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News
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LCG, November 6, 2025--X-energy Reactor Company, LLC, (X-energy) and the U.S. Office of Nuclear Energy today announced the start of confirmatory irradiation testing at Idaho National Laboratory (INL) to qualify X-energy’s proprietary TRISO-X fuel pebbles for commercial use in the Xe-100 Small Modular Reactor (SMR). (TRISO stands for TRi-structural ISOtropic). This is the first time that TRISO-X fuel pebbles will undergo irradiation testing in a U.S. lab, which is a critical step in meeting requirements set forth by the U.S. Nuclear Regulatory Commission (NRC) for the commercial deployment of advanced reactors that will use the fuel.
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LCG, October 28, 2025--NextEra Energy and Google yesterday announced two agreements that will help meet growing electricity demand from artificial intelligence (AI) with clean, reliable, 24/7 nuclear power and strengthen the nation's nuclear leadership. First, Google signed a new, 25-year agreement for power generated at the Duane Arnold Energy Center, Iowa's only nuclear power facility. The 601-MW boiling water reactor unit was shut down in 2020 and is expected to commence operations by the first quarter of 2029, pending regulatory approvals to restart the plant.
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Industry News
Federal Government uses UPLAN model to examine price volatility in ERCOT
LCG, October 11, 2022--The U.S. Energy Information Administration, or EIA, released its latest supplement to the Short-Term Energy Outlook (STEO) in the Texas market, assessing various possible scenarios using LCG’s UPLAN NPM model, with a special focus on the effects on wholesale power prices and market conditions.
To balance the supply of electricity and power demand, grid operators must make sure that there is an adequate supply to meet demand in an uncertain future. Texas's grid operator, the Electric Reliability Council of Texas (ERCOT), allows the energy component of wholesale prices to increase substantially when the resource reserve is low, called scarcity pricing. This price volatility provides an incentive for new capacity investments.
In the EIA’s report, four scenarios were explored: 1) Normal levels of load and wind generation, 2) High levels of peak electricity load, 3) Low levels of wind generation, and 4) Simultaneous occurrence of high peak load and low wind generation. These scenarios are similar to those ERCOT considers in its Seasonal Assessment of Resource Adequacy.
EIA used UPLAN and LCG’s PLATO database to develop the forecasts for electricity supply. The resultant dataset, including the fuel consumption, the electricity generation and the wholesale electricity price were then fed into EIA’s own model, the U.S. Short-Term Energy Model, to produce the final results.
Among other findings, EIA’s investigation showed pricing is sensitive to the variable cost of generation in the early morning and at the end of the day. When the demand starts to rise during the midday, electricity prices can rise significantly above the marginal costs. Scarcity pricing is more likely when wind generation is low than when the demand is high. And the impact of low wind and high load on prices varies across the ERCOT region.
To read the full EIA study visit https:/www.eia.gov/outlooks/steo/special/supplements/2022/2022_sp_03.pdf
See previous press release for more on EIA's modeling work using the UPLAN model.
EIA Releases Study on Drought Effects on California Electricity Generation and Power Market using UPLAN Mode
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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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