(a) This subtitle does not restrict the rights and powers of a municipality to grant or refuse a franchise to use the streets and alleys in the municipality or to make a statutory charge for that use.
(b) A municipality that performs a regulatory function under this subtitle may make each charge that is authorized by:
(1) this subtitle; or
(2) the applicable franchise agreement.
(c) A franchise agreement may not limit or interfere with a power conferred on the railroad commission by this subtitle.