Consumers Energy Cooperative, an Iowa cooperative association, is hereby granted and vested with the right, franchise and privilege for a period of twenty-five (25) years from the effective date of the ordinance codified in this chapter to acquire, construct, operate and maintain in the City the necessary facilities for the production, distribution, transmission and sale of gas and electricity for public and private use and to construct and maintain along, upon, across and under the streets, highways, avenues, alleys, bridges and public places the necessary fixtures and equipment for such purposes.