Const 1963, art 7, § 25;
No city or village shall acquire any public utility furnishing light, heat or power, or grant any public utility franchise which is not subject to revocation at the will of the city or village, unless the proposition shall first have been approved by three-fifths of the electors voting thereon. No city or village may sell any public utility unless the proposition shall first have been approved by a majority of the electors voting thereon, or a greater number if the charter shall so provide.
Const 1908, art 8, § 25;
No city or village shall have power to abridge the right of elective franchise, to loan its credit, nor to assess, levy or collect any tax or assessment for other than a public purpose. Nor shall any city or village acquire any public utility or grant any public utility franchise which is not subject to revocation at the will of the city or village, unless such proposition shall have first received the affirmative vote of three-fifths of the electors of such city or village voting thereon at a regular or special municipal election; and upon such proposition women taxpayers having the qualifications of male electors shall be entitled to vote.
See also: Const 1963, art 7, § 26