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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

PJM Submits Shipment Reliability Report

LCG, August 14, 2002-PJM Interconnection, responsible for reliability in the mid-Atlantic states, is developing methods to prevent inconsistencies between scheduled and delivered electricity and has submitted its report to federal regulators.

Last month PJM found that price signals were affected by misappropriated electricity, causing higher power prices. Energy companies had sent as much as 3,000 MW capacity by way of a western transmission line although none had been scheduled for the line. This inconsistency caused a $70 price gap between western and southern electricity in the region.

The names of the involved companies have not been released by PJM, but the grid operator has altered its market rules and is developing the Locational Marginal Pricing System, or LMP.

Until LMP is in place, which would put a premium on electricity sent to areas with generation or transmission limitations, PJM will use the rule changes it instated in July.

Since the discovery of the scheduled-delivered energy discrepancy, electricity sent between Mid-Atlantic and Midwest areas will have prices assigned to it at the boundary between the two regions' transmission control areas.

Those companies involved in sending electricity by way of unscheduled routes will not be prosecuted, according to PJM market monitoring unit manager Joseph Bowring.

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