Arizona Public Service Co.
Corporate Offices
Phoenix AZ 85004


Pinnacle West Capital Corp.

As the parent company of APS, Pinnacle West's site hosts additional information, including our Code of Ethics for Financial Executives and other corporate governance information. Find jobs, information about Pinnacle West  and APS officers and investor information.

Contact APS
Contact us by e-mail, phone or mail. Find an office or pay station near you.

Service Area Maps*
If you are moving to Metro Phoenix or a surrounding area in Arizona, view these Online service area maps to see if you're in APS territory.

Commitment to Renewable Energy
We have seen our renewable energy portfolio expand rapidly, growing from less than one megawatt in 2001 to more than 245 megawatts today. Learn more.

High Penetration Distributed Energy Study
In January 2010, APS and its partners received a DOE grant to study the effects of high concentration of solar energy on the grid. Find out more.

Sustainability in Action
We are committed to creating a sustainable energy future for Arizona. Read the current Sustainability in Action report.

Economic Development
If you're planning to relocate to Arizona, this is the best place to obtain facts and information on the state. 

 Heat your water for free with a solar water heater

 See More Energy Assists

Supplier Diversity
APS actively supports diverse businesses. Explore the opportunities that may exist for you as a diverse supplier to APS.

APS ESP Services Information Center
APS-specific information that is required to be made public pursuant to APS's ACC Code of Conduct. This is also where any inadvertent disclosure of information will be posted.

APS Facility Growth
To ensure reliable electric service, APS is involved in several power line projects (Siting) in Arizona. And as demand grows for electricity, increasing transmission construction throughout Arizona is necessary to ensure it's delivered safely and reliably.

APS Generation
Our power plants are the source of electricity for millions of homes and workplaces in the Southwest. 

For windsurfing conditions at Four Corners' Morgan Lake, visit our Morgan Lake Webcam.

Electric Service Requirements Manual
The ESRM  provides information and guidelines for electrical installations in APS territory.

Standards of Conduct/FERC OASIS
APS' Standards of Conduct required postings, in compliance with FERC Order 717, can be found in the Standards of Conduct folder on the APS OASIS Web site.

Available Capacity
APS posts its available generation daily on the WSPP web site located at http://www.wspp.org/power_detail.php?id=9759

Western System Power Pool (WSPP)
APS provides a link to the WSPP web site as part of its membership requirements: http://www.wspp.org/

Requests for Proposal
APS is committed to seeking proposals from the competitive wholesale market for filling its future resource needs through a diverse mix of cost effective generation resources.

* The Service Area Maps are available as Adobe® PDF files which require Adobe Acrobat® Reader™ for viewing and printing. If necessary, you may download this free software now.


120 N. Marina St.
Prescott AZ 86301
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217 W. Route 66
Williams AZ 86046
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Corporate Offices
Phoenix AZ 85004
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1250 E. Highway 89-A
Cottonwood AZ 86326
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400 E. Van Buren
Phoenix AZ 85004
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PO Box 53901, MS 8103
Phoenix AZ 85072
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128 W. 32nd Street
Yuma AZ 85364
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Business Customer Service
Phoenix AZ 85004
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Residential Customer Service
Phoenix AZ 85004
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