Trigen St. Louis is a state-of-the-art combined cycle power plant located in Saint Louis, Missouri, operating under the jurisdiction of the SERC Reliability Corporation. With an operating capacity of 30.6 megawatts, the facility plays a vital role in the Midcontinent Independent System Operator’s power control area. The plant is managed by Ashley Energy, which also serves as the majority owner and holding company. As an unregulated entity, Trigen St. Louis utilizes natural gas as its primary fuel source, ensuring efficient and reliable energy production to meet the demands of the region.