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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

SMUD's Control Area Departs ISO

LCG, June 20, 2002--Early this week, the Sacramento Municipal Utility District took over operation of its own control area from the California Independent System Operator, partly to insulate itself from what SMUD's board President Genevieve Shiroma called "market-driven blackouts".

The move will not change rates for customers within SMUD, but it will mean SMUD will make all minute-to-minute balancing decisions to keep demand and supply of power in equilibrium. As such, the utility district will no longer pay grid-management charges to the ISO. Jim Tracy, director of SMUD's planning and budget, told the Sacramento Bee that, depending on the direction of ISO's charges, SMUD might save $2 to $30 million yearly, starting in 2003.

SMUD will not be subject to ISO-instigated rolling blackouts, although if there is a chance that the ISO grid could collapse due to equipment failure, SMUD would be prepared to act as needed. In situations in which generators do not generate within the ISO control areas for fear of not being paid, SMUD would have no obligation to the ISO.

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