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News
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LCG, December 16, 2025--The Nuclear Regulatory Commission (NRC) announced today that it has renewed the operating licenses of Constellation LLC’s Clinton Unit 1 in Clinton, Illinois, and Dresden Units 2 and 3, near Morris, Illinois, for an additional 20 years beyond the current expiration dates. The combined capacity of these three, Illinois-based nuclear units is 2,925 MW, and the operating license extension will enable the units to generate carbon-free power through about 2050.
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LCG, December 12, 2025--Today, the Electric Reliability Council of Texas, Inc. (ERCOT) announced strategic organizational changes designed to accelerate innovation, strengthen grid reliability, and support the unprecedented growth in the demand for electricity across Texas. To meet these objectives, ERCOT created two new organizations: Interconnection and Grid Analysis, and Enterprise Data and Artificial Intelligence (AI). The two organizations will formally launch in January 2026.
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Industry News
SCG&E Announces Plans to Stop Construction and Abandon New Reactors at V.C. Summer Nuclear Station
LCG, August 2, 2017--South Carolina Electric & Gas Company (SCE&G), a subsidiary of SCANA Corporation (SCANA), announced Monday that it will stop construction of the two new nuclear units (Units) at the V.C. Summer Nuclear Station in Jenkinsville, South Carolina and will file a petition with the Public Service Commission (PSC) of South Carolina seeking approval of its abandonment plan. Normal construction activities at the project site will cease immediately and efforts will be shifted toward an orderly transition of winding down and securing the project property.
After the bankruptcy filing of Westinghouse Electric Company, LLC (WEC), SCE&G and its project co-owner, South Carolina Public Service Authority (Santee Cooper), each began a comprehensive process to evaluate the best path forward for the Units. SCE&G reached its decision after considering: (i) the additional costs to complete the Units, (ii) the uncertainty regarding the availability of federal production tax credits (PTC) for the project, (iii) the amount of anticipated guaranty settlement payments from WEC's parent,Toshiba Corporation (Toshiba), and (iv) other factors, including the decision of state-owned Santee Cooper, to suspend construction of the project.
SCANA's Chairman and CEO stated, "We arrived at this very difficult but necessary decision following months of evaluating the project from all perspectives to determine the most prudent path forward. Many factors outside our control have changed since inception of this project. Chief among them, the bankruptcy of our primary construction contractor, Westinghouse, eliminated the benefits of the fixed-price contract to our customers, investors, and other stakeholders. Ultimately, our project co-owner Santee Cooper's decision to suspend construction made clear that proceeding on our own would not be economically feasible. Ceasing work on the project was our least desired option, but this is the right thing to do at this time. Our belief in the benefits of nuclear generation -- not just for the state, but for the nation -- hasn't changed. As we have been doing for more than 30 years, we will continue providing customers with a valuable low-cost, non-emitting source of generation through our operating nuclear unit at V.C. Summer."
SCE&G plans to use the anticipated payments resulting from the settlement of Toshiba's guaranty to mitigate cost impacts to SCE&G electric customers.
The two, AP1000 units under construction were to have provided a total of approximately 2,200 MW of carbon-free, electric generating capacity to serve customers in South Carolina.
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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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