1. Program Overview February 25, 2009

2. 2 Program Summary Approximately $14M in incentives per year Cap for Large Customers: $300,000 per year Prescriptive Incentives (New Const. & Retrofit) Custom Incentives (New Const. & Retrofit) Study Incentives (50% up to $10K per study per year up to $20K for Retro-commissioning) The APS Solutions for Business Program is funded by APS customers and is approved by the Arizona Corporation Commission.

3. 3 Program Summary

4. 4

5. 5 Retrofit - Prescriptive Lighting Fluorescent – T12 to Std T8$5.00 per lamp Fluorescent – T12 to Premium T8$8.00 per lamp Permanent delamping of T8 fixture$5.00 per lamp Replace high bay fixture w/ T8/T5 HO$75 - $200 per fixture Induction Lighting$75 - $150 per Fixture Replace exit sign w/ LED$25 per sign Occupancy or daylight controls$0.12 per con. Watt Compact fluorescent lamps (CFL)$1.75 per lamp Hardwired CFLs$15 - $20 per fixture Cold Cathode lamps$3.50 each

6. 6 New Construction Prescriptive Lighting

7. 7 Prescriptive HVAC AC Package & Split Systems$25 to $100+ per ton Outside Air Economizers $15 per ton Packaged Terminal AC $45 to $60+ per ton Water-Cooled Chillers$7 to $90 per ton Air-Cooled Chillers$7 to $70 per ton HVAC Testing & Repair$240 to $915 per unit Programmable Thermostats$50 each

8. 8 Envelope Measure Glazing – New Construction or Retrofit 50 cents per square foot See specs for details

9. 9 Prescriptive Motors

10. 10 New Const. Prescriptive VSDs VSDs required by ASHRAE 90.1-2004 are not eligible Example: VAV with motors 15 hp or greater Example: HVAC Pump on variable flow system with motor greater than 50 hp

11. 11 New Construction Whole Building Customer Incentive 10 cents to 26 cents per kWh Designer Team Incentive 4 cents to 12 cents per kWh 10% to 30% savings relative to ASHRAE 90.1-2007

12. 12 Prescriptive Refrigeration

13. 13 Prescriptive Application

14. 14 Prescriptive Application

15. 15 Custom Measures One-time $0.11 per annual kWh savings (50% measure cost cap) May combine Prescriptive & Custom (some cases) Customer/contractor to provide initial saving calculations and Documentation Calculation method Operation and efficiency assumptions Manufacturer data (cut sheets) Monitoring data if available Modeling data, etc.

16. 16 Custom Measures (Examples) Plate & Frame Heat Exchangers Replace T8 lamps with new T8 lamps and new electronic ballasts New Energy Management Controls Building Envelope measures

17. 17 APS Solutions for Business Website - APS Home Page

18. 18 Contact Information Toll-free hotline 1-866-277-5605 Fax number 1-866-277-5604 Website aps.com (click on Business Rebates)aps.com APS.solutionsforbusiness@kema.com