Texas Utilities Code - UTIL § 161.123. Powers Relating to Provision of Electric Energy

(1) generate, acquire, and accumulate electric energy and transmit, distribute, sell, furnish, and dispose of that electric energy to its members only;

(2) assist its members only to wire their premises and install in those premises electrical and plumbing fixtures, machinery, supplies, apparatus, and equipment of any kind, and in connection with those activities:

(3) furnish to other electric cooperatives or their members electric energy, wiring facilities, electrical and plumbing equipment, and services that are convenient or useful;  and

(4) establish, regulate, and collect rates, fees, rents, or other charges for electric energy or other facilities, supplies, equipment, or services furnished by the electric cooperative.