APS Renewable EnergyOverview and Highlights

2010 Southwest Renewable Energy ConferenceSanta Fe, New Mexico Greg Bernosky – Renewable Energy Planning and Regulatory Leader

• Largest utility in Arizona• 5th largest U.S. service

territory • Serve 11 of 15 counties• Peak demand exceeds

7,000 MWs• Own and operate more

than 5,000 miles of transmission lines

APS Overview

Phoenix

APS Service Territory

• Arizona’s Renewable Energy Standard (RES)– 15% of retail sales by 2025– DE requirement incrementally escalates to 30% by 2012

• 2009 APS Rate Case Settlement Agreement– Projected to be >10% of retail sales by 2015 (3.4 GWh)– Double the RES target for 2015

• Arizona Energy Efficiency Standards– Savings equivalent to 22% of retail sales by 2020

• Integrated Resource Planning Rule– 10-year plan filed every two years

Regulatory Commitments

Cumulative Residential Activity

2002 2003 2004 2005 2006 2007 2008 2009 2010 YTD0

1000

2000

3000

4000

5000

6000

7000

8000

Residential Up-Front Incentives ActivityCumulative Installations by Year

Active Projects and Contracts

Existing Renewable Energy ResourcesWind: 190 MWSolar: 6.6 MW (RG) / 43 MW (DE)Other: 38 MW (Biomass, geothermal, biogas)

Current Renewable Energy ContractsWind: 99 MW (first in-state project)Solar: >300 MW (Solana and AZ Sun)DE: total of >100 MW by end of 2010

2015 Renewable Mix by Technology Type

Summary Comments• APS seeks to responsibly meet renewable

commitments • Programs are developed in collaboration with

stakeholders to provide greater predictability, diversity, and transparency

• Renewable energy is an important part of a resource mix that includes energy efficiency, transmission, and other baseload resources

• Utility participation and investment is an important factor in future renewable energy growth

Additional Information:

www.arizonagoessolar.org

www.aps.com/communitypower

www.aps.com/renewables

Greg Bernosky, AICP (602) 250-4849

gregory.bernosky@aps.com