| Name | Title | Contact Details |
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Buckeye Power is the generation and transmission cooperative through which the cooperatives own Units 2 and 3 at the Cardinal Station. The two units combined produce 1,230 megawatts (MW) of power.
Southeastern IL Electric Co-op is a Eldorado, IL-based company in the Energy and Utilities sector.
Southern Illinois Electric Cooperative is a Dongola, IL-based company in the Energy and Utilities sector.
Kwik Trip Oil Company is a Jacksonville, FL-based company in the Energy and Utilities sector.
American Electric is a Florence, AL-based company in the Energy and Utilities sector.