Tex. Util. Code § 14.051 : UTILITIES CODE — PUBLIC UTILITY REGULATORY ACT — PROVISIONS APPLICABLE TO ALL UTILITIES — JURISDICTION AND POWERS OF COMMISSION AND OTHER REGULATORY AUTHORITIES — PRACTICE AND PROCEDURE — Procedural Powers
The commission may:
(1) call and hold a hearing;
(2) administer an oath;
(3) receive evidence at a hearing;
(4) issue a subpoena to compel the attendance of a witness or the production of a document; and
(5) make findings of fact and decisions to administer this title or a rule, order, or other action of the commission.