SDCL § 9-41A-25: Purchase, sale, and transmission of electric energy--Agreements.

A municipal power agency may purchase, sell, exchange, or transmit electric energy within and outside the state in amounts it shall determine to be necessary and appropriate to make the most effective use of its powers and to meet its responsibilities, and may enter into agreements with any person with respect to that purchase, sale, exchange, or transmission, on terms and for a period of time as its board of directors determines.