Okla. Stat. tit. 82 § 870
The district shall have power and is hereby authorized to issue from time to time, as the need therefor arises, revenue bonds for its corporate purposes in such amount or amounts not to exceed One Billion Four Hundred Ten Million Dollars ($1,410,000,000.00), or in the event that the Oklahoma Department of Commerce has approved an application under the provisions of division (1) of subparagraph a of paragraph 1 of subsection E of Section 4 of the Large-scale Economic Activity and Development Act of 2022 not to exceed Two Billion Dollars ($2,000,000,000.00), outstanding at any time as are necessary, incidental or convenient to the exercise of the powers, rights, privileges and functions conferred upon it by this act, or any other act or law, and without limitations of the generality of the powers, rights and privileges heretofore granted, for acquiring a steam generating plant or plants and related facilities, and to extend, improve and reconstruct the same; and for constructing, installing and acquiring dams, reservoirs, hydroelectric power plants, or any electrical generating plant or plants or any other electrical power or generating facilities; or any plant or plants for the production of steam for heating and processing purposes; and all and any facilities of every kind necessary, incidental or convenient for the production and generation of electric power and energy; and for acquiring, constructing and installing transmission lines, substations and all facilities necessary, incidental or convenient to the sale, resale, interchange and distribution of electric power and energy; and for carrying on the business and functions of the district, as is now or hereafter may be authorized by law; and for acquiring additions and improvements to and extensions of facilities, at any time existing, of the district; and for the acquisition of lands and rights-of-way for such use as is now, or may be, authorized by law for the construction, replacement and repair of any dams, plants or other facilities of the district; and to enable it to finance, in cooperation with any "public agency", as defined under the Interlocal Cooperation Act, Sections 1001 through 1008 of Title 74 of the Oklahoma Statutes, any other agency of government, rural electric co-op corporation, or any private or public corporation, the development and utilization of electrical energy or the water resources and rights in waters vested in said district for such purposes as are, or may be, authorized by the laws of Oklahoma, and for financing and refinancing present outstanding obligations of the district, including the payment of any claims, charges or interest on bonds required to be paid. The bonds herein authorized may either be (1) sold for cash, at public or private sale, at such price or prices as the Board shall determine with the advice and assistance of the State Bond Advisor, or (2) may be issued on such terms as the Board shall determine in exchange for property of any kind, real, personal or mixed, or any interest therein which the Board shall deem necessary, incidental or convenient for any such corporate purposes, or (3) may be issued in exchange for like principal amounts of other obligations of the district, matured or unmatured, or (4) may be issued in such principal amounts that when the proceeds thereof are invested in legal and qualified investments, the proceeds together with the resulting proceeds of such investments will be sufficient to retire the outstanding indebtedness or any portion thereof at maturity or at prior redemption or upon purchase or tender for purchase. The proceeds of sale of such bonds shall be deposited in such bank or banks or trust company or trust companies, and shall be paid out pursuant to such terms and conditions as may be agreed upon between the district and the purchasers of such bonds. All such bonds shall be authorized by resolutions of the Board concurred in by at least four of the members thereof, and shall bear such date or dates, mature at such time or times, bear interest at such rate or rates, at such time or times, be in such denominations, be in such form, either coupon or registered, carry such registration privileges as to principal only or as to both principal and interest, and as to exchange of coupon bonds for registered bonds or vice versa, and exchange of bonds of one denomination for bonds of other denominations, be executed in such manner and be payable at such place or places within or without the State of Oklahoma as such resolution or resolutions may provide. Any resolution or resolutions, including any related trust indenture or indentures, authorizing any bonds may contain provisions which shall be part of the contract between the district and the holders thereof from time to time (a) reserving the right to redeem such bonds at such time or times, in such amounts and at such prices as may be provided, (b) providing for the setting aside of sinking funds or reserve funds and the regulation and disposition thereof, (c) pledging to secure the payment of the principal of and interest on such bonds and of the sinking fund or reserve fund payments agreed to be made in respect of such bonds all or any part of the gross or net revenues thereafter received by the district in respect of the property, real, personal or mixed, to be acquired or constructed with such bonds or the proceeds thereof, or all or any part of the gross or net revenues thereafter received by the district from whatever source derived and monies and securities held under such resolutions or indentures or contract rights with respect to any of the foregoing, (d) prescribing the purposes to which such bonds or any bonds thereafter to be issued, or the proceeds thereof, may be applied, (e) agreeing to fix and collect rates and charges sufficient to produce revenues adequate to pay the items specified in subparagraphs (a), (b), (c), (d) and (e) of Section 868 of this title and prescribing the use and disposition of all revenues, and the investment of such revenues and other monies pending their expenditures in investments authorized or permitted by law, (f) prescribing limitations upon the issuance of additional bonds and upon the agreements which may be made with the purchasers and successive holders thereof, (g) with regard to the construction, extension, improvement, reconstruction, operation, maintenance and repair of the properties of the district, carrying of insurance upon all or any part of said properties covering loss or damage or loss of use and occupancy resulting from specified risk, (h) fixing the procedure, if any, by which, if the district shall so desire, the terms of any contract with the holders of such bonds may be amended or abrogated, the amount of bonds the holders of which must consent thereto, and the manner in which such consent may be given, (i) for the execution and delivery by the district to a bank or trust company authorized by law to accept trusts, or to the United States of America or any office or agency thereof, of indentures and agreements for the benefit of the holders of such bonds setting forth any or all of the agreements herein authorized to be made with or from the benefit of the holders of such bonds and such other provisions as may be customary in such indentures or agreements, and (j) such other provisions, not inconsistent with the provisions of the act, as the Board may approve.
Any such resolution and any indenture or agreement entered into pursuant thereto may provide that in the event that (a) default shall be made in the payment of the interest on any or all bonds when and as the same shall become due and payable, or (b) default shall be made in the payment of the principal of any or all bonds when and as the same shall become due and payable, whether at the maturity thereof, by call for redemption or otherwise, or (c) default shall be made in the performance for any agreement made with the purchasers or successive holders of any bonds, and such default shall have continued such period, if any, as may be prescribed by said resolution in respect thereof, the trustee under the indenture or indentures entered into in respect of the bonds authorized thereby, or if there shall be no such indenture, a trustee appointed in the manner provided in such resolution or resolutions by the holders of twenty-five percent (25%) in aggregate principal amount of the bonds authorized thereby and at the time outstanding may, and, upon the written request of the holders of twenty-five percent (25%) in aggregate principal amount of the bonds authorized by such resolution or resolutions at the time outstanding, shall, in his or its own name, but for the equal and proportionate benefit of the holders of all of such bonds, and with or without possession thereof,
Okla. Stat. tit. 82, § 870