEMT), with one of the conditions that the Midwest ISO certify its market readiness. The Midwest markets were initially scheduled to be launched on March 1, 2005; however, on January 27, the ISO announced the one-month delay, which was stated to be in response to stakeholder requests.

The new market design includes Day-Ahead and Real-Time energy markets, with centralized, security-constrained, economic dispatch and locational marginal pricing (LMP) similar to that used in northeastern markets, such as PJM, New York ISO and ISO New England.

The Midwest ISO service territory extends from eastern Montana through the upper Midwest - including Manitoba - and south to parts of Kentucky and Missouri. With the implementation of the TEMT, the FERC's Standard Market Design, with LMP-based pricing, will generally be in use throughout the northern half of the Eastern Interconnect.

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