(a) Each corporation shall be operated without profit to its members, but the rates, fees, rents, or other charges for electric energy and any other facilities, supplies, equipment, or services furnished by the corporation shall be sufficient at all times:

(1) To pay all operating and maintenance expenses necessary or desirable for the prudent conduct of its business and the principal of and interest on the obligations issued or assumed by the corporation in the performance of the purpose for which it was organized; and

(2) For the creation of reserves.

(b) The revenues of the corporation shall be devoted first to the payment of operating and maintenance expenses and the principal and interest on outstanding obligations. Thereafter, the revenues shall be devoted to such reserves for improvement, new construction, depreciation, and contingencies as the board may from time to time prescribe.

(c) Revenues not required for the purposes set forth in subsection (b) of this section shall be returned from time to time to the members on a pro rata basis according to the amount of business done with each during the period either in cash, in abatement of current charges for electric energy, or otherwise as the board determines, but return may be made by way of general rate reduction to members if the board so elects.

(d) If a corporation organized under this subchapter declares a capital credit and any capital credit remains unclaimed after notice thereof was transmitted to the last known address of the beneficiary of the unclaimed capital credit, the unclaimed capital credit shall not be deemed unclaimed or abandoned property under § 18-28-201 et seq.