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News
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LCG, March 13, 2026--The Southwest Power Pool (SPP) announced yesterday that leaders from the participating organizations voted unanimously to proceed as planned with expanding its regional transmission organization (RTO) services into the Western Interconnection. SPP sees the decision to proceed as planned as a strong signal of confidence as SPP and its partner utilities prepare for this key milestone, which will occur overnight between March 31 and April 1.
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LCG, March 6, 2026--Entergy yesterday announced approximately $5 billion in total savings for 2.3 million customers in Arkansas, Louisiana and Mississippi resulting from data center customer agreements in those states. Entergy, which completed its first data center customer agreement in 2024, projects the customer savings over the next 20 years and after the regulatory approval or acknowledgement of the public service commissions in those states.
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Industry News
AEP Plans to Retire 585-MW Coal-Fired Unit In Ohio
LCG, July 12, 2013--American Electric Power (AEP) announced yesterday that it plans to retire its 585-MW coal-fired Muskingum River Plant Unit 5 in 2015. In March 2012, AEP announced its intent to retire Muskingum River Units 1-4 (840 MW) in 2015.
In February 2013, AEP reached an agreement with other parties to modify the company's 2007 New Source Review Consent Decree so as to provide AEP the option to retire Muskingum River Unit 5 or refuel it with natural gas. According to AEP, given the cost of compliance with environmental regulations and current market conditions, AEP has determined that it is unlikely to make the capital investment to refuel the unit.
The Muskingum River Plant, located in Beverly, Ohio, was commissioned in 1953. Unit 5 has already been retrofitted with a selective catalytic reduction (SCR) system to control NOx emissions.
AEP previously announced the planned retirement of 2,538 MW of coal-fueled generation owned by AEP Ohio in Ohio and West Virginia by the end of 2015. The addition of Muskingum River Unit 5 brings AEP Ohio's total retirements to 3,123 MW. The remaining 10,725 MW of AEP Ohio-owned generation (including 2,427 MW slated to be transferred to Appalachian Power and Kentucky Power following state regulatory approvals) will consist mostly of low-emitting, fully controlled coal-fueled plants, natural gas-fueled combined cycle and combustion turbines, and a small hydro plant.
In AEP's March 2012 announcement, AEP stated the decision to retire the units was primarily to comply with a series of Environmental Protection Agency (EPA) regulations. At that time, AEP stated, "We continue to have serious concerns about the potential impact these plant retirements - and retirements of generation announced by other utilities - will have on the reliability of the electricity grid."
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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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