POWER OF ATTORNEY

The undersigned hereby constitutes and appoints each of Carla

D. Brockman, John D. Rhea and James R Hatfield, signing singly,

the undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned,

in the undersigned's capacity as an director and/or officer

of OGE Energy Corp. (the "Company"), Forms 3, 4, and 5 in accordance

with Section 16(a) of the Exchange Act and the rules and regulations

thereunder;

(11) do and perform any and all acts for and on behalf of the

undersigned which may be necessary or desirable to complete and

execute any such Form 3, 4, or 5, and timely file such form with the

United States Securities and Exchange Commission and any stock

exchange or similar authority; and

(111) take any other action of any type whatsoever in connection with

the foregoing which, in the opinion of such attorney-in-fact, may be

of benefit to, in the best interest of, or legally required by, the

undersigned, it being understood that the documents executed by such

attorney-in-fact on behalf of the undersigned pursuant to this Power

of Attorney shall be in such form and shall contain such terms and

conditions as such attorney-in-fact may approve in his or her

discretion.

The undersigned hereby grants to each attorney-in-fact full power

and authority to do and perform any and every act requisite, necessary

or proper to be done in the exercise of any of the rights and powers

herein granted, as fully as the undersigned could do it personally

present, with full power of substitution or revocation, hereby ratifying

and confirming all that such attorney-in-fact, or such attorney-in-fact's

substitute or substitutes, shall lawfully do or cause to be done by

virtue of this Power of Attorney and the rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys-in-fact,

in serving in such capacity at the request of the undersigned, are not

assuming, nor is the Company, any of the undersigned's responsibilities

to comply with Section 16 of the Securities Exchange Act of 1934,

as amended.

This Power of Attorney shall remain in full force and effect until

the undersigned is no longer required to file Forms 3, 4, and 5 with

respect to the undersigned's holdings of, and transactions in, securities

issued by the Company, unless earlier revoked by the undersigned in a

signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of

Attorney to be executed as of this 11th day of January, 2008.

Carla D. Brockman

E. Keith Mitchell, Pursuant to Power of

Attorney being filed herewith