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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
Exelon Announces Early Retirement of Nearly 3,000 MW of Carbon-Free Nuclear Capacity
LCG, June 3, 2016--Exelon Corporation yesterday announced that it will close two nuclear plants in Illinois, given the lack of progress on Illinois energy legislation. The Clinton Power Station in Clinton will close on June 1, 2017, and the Quad Cities Generating Station in Cordova will close on June 1, 2018. The two plants have lost a combined $800 million in the past seven years, despite being two of Exelon's best-performing plants.
Exelon's president and CEO stated, "This is an extremely difficult day for the 1,500 employees who operate these plants safely and reliably every day, and the communities that depend on them for support. We have worked for several years to find a sustainable path forward in consultation with federal regulators, market operators, state policymakers, plant community leaders, labor and business leaders, as well as environmental groups and other stakeholders. Unfortunately, legislation was not passed, and now we are forced to retire the plants."
The Clinton Power Station began commercial operation on April??1987 under the ownership of Illinois Power. The plant includes a single boiling water nuclear reactor, with a generating capacity of approximately 1,080??MW. The present reactor operating license was issued April 17, 1987 and will expire September 29, 2026.
The Quad Cities Generating Station is a nuclear power plant, with a total electric generating capacity of approximately 1,870 MW. The units began operations in 1972. In 2004, the Nuclear Regulatory Commission (NRC) approved a 20-year license extension for both reactors that would extend the license through December 14, 2032.
The Illinois legislative session has not ended; however, the path forward for consideration of the Next Generation Energy Plan legislation is not clear. Thus Exelon has initiated the necessary steps to shut down the two nuclear plants. These steps include: making permanent shutdown notifications to the NRC within 30 days; terminating capital investment projects required for long-term operation of the plants; immediately taking one-time charges of $150 million to $200 million for 2016, and accelerating approximately $2 billion in depreciation and amortization through the announced shutdown dates; and cancelling fuel purchases and outage planning.
Retiring the plants will have a significant economic and environmental impact on the region.
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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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