5-14-17. Electric generating plants--Federal contracts for purchase of energy--Discontinuation of generation and maintenance of standby plants. Each department or agency of state government operating and maintaining an electrical energy producing plant may enter into a contract with the United States of America for the purchase of electrical energy. The contract may include stipulations that the generation of electrical energy may be discontinued. The department or agency may maintain such a plant in a serviceable operating condition for standby service for the generation of electrical energy if required so to do by the United States.