The Johnsonburg Mill, located in Johnsonburg, Pennsylvania, operates under the ReliabilityFirst Corporation NERC region. This facility utilizes steam turbine technology and has an operating capacity of 49 megawatts. It is integrated within the PJM Interconnection power control area. The mill is managed by Domtar Paper Company, which also serves as the majority owner. The plant operates in an unregulated environment and is held by First Management Limited. Notably, the Johnsonburg Mill utilizes biomass as its primary fuel source, aligning with sustainable energy practices.