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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
NRC Okays Cook Unit 1 Restart
LCG, Dec. 14, 2000--American Electric Power Co. Inc.'s problem with dirty ice is about to end. The Nuclear Regulatory Commission told the company yesterday that it could restart its 1,020 megawatt Cook Unit 1 nuclear power plant.Both that reactor and the 1,090 megawatt Cook Unit 2 were shut down in September 1997 because an NRC investigation questioned the capabilities of plant emergency systems to meet design requirements. Dirty ice was the problem.But ice in a nuclear power plant where electricity is generated by steam? A nuclear reactor has an ice condenser to rapidly absorb heat released in the event of loss of coolant or a steam line break and to provide water for long-term cooling. Each of Cook's two units has more than 2.5 million pounds of ice held in 1,944 cylindrical baskets that are 40 feet long.NRC inspectors found the ice in both Cook units to be contaminated with debris that could, when the ice melted, interfere with pumps and conduits. It was eventually decided that the only course of action was to allow the ice to melt, fix the ice baskets, clean up the mess and start over with fresh ice.The company restarted Unit 2 in June and hoped to get Unit 1 back on-line in the first quarter of next year. Yesterday, James Dyer, NRC Region III Administrator, said in a letter to AEP that "the NRC has completed the actions necessary prior to restart of Unit 1."" This is great news. A dedicated Cook team has worked very hard to demonstrate to the NRC thatour plant, processes and people are ready to resume safe operation," said Bob Powers, AEP seniorvice president for nuclear generation. "There's always the potential that emergent maintenance itemscould impact the schedule, but if our progress continues at the current pace, we'll beat our firstquarter 2001 projection."Once the reactor begins operation and reaches about 9 percent power, the output of the generatorwill be connected to the AEP transmission grid. An ascension to full power includes several holdpoints for additional system checks and tests, and is expected to take an additional 10 days. That could put Cook Unit 1 on-line by the end of the year.
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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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