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Public Service Company of Oklahoma Completes Acquisition of Green Country Power Plant

LCG, July 3, 2025--American Electric Power (AEP) announced today that on June 30, the 795-MW Green Country Power Plant officially became part of the generation portfolio of Public Service Company of Oklahoma (PSO), a unit of AEP.

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Alliant Energy Submits Plans to Iowa Utilities Commission for the Addition of 1,000 MW of Wind Capacity

LCG, July 2, 2025--Alliant Energy today announced plans to add up to 1,000 MW of wind energy generating capacity in Iowa to meet demand and ensure reliable, affordable energy for its customers. The plans are included in a filing with the Iowa Utilities Commission (IUC), and the company anticipates a decision from the IUC in the first quarter of 2026.

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Industry News

Midwest ISO Commences Commercial Operations of New, LMP-Based Market

LCG, April 4, 2005--The Midwest Independent Transmission System Operator (Midwest ISO) formally began commercial operations of its new, Day-Ahead and Real-Time electricity markets on April 1, 2005. Elements of the new market design include centralized, security-constrained unit commitment; security-constrained economic dispatch; locational marginal pricing (LMP); and a market for financial transmission rights (FTRs).

The Federal Energy Regulatory Commission (FERC) conditionally accepted the Midwest ISO's proposed Open Access Transmission and Energy Markets Tariff (TEMT) last August. The implementation of the new market design is another landmark following the FERC's release of Order 2000 in December 1999 and its subsequent efforts to create Regional Transmission Organizations (RTOs). The Midwest ISO's new market design is based upon the FERC's Standard Market Design (SMD) and is similar to the electricity markets of the northeast, i.e., PJM, the New York ISO and ISO New England.

The Midwest ISO service territory extends from eastern Montana through the upper Midwest - including Manitoba - and south to parts of Kentucky and Missouri. With the implementation of the TEMT, the FERC's SMD, with LMP-based pricing, will generally be in use throughout the northern half of the Eastern Interconnect.

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UPLAN-NPM
The Locational Marginal Price Model (LMP) Network Power Model
Uniform Storage Model
A Battery Simulation Model
UPLAN-ACE
Day Ahead and Real Time Market Simulation
UPLAN-G
The Gas Procurement and Competitive Analysis System
PLATO
Database of Plants, Loads, Assets, Transmission...
CAISO CRR Auctions
Monthly Price and Congestion Forecasting Service