Calhoun County Electric Cooperative is a member-owner of Corn Belt Power Cooperative, a generation and transmission cooperative based in Humboldt, Iowa.

Corn Belt Power Cooperative is a wholesale electric power supplier. Corn Belt Power sells all of its generation output to Basin Electric Power Cooperative, Bismarck, North Dakota. Corn Belt Power and Calhoun County Electric Cooperative are members of Basin Electric Power Cooperative. Below is Basin Electric's diversified winter capability portfolio.