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News
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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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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
ERCOT Board Endorses ETT's 345-kV Transmission Project
LCG, September 23, 2011--The Electric Reliability Council of Texas (ERCOT) Board of Directors Tuesday endorsed a 345-kV electric transmission project from the Laredo area into the Lower Rio Grande Valley. The project proposal is from Electric Transmission Texas LLC (ETT), a joint venture between subsidiaries of American Electric Power and MidAmerican Energy Holdings Company.
The Board characterized the $300 million project as "critical to reliability." Last February, Texas experienced rolling blackouts during an extremely cold period, when electric loads were high and a number of generators experienced difficulties in delivering power to the grid.
ETT's President stated, "The endorsement from the ERCOT board clearly establishes the need for this transmission project and paves the way for a Certificate of Convenience and Necessity (CCN) application from the Public Utility Commission of Texas (PUCT). Currently, there are only two 345-kV transmission lines serving the Valley. Both of the existing lines import power from the Corpus Christi area and run parallel to the Gulf Coast, which means both are vulnerable to hurricanes and other severe weather. The import capacity of these lines is limited, and the ability to schedule maintenance often can be a problem."
The 345-kV transmission project will extend approximately 163 miles and connect ETT?s Lobo Substation near Laredo with substations north of Edinburg. In addition, the Board supported the need for AEP Texas to reconductor two existing 345-kv lines and to upgrade substation facilities. These improvements are estimated to increase the project cost by $225 million. Given timely environmental and regulatory approvals, ETT anticipates that the project will be completed for 2016.
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UPLAN-NPM
The Locational Marginal Price Model (LMP) Network Power Model
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UPLAN-ACE
Day Ahead and Real Time Market Simulation
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UPLAN-G
The Gas Procurement and Competitive Analysis System
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PLATO
Database of Plants, Loads, Assets, Transmission...
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