Public Utilities:

Power to acquire public utilities.
    Section 126. The City shall have power to acquire, construct, maintain and operate any or all public utilities, either within or without the corporate limits of the City. The City may also acquire, lay, maintain and own all fixtures located in the streets and public places necessary for the operation of public utilities and may in like manner acquire, construct, maintain and own public utility plants, whether for manufacture or distribution, or both, either within or without the corporate limits of the City.

Income of utilities owned.
    Section 127. All income derived from the operation or management of any public utility by the City shall be devoted exclusively to the payment of expenses of operating, maintaining, improving or bettering such public utility and to the payment of any debts and interest thereon which may have been incurred for the acquiring, improving, operating or maintaining of such utility.