Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement Nos. 333-61598, 333-113684 and 333-129454 on Form S-8 of our report dated June 17, 2008, appearing in this Annual Report on Form 11-K of the PNM Resources, Inc. Retirement Savings Plan for the year ended December 31, 2007.
/s/ GRANT THORNTON LLP
Albuquerque, New Mexico
June 23, 2008