Exhibit 25.1

FORM T-1

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) o

THE BANK OF NEW YORK MELLON
TRUST COMPANY, N.A.
(Exact name of trustee as specified in its charter)

(State of incorporation
if not a U.S. national bank)

95-3571558
(I.R.S. employer
identification no.)

700 South Flower Street
Suite 500

Los Angeles, California

(Address of principal executive offices)

90017
(Zip code)

PINNACLE WEST CAPITAL CORPORATION
(Exact name of obligor as specified in its charter)

Arizona (State or other jurisdiction of incorporation or organization)		86-0512431 (I.R.S. employer identification no.)

400 North Fifth Street, PO Box 53999 Phoenix, Arizona (Address of principal executive offices)		85072-3999 (Zip code)

Senior Unsecured Debt Securities
(Title of the indenture securities)

1. General information. Furnish the following information as to the trustee:

(a) Name and address of each examining or supervising authority to which it is subject.

Name		Address
Comptroller of the Currency United States Department of the Treasury		Washington, D.C. 20219

Federal Reserve Bank		San Francisco, California 94105

Federal Deposit Insurance Corporation		Washington, D.C. 20429

(b) Whether it is authorized to exercise corporate trust powers.

Yes.

2. Affiliations with Obligor.

If the obligor is an affiliate of the trustee, describe each such affiliation.

None.

16. List of Exhibits.

Exhibits identified in parentheses below, on file with the Commission, are incorporated herein by reference as an exhibit hereto, pursuant to Rule 7a-29 under the Trust Indenture Act of 1939 (the “Act”) and 17 C.F.R. 229.10(d).

1. A copy of the articles of association of The Bank of New York Mellon Trust Company, N.A., formerly known as The Bank of New York Trust Company, N.A. (Exhibit 1 to Form T-1 filed with Registration Statement No. 333-121948 and Exhibit 1 to Form T-1 filed with Registration Statement No. 333-152875).

2. A copy of certificate of authority of the trustee to commence business. (Exhibit 2 to Form T-1 filed with Registration Statement No. 333-121948).

3. A copy of the authorization of the trustee to exercise corporate trust powers (Exhibit 3 to Form T-1 filed with Registration Statement No. 333-152875).

4. A copy of the existing by-laws of the trustee (Exhibit 4 to Form T-1 filed with Registration Statement No. 333-152875).

6. The consent of the trustee required by Section 321(b) of the Act (Exhibit 6 to Form T-1 filed with Registration Statement No. 333-152875).

7. A copy of the latest report of condition of the Trustee published pursuant to law or to the requirements of its supervising or examining authority.

SIGNATURE

Pursuant to the requirements of the Act, the trustee, The Bank of New York Mellon Trust Company, N.A., a banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in the City of Los Angeles, and State of California, on the 22nd day of April, 2009.

	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.

	By:	/S/ TERESA PETTA
	Name:	TERESA PETTA
	Title:	VICE PRESIDENT

EXHIBIT 7

Consolidated Report of Condition of

THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.

of 700 South Flower Street, Suite 200, Los Angeles, CA 90017

At the close of business December 31, 2008, published in accordance with Federal regulatory authority instructions.

	Dollar Amounts
	in Thousands
ASSETS

Cash and balances due from depository institutions:
Noninterest-bearing balances and currency and coin	2,739
Interest-bearing balances	0
Securities:
Held-to-maturity securities	26
Available-for-sale securities	430,112
Federal funds sold and securities purchased under agreements to resell:
Federal funds sold	28,500
Securities purchased under agreements to resell	50,000
Loans and lease financing receivables:
Loans and leases held for sale	0
Loans and leases, net of unearned income	0
LESS: Allowance for loan and lease losses	0
Loans and leases, net of unearned income and allowance	0
Trading assets	0
Premises and fixed assets (including capitalized leases)	11,261
Other real estate owned	0
Investments in unconsolidated subsidiaries and associated companies	1
Not applicable
Intangible assets:
Goodwill	876,153
Other intangible assets	272,502
Other assets	181,657
Total assets	$	1,852,951

LIABILITIES

Deposits:
In domestic offices		1,765
Noninterest-bearing		1,765
Interest-bearing		0
Not applicable
Federal funds purchased and securities sold under agreements to repurchase:
Federal funds purchased		0
Securities sold under agreements to repurchase		0
Trading liabilities		0
Other borrowed money:
(includes mortgage indebtedness and obligations under capitalized leases)		268,691
Not applicable
Not applicable
Subordinated notes and debentures		0
Other liabilities		166,958
Total liabilities		437,414
Minority interest in consolidated subsidiaries		0

EQUITY CAPITAL

Perpetual preferred stock and related surplus		0
Common stock		1,000
Surplus (exclude all surplus related to preferred stock)		1,121,520
Retained earnings		290,517
Accumulated other comprehensive income		2,500
Other equity capital components		0
Total equity capital		1,415,537
Total liabilities, minority interest, and equity capital		1,852,951

I, Karen Bayz, Vice President of the above-named bank do hereby declare that the Reports of Condition and Income (including the supporting schedules) for this report date have been prepared in conformance with the instructions issued by the appropriate Federal regulatory authority and are true to the best of my knowledge and belief.

Karen Bayz ) Vice President

We, the undersigned directors (trustees), attest to the correctness of the Report of Condition (including the supporting schedules) for this report date and declare that it has been examined by us and to the best of our knowledge and belief has been prepared in conformance with the instructions issued by the appropriate Federal regulatory authority and is true and correct.

Michael K. Klugman, President	)
Frank P. Sulzberger, MD	)	Directors (Trustees)
William D. Lindelof, VP	)