Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated March 8, 2006 (August 3, 2006 as to Note 24), (which express an unqualified opinion and include explanatory paragraphs regarding the adoption of Statement of Financial Accounting Standards No. 143, Accounting for Asset Retirement Obligations, effective January 1, 2003, and Financial Accounting Standards Board Financial Interpretation No. 47, Accounting for Conditional Asset Retirement Obligations in 2005, the change in actuarial valuation measurement date for the pension plan and other post-retirement benefits from September 30 to December 31 during 2003, PNM Resources, Inc.’s acquisition of TNP Enterprises, Inc. in 2005, and to the consolidated financial statements and the disclosures regarding the allocation of goodwill among the acquired entities being restated), relating to the consolidated financial statements and financial statement schedules of PNM Resources, Inc., and management’s report on the effectiveness of internal control over financial reporting appearing in and incorporated by reference in the Annual Report on Form 10-K/A of PNM Resources, Inc. for the year ended December 31, 2005 and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.
/s/ DELOITTE & TOUCHE LLP
Dallas, Texas
August 18, 2006
