About The Position The Power Supply Coordinator is responsible for oversight and dispatch of all Ameren Missouri generation assets, and maintains continuous real-time operations interface with Ameren Missouri generation assets and the Midcontinent Independent System Operator (MISO) Generation Balancing Authority Operator. The Power Supply Coordinator is also responsible for remote operation of Ameren Missouri's combustion turbine generator (CTG) fleet in accordance with the Remote Operations Procedure, and in accordance with Ameren's standards for asset preservation and conservative operations. The Power Supply Coordinator position is staffed around the clock, and the successful candidate must be able to work a 12 hour rotating shift schedule. Key responsibilities include: • Dispatch generation assets in accordance with MISO setpoint instructions and wholesale market price signals, and ensure that generators are following MISO setpoint instructions. • Manage generator performance and know the maximum/minimum generation capabilities, ramp rates, equipment limitations, unit reliability issues, and other general status information for all Ameren Missouri generation assets. • Maintain and update real-time offer parameters to MISO based on changes in unit or equipment capabilities. Obtain and manage overrides of unit offer parameters as needed for real-time operating conditions. • Maintain communication paths to plant control rooms, and coordinate changes in operational capabilities with unit operators. Communicate with and inform the Transmission Operations Supervisor of all significant generation events. • Be fully aware of market conditions at all Ameren Missouri generation nodes, and coordinate all activities for real-time dispatch of Ameren Missouri generation assets. • Operate Ameren Missouri's CTG fleet within specified operating parameters and other instructions issued by the CTG Group. • Start and stop CTG units in accordance with MISO awards and commitments, and in coordination with real time market decisions from the Real Time Trader and Power Supply Supervisor. • Operate units to maintain the Voltage Schedule published by Ameren Transmission Operations, and monitor generator output to ensure operation stays within the generator capability curve. • Continuously monitor the CTG Alarm Application, take appropriate and required actions to preserve the generation assets, and make timely notifications to appropriate entities. Qualifications Bachelor's degree in engineering, business, science, technology or other relevant disciplines from an accredited college or university is required. Significant experience in power plant operations, power plant maintenance, generation dispatching, MISO Market operations, or transmission system operations in lieu of a degree will be considered. Five or more years of experience in power plant operations, generation dispatching, MISO market operations, analysis, trading, and/or settlements is required. Detailed knowledge of the MISO markets is preferred. In addition to the above qualifications, the successful candidate will demonstrate: Strong verbal and written communication skills, as well as analytical, computer, and problem solving skills are required. Must be highly detail oriented, able to multi- task, and able to manage high pressure situations. Proficiency with Microsoft Excel and Word required. Proficiency with PI ProcessBook is preferred. This position requires completion of an employee background check per North American Electric Reliability Council (NERC) guidelines, and the successful candidate must obtain NERC System Operator Certification within six (6) months of start date. Additional Information Ameren's selection process includes a series of interviews and may include a leadership assessment process. Specific details will be provided to qualified candidates. Compensation Range: $105,100.00 - $162,900.00 At Ameren, base salary is one component of a competitive compensation package for employees. Our pay ranges are broad to allow for movement within our organization and to accommodate different skill sets and levels of expertise. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered. Roles are eligible for additional rewards including annual incentive payments based on individual and company performance. If end date is listed, the posting will come down at 12:00 am on that date: Friday July 31, 2026