Sec. 186.001.  DEFINITION.  In this subchapter, "public utility" means and includes a private corporation that does business in this state and has the right of eminent domain, a municipality, or a state agency, authority, or subdivision engaged in the business of:
(1)  generating, transmitting, or distributing electric energy to the public;
(2)  producing, transmitting, or distributing natural or artificial gas to the public;  or
(3)  furnishing water to the public.
Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.