St. Joseph Energy Center, located in New Carlisle, Indiana, operates under the jurisdiction of the ReliabilityFirst Corporation within the NERC region. This facility utilizes combined cycle technology and boasts an operating capacity of 760 megawatts. It is integrated into the PJM Interconnection power control area, ensuring efficient energy distribution and reliability. The plant is operated and majority-owned by Wabash Valley Power Alliance, which also serves as the holding company. St. Joseph Energy Center is regulated, reflecting its compliance with industry standards and regulations. Additionally, Hoosier Energy Rural Electric Cooperative is recognized as another owner of the power plant.