Environmental Controls Scrubbers and Environmental Controls. Appalachian Power parent company American Electric Power (AEP) has invested more than $5 billion since 2004 to retrofit a number of its coal-fired power plants with environmental controls.
Waterkeeper Alliance On Sunday, Oct. 14, 70 people gathered on Lake Julian in front of the Asheville coal-fired power plant to protest increased levels of water pollution from the scrubbers at the facility and launch a multi-year campaign to move Asheville Beyond Coal.