Employees in positions assigned to this series work in a power plants that provide heating and cooling, chilled water and electricity, including cogeneration plants. These plants use coal, natural gas, fuel oil or other fuel, and water. Power plant employees are responsible for the operation and maintenance of equipment that produces steam and electricity, as well as equipment for pollution-control systems and air conditioning. They may also work with general power plant equipment building ventilation and air-conditioning equipment, pumps, compressors, and other building mechanical equipment.
Operators in this series may assist in the operation of, or operate, plant equipment (such as boilers, turbines, pollution-control equipment, water-treatment equipment and associated equipment). They are also responsible for reading gauges, maintaining logs, and cleaning equipment.