Minn. Stat. § 455.24: SUBMISSION TO VOTERS.

Before incurring any expense under the powers conferred by section 455.23, the approval of the voters of the city shall first be had at a general or special election held therein. If a majority of the voters of the city participating at the election shall vote in favor of the construction of the system of poles, wires and cables herein authorized to be made, the council shall proceed with the construction.