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News
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LCG, December 18, 2025--RWE and Indiana Michigan Power Company (I&M), an American Electric Power (AEP) company, today announced their partnering to provide new wind power generation capacity online to meet Indiana’s growing electricity demand. The companies signed a 15-year power purchase agreement (PPA) for the total output from RWE’s 200 MW Prairie Creek wind project in Blackford County, Indiana. I&M will purchase electricity from the wind project, which will further diversify its portfolio and be consistent with its all-of-the-above strategy to secure generation for its rapidly growing electricity demand.
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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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Industry News
NRC Issues Licenses to Duke for Two New Nuclear Reactors in South Carolina
LCG, December 23, 2016--The Nuclear Regulatory Commission (NRC) announced its issuance on Monday of two Combined Licenses (COL) for Duke Energy Carolinas' William States Lee III site in South Carolina. The licenses authorize Duke to construct and operate two AP1000 reactors at the site, near Gaffney, South Carolina.
In October 2005, Duke announced its plans to develop and submit an application to build the two reactors. Over nine years ago from today, Duke submitted the Lee application on December 12, 2007 to the NRC. In February 2008, Duke received notification from the NRC that the COL application was accepted and docketed. However, in October 2014, the NRC stated that it would not make a decision on the COL application until 2016 due to federal budget cuts and Duke's decision late in 2012 to change the location of the reactors by approximately 66 feet.
The NRC certified the 1,100-MW AP1000 design in 2011.
The NRC's Advisory Committee on Reactor Safeguards independently reviewed aspects of the application that concern safety, as well as the staff's final safety evaluation report. The committee provided the results of its review to the Commission just over a year ago on December 14, 2015. The NRC completed its environmental review and issued the final impact statement for the proposed William States Lee reactors three years ago in December 2013.
The new licenses contain conditions, including: specific actions associated with the NRC's post-Fukushima requirements for Mitigation Strategies and Spent Fuel Pool Instrumentation, and a pre-startup schedule for post-Fukushima aspects of the new reactor's emergency preparedness plans and procedures.
Duke has not made a final decision to build the Lee Nuclear Station. With an ever-changing regulations and low natural gas prices over the past few years, the COL provides an option to construct the reactors to meet the future needs of Duke's customers.
Duke's proposal is relatively unique for the United States in that Duke plans to build the reactors at a greenfield site, rather than to add capacity at an existing nuclear power station.
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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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