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About 1.2 million customers rely on us for electricity. By 2030, we expect to add more than 600,000 new customers. They’ll expect the same reliable, affordable service we provide today. Our strategic roadmap will ensure we live up to those expectations.

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2017 integrated resource plan
Updated Feb 2, 2016
APS will be holding a Preliminary 2017 Integrated Resource Planning (“IRP”) Stakeholder Workshop on February 9, 2016. The Workshop will also be available by WebEx.
Topics for this IRP Stakeholder Workshop will include considerations such as the resource planning process, environmental regulations, evolving customer load shapes, load forecasting, integration of renewable technologies, including portfolios and sensitivities.
The Agenda for this meeting is attached below, with information on how to join the event remotely, via WebEx and Conference Call.
For further information, please contact
stakeholder information
APS 2017 Preliminary Integrated Resource Plan – March 1, 2016
APS ACC IRP Workshop– July 18, 2016
APS Stakeholder Meeting - February 9, 2016

APS IRP - November 7, 2014
ACC Workshop on 2014 Resource Planning and Procurement Process – September 11, 2014
APS Stakeholder Meeting – June 28, 2013

APS Stakeholder Meeting – June 7, 2013
useful links

Provides an estimate for the incremental operating reserves necessary to integrate projected photovoltaic development in the APS territory. Quantifies the anticipated incremental cost to provide the reserve capacity and energy services.

    Evaluates the potential value of solar DE technologies for the APS electrical system and the likely operating impacts.

      Describes planned transmission lines of 115kV or higher that APS may construct over the next 10 years. Included in the filing, as Attachment B, is the Company’s Reliability Must-Run Analysis (“RMR”).


      APS plans to invest in Arizona's energy future by upgrading the Ocotillo Power Plant in Tempe. The project features new high-efficiency, natural gas-fired generators to replace 1960s-era steam units.