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Prairie State’s power plant consists of two supercritical units with an output capacity of 800 MW each. Both units are monitored onsite in the power plant control room.


Missouri Joint Municipal Electric Utility Commission (MJMEUC)

The Missouri Joint Municipal Electric Utility Commission is a state-wide Joint Action Agency specifically authorized by state law to operate as an electric utility for the benefit of the combined requirements of the members.

Established by six charter members, the commission has grown to a membership of 67 municipally-owned retail electric systems ranging in size from approximately 230 to approximately 109,700 meters. These municipal and cooperative electric systems serve 347,000 retail customers and have a combined peak load of over 2,639 MW.

MJMEUC may construct, operate and maintain jointly owned generation and transmission facilities for the benefit of members. The commission has the authority to enter into contracts for power supply, transmission service, and other services necessary for the operation of an electric utility. Full membership in the Missouri Joint Municipal Electric Utility Commission by Missouri municipal utilities requires approval of a Joint Contract and acceptance by the board of directors.

Each member is represented on the board of directors by a director and alternate director that are appointed by the member at the time their joint contract is executed.

Kentucky Municipal Power Agency (KMPA)

KMPA, headquartered in Paducah, Kentucky, was created in 2005 by a group of forward thinking municipally owned electric systems in Kentucky to deliver affordable and reliable electric power to customers while keeping in mind a responsibility to the environment.

KMPA is a “Joint Public Agency.” This means that KMPA is a not-for-profit organization owned and governed by its members, who are all representatives of public power. These members work together to maximize the benefit to the communities they serve, and the communities that own the electric utility.

KMPA helps its members in the coordination of planning, construction and operation of new energy facilities, as well as joint purchases, sales, and exchanges of electric power.