Tex. Utilities Code § 40.004

Except as specifically otherwise provided in this chapter, the commission has jurisdiction over municipally owned utilities only for the following purposes:

(1) to regulate wholesale transmission rates and service, including terms of access, to the extent provided by Subchapter A, Chapter 35;

(2) to regulate certification of retail service areas to the extent provided by Chapter 37;

(3) to regulate rates on appeal under Subchapters D and E, Chapter 33, subject to Section 40.051(c);

(4) to establish a code of conduct as provided by Section 39.157(e) applicable to anticompetitive activities and to affiliate activities limited to structurally unbundled affiliates of municipally owned utilities, subject to Section 40.054;

(5) to establish terms and conditions for open access to transmission and distribution facilities for municipally owned utilities providing customer choice, as provided by Section 39.203;

(6) to administer the natural gas energy credits program under Section 39.9044(b);

(7) to require reports of municipally owned utility operations only to the extent necessary to:

(A) enable the commission to determine the aggregate load and energy requirements of the state and the resources available to serve that load; or

(B) enable the commission to determine information relating to market power as provided by Section 39.155; and

(8) to evaluate and monitor the cybersecurity preparedness of a municipally owned utility described by Section 39.1516(a)(3) or (4).