Charah Solutions, Inc. provides mission-critical environmental services and byproduct recycling to the power generation industry across the United States; core offerings include remediation and compliance services such as ash pond closures and structural fill projects, byproduct recycling encompassing fly ash marketing and beneficial use of coal combustion products, fossil services for coal ash management including silo management, on-site ash transportation, and disposal of bottom ash, flue gas desulfurization gypsum, and fluidized bed combustion fly ash, EnviroSource fly ash beneficiation technology for processing wet and dry fly ash, raw materials sales and services featuring sourcing, logistics, inventory management, and materials handling for industrial raw materials and cement manufacturing inputs, and environmental risk transfer services that manage remediation requirements for power plant sites. Founded in 1987 and headquartered in Louisville, Kentucky, at 12601 Plantside Drive, the company operates at over 40 coal-fired generation sites nationwide, handling more than 20 million tons of ash annually through its MultiSource materials network and patented technologies like MultiCem slag cement production. In July 2023, Charah Solutions completed its acquisition by funds managed by SER Capital Partners, a private investment firm focused on sustainable investments, transitioning to a wholly owned portfolio company with enhanced strategic resources and utility industry expertise to support growth and customer value.