Power Supply Supervisor - Generation Coordinator

About Ameren Missouri

Ameren Missouri has been providing electric and gas service for more than 100 years, and our electric rates are among the lowest in the nation. Ameren Missouri's mission is to power the quality of life for our 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. Our service area covers 64 counties and more than 500 communities including the greater St. Louis area.

Our benefits include :

Medical coverage on date of hire

100% employer paid cash balance pension plan

401(k) with company match fully vested on date of hire

Minimum of 15 days paid vacation and 12 paid holidays

Paid parentalleave and family caregiver leave

Visit our Benefits & Perks Page for more information on benefits provided to regular full-time employees.

Position Description

The Power Supply Supervisor (Generation Coordinator) manages the planning and coordination of major generation events, including outages, derates, and testing for all Ameren Missouri generation assets. Coordination efforts cover next-day and longer term forward planning periods.

Key responsibilities include :

• Manage generation activities and perform operations planning for Ameren Missouri generation assets, in concert with the Power Supply Supervisor on shift.
• Maintain communication paths and continuous operations interface with Ameren Missouri generation plant management and planning staff, and discuss emergent issues that can affect plant output or availability.
• Manage planning and coordination of major generation events, especially for longer term forward planning.
• Conduct the Ameren Missouri generation conference call each business day morning, and compile reported information on capabilities, limitations, reliabilities and other general status information.
• Disseminate generation information to Ameren internal stakeholders via the morning conference call summary e-mail.
• Update the system status on the Genesis unit status page each morning prior to 8 : 00 am, and anytime throughout the day as system conditions or market conditions change.
• Conduct generation information meetings with Traders, Power Supply Supervisor, and Power Supply Coordinator to review unit status and discuss management of assets.
• Work with the Power Supply Supervisor to manage outage information in the outage tracking tool, and ensure that all information is accurate and up to date. Ensure that all unit outages are communicated to MISO via the CROW application
• Facilitate the Ameren Missouri generation outage scheduling team, and manage the Major Outage Schedule in Genesis.
• Monitor conditions on the Missouri and Mississippi Rivers, and provide reports to Ameren Missouri on when river level or temperature conditions have the potential to affect operation or output of the generation assets.
• Coordinate annual MISO Generation Verification Testing.
• Provide reporting information to Ameren Legal for submission to the Missouri Public Service monthly Planned Outage and Testing Reports, and Commission Electronic Filing and Information System (EFIS).
• Issue conservative operation alerts for extreme weather, MISO reliability orders, loss of internal generation resources due to unit outages, transmission system issues, etc., to Ameren Missouri generation assets.
• Evaluate and coordinate short term outages, derates, and testing (i.e. performance, environmental, controls tuning, or any other event that affects unit output or reliability) requested by Ameren Missouri generation assets. Review and approve derate and outage requests submitted by plant personnel via the outage tracking tool, or communicated via phone communications, and gather all pertinent economic and operational information.
• Coordinate asset management decisions regarding the timing of derates, outages, testing and reliability issues when asset management and conservative operations principals allow.
• Work with the Optimization Specialist - Operations, the Power Supply Supervisor, and Traders to perform economic and position analyses to determine the optimal timing of requested outages, derates, and testing to make prudent asset management decisions. Communicate and work with plant personnel regarding asset management decisions.
• Review MISO must offer non-compliance reports, and ensure actions are taken to mitigate instances of non-compliance.
• Other responsibilities Comply with all department procedures, MISO Tariff, MISO business practice manuals, MISO procedures, Maintain NERC Certification, and NERC Reliability Standards. Use E-Log to document all actions and communications.
• Conduct bi-annual meetings with Ameren Missouri generation plant management and planning staff for summer and winter readiness.

Qualifications

Bachelor's degree in engineering, business, or technology 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. Seven 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 required.

In addition to the above qualifications, the successful candidate will demonstrate :

Exceptional verbal and written communication skills are required. Analytical, computer, and problem solving skills are required, as well as being able to multi-task and manage high pressure situations. Must have strong initiative and be highly motivated individual. Proficiency with Microsoft Excel and Word required. Proficiency with ProcessBook required. This position requires an employee background check according to NERC guidelines.

Additional Information

Ameren's selection process includes a series of interviews and may include an assessment process. Specific details will be provided to qualified candidates. Career level dependent upon applicant qualifications.

Compensation Range :

$102,500.00 - $158,900.00

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 :

Wednesday October 22, 2025

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.