Article XI Section 9 California Constitution

Below is the content of Article XI Section 9 of the California Constitution 

(a) A municipal corporation may establish, purchase, and operate public works to furnish its inhabitants with light, water, power, heat, transportation, or means of communication. It may furnish those services outside its boundaries, except within another municipal corporation which furnishes the same service and does not consent.

(b) Persons or corporations may establish and operate works for supplying those services upon conditions and under regulations that the city may prescribe under its organic law.

See also: Article XI Section 8 California Constitution