Exhibit 32.2
CERTIFICATION
OF
CHIEF EXECUTIVE OFFICER
AND
CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I,
Donald E. Brandt, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 10-K of Arizona Public Service
Company for the fiscal year ended
December 31, 2009 fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in
such Annual Report on Form 10-K fairly presents, in all material respects, the financial condition
and results of operations of Arizona Public Service Company.
I,
James R. Hatfield, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 10-K of Arizona Public Service
Company for the fiscal year ended
December 31, 2009 fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in
such Annual Report on Form 10-K fairly presents, in all material respects, the financial condition
and results of operations of Arizona Public Service Company.
