Public Service Co. of Oklahoma (PSO), a subsidiary of American Electric Power (NYSE: AEP), filed its Environmental Compliance Plan with the Oklahoma Corporation Commission (OCC) to meet U.S.
AEP-PSO will shut down its Oologah coal-fired generation units for up to two years for environmental upgrades if a federal regional haze reduction plan goes forward unchanged, company officials ...
AEP-PSO notified state regulators Wednesday about its long-term plan to eventually close two coal-fired generation units and meet federal environmental standards for emissions and air quality. The ...
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