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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
Siemens H-class Gas Turbine Fleet Exceeds 200,000 Operating Hours
LCG, March 4, 2016--Siemens announced yesterday that its fleet of H-class gas turbines achieved over 200,000 operating hours in January 2016. Today there are 19 turbines in the SGT-8000H series in commercial operation.
The H-Class gas turbines, which have increased power output from the earlier F-Class turbines, have a gross power output of 296 MW. The high-efficiency gas turbines can achieve efficiencies greater than 60 percent in combined cycle power plants.
The head of Large Gas Turbines and Generators in the Siemens Power and Gas Division stated, "The SGT-8000H achieves a very high degree of efficiency and is marked by short startup times and fast load-changing capabilities. The turbines have proven themselves extensively in daily power plant operation after more than 200,000 hours of operation: The reliability of the SGT-8000H fleet is over 99 percent, and availability is over 96 percent."
The first SGT5-8000H (50-Hz) gas turbine began commercial operations in 2011 in Germany, with the next SGT6-8000H units for the 60-Hz market following in 2013 at Florida Power & Light's Cape Canaveral power plant in Florida, U.S. and the Dangjin 3 plant in South Korea.
Siemens has now sold a total of 76 H-class gas turbines worldwide, and Siemens states that this makes it the most successful gas turbine in this efficiency category on today's market. Worldwide Siemens has sold 39 of the turbines on the 50-Hertz (Hz) market and 37 turbines on the 60-Hz market. The most recent order for two H-class turbines came from Mexico in January 2016 for the CFE Empalme II combined cycle plant.
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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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