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News
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LCG, November 19, 2025--Oklo Inc. and Siemens Energy announced today that the parties have signed a binding contract for the design and delivery of the power conversion system for Oklo’s Aurora-INL (Idaho National Laboratory) nuclear small modular reactor (SMR). The agreement authorizes Siemens Energy to begin engineering and design work to expedite procurement of long-lead components and to initiate the manufacturing process for the power conversion system. Oklo’s expertise in advanced fission technology will be combined with Siemens Energy’s extensive industry experience with steam turbine and generator systems, with the ultimate goal of generating carbon-free, reliable electricity.
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LCG, November 19, 2025--NERC yesterday released its 2025–2026 Winter Reliability Assessment (WRA), which concludes "much of North America is again at an elevated risk of having insufficient energy supplies to meet demand in extreme operating conditions." The WRA does state that resources are adequate for normal winter peak demand, but extended, wide-area cold snaps will be challenging.
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Industry News
Southern Files for New Nuclear Reactors at Plant Vogtle
LCG, August 16, 2006--Southern Nuclear Operating Company yesterday filed an application with the Nuclear Regulatory Commission (NRC) for an Early Site Permit (ESP) on behalf of the owners of the Alvin W. Vogtle Electric Generating Plant located near Waynesboro, Georgia. Southern had previously announced that it has selected the Westinghouse AP1000 reactor design for the two new reactors included in the project. The new electric generating capacity, which would total about 2,200 MW, is intended to meet the rapidly rising demand for power in the Southeast.
The plant owners consist of Southern Company subsidiary Georgia Power Company, Oglethorpe Power Corporation (OPC), the Municipal Electric Authority of Georgia (MEAG) and the City of Dalton. Southern Nuclear is a subsidiary of Southern Company and operates the existing two reactors at Plant Vogtle, plus two other nuclear stations in Georgia and Alabama.
The intent of filing the ESP is to enable the NRC to initiate the review of the site where the reactor units would be installed prior to the owners committing to building the new units, thereby reducing regulatory uncertainty associated with the project. Filing the ESP is not a commitment from the owners to proceed with the expansion project but preserves the option to proceed in a timely fashion to meet anticipated electric supply needs in the 2015 timeframe. In addition to NRC approval, Georgia Power will need approval from the Georgia Public Service Commission prior to proceeding with construction.
Southern Nuclear also announced yesterday that it plans in 2008 to file a Combined Construction and Operating License (COL) with the NRC for the new reactor units at Plant Vogtle. The COL would provide a single license to construct and operate the new reactors based on the previously filed ESP.
In addition to the expansion proposed at Plant Vogtle, Southern Company is pursuing the installation of four other new nuclear reactors - all using the AP1000 reactor design - at two other sites in the Southeast. In March, Southern announced that it executed an agreement with Duke Power (Duke) to jointly pursue the development of a new nuclear power plant at a site in Cherokee County, South Carolina. Duke will be the developer and plant operator, and Southern will be a co-owner of the plant located outside of Southern's traditional service territory.
At the Cherokee County site, Duke plans to proceed to prepare an application to the NRC for a COL for two Westinghouse AP1000 reactors. The COL is scheduled to be submitted to the NRC by early 2008.
In March of this year, Southern also announced another joint proposal with Tennessee Valley Authority (TVA) whereby the two companies would jointly pursue the construction of two new nuclear reactors at TVA's Bellefonte plant site near Scottsboro, Alabama.
The AP1000 reactor incorporates passive safety features that rely upon natural forces. The NRC approved the Design Certification for the AP1000 standard nuclear plant design on December 30, 2005. The AP1000 has also been selected by Progress Carolinas, SCANA and Santee Cooper as the basis for additional COL applications to construct new nuclear reactors.
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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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