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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

PacifiCorp Weighs Options for Coal-fired Power Plants

LCG, April 27, 2012--PacifiCorp, a unit of MidAmerican Energy Holdings, announced yesterday that future federal and state environmental requirements for its coal fleet would cost over $1 billion in coming years. As a result, its fleet is expected to reduce coal consumption and increase reliance on natural gas.

The company is evaluating a number of options at its coal plants. To comply with state and federal air quality regulations to improve visibility in national parks and wilderness areas, the company has concluded that the preferred option is to convert the 330-MW Naughton 3 coal-fired unit in Wyoming to low-cost natural gas, rather than installing new emission controls for coal that will be required after 2014.

In Utah, PacifiCorp is evaluating compliance options in response to the utility mercury and air toxics standards (MATS) at its 172-MW Carbon coal-fired plant. At this time, the company has determined the lowest cost option for the aging Carbon plant is to decommission the facility, although additional options are still be being pursued.

PacifiCorp is also developing other gas-fired facilities, including the construction of a 637-MW natural gas-fired, combined cycle plant at its Lake Side facility south of Salt Lake City. The new facility is scheduled to commence operation in the summer of 2014.
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