EXHIBIT 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. § 1350, AS ADOPTED PURSUANT TO § 906
OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q for the period ended September 30, 2005, for each of PNM Resources, Inc. and Public Service Company of New Mexico ("Companies"), as filed with the Securities and Exchange Commission on November 3, 2005 ("Report"), I, Terry R. Horn, Vice President, Corporate Secretary and acting Chief Financial Officer of the Companies, certify pursuant to 18 U.S.C. §1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)        the Report fully complies with the requirements of § 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)        the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Companies.

Date:   November 3, 2005	By:	/s/ Terry R. Horn
		Terry R. Horn
		Vice President, Corporate Secretary
		and acting Chief Financial Officer