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News
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LCG, October 6, 2026--Google and Constellation Energy today announced a long-term strategic clean energy collaboration to bring 890 MW of new, reliable, carbon-free nuclear capacity onto the PJM Interconnection grid to meet growing demand and increase grid reliability. The first uprate is expected to be delivered by 2028.
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LCG, October 5, 2026--The U.S. Department of Energy’s (DOE) Office of Energy Dominance Financing (EDF) today announced a conditional loan commitment of up to $4.2 billion to finance nuclear uprates and modernization across Vistra’s nuclear fleet in Pennsylvania and Ohio. The projects are expected to preserve nearly 4 GW of carbon-free, baseload power and add 433 MW of new nuclear capacity that will support the growing electricity demand across the PJM region.
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Industry News
Arizona Corporation Commission Rejects Utilities' Integrated Resource Plans
LCG, March 22, 2018--The Arizona Corporation Commission last week rejected the Integrated Resource Plans (IRPs) filed by Tucson Electric Power Co. (TEP), sister utility UniSource Energy Services (UNS) and Arizona Public Service Co. (APS) and has ordered them to develop plans that reduce their dependence upon natural gas and new, gas-fired power plants. The Commission prefers greater reliance on renewable energy and storage.
The Commissioners voted 3-2 to reject the resource plans. However, the Commission unanimously approved the final order to reject the plans. The Commission did not accept a Commission Staff recommendation to approve that the resource plans. The Commission placed a moratorium through 2018 on the purchase of any natural-gas power plant with a generating capacity greater than or equal to 150 MW. Furthermore, the Commission approved a new process to revamp the rules.
The three electric utilities are required to file IRPs every two years. The IRPs include 15-year forecasts of energy demand and supply resources to meet that load, including a three-year action plan.
The Commission adopted a new proposal that requires the utilities to prepare IRPs that include at least one supply portfolio where the addition of fossil fuel resources does not exceed 20 percent of all resource additions. Furthermore, a proposal was supported to add scenarios including a least one gigawatt of energy-storage capacity, and at least 50 percent "clean energy resources," including biomass energy and energy efficiency measures.
An APS spokesperson stated, "Our plan keeps Arizona on course for a cleaner energy future, so we respectfully disagree with the Commission's decision not to acknowledge any IRPs (integrated resource plans) even after Commission Staff determined they were complete and responsive to the filing requirements. We all agree on the goal of cleaner energy, and this decision doesn't change that - or how we will meet our customers' energy needs in the near-term."
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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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