1. Refrigeration Energy Solutions February 24, 2010

2. Program Summary • Approximately $7M 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. Program Summary

4. Program Summary

5. Incentives • Lighting - $1.75 to $200 per unit • HVAC - $7 to $100+ per Ton • Prog T-Stat - $50/unit • HVAC Testing & Repair - $120 to $400+ per unit • Windows - $0.50 per square foot • Motors - $10 to $225 per motor • VFDs - $50 per horsepower • Refrigeration - $5 to $200 per unit

6. Prescriptive Refrigeration Incentives

7. Strip Curtains • Up to 45% Savings • 1 Year Payback • $5 per ft. incentive • Energy Savings • Low Cost • Incentive not available if replacing existing curtains

8. Night Covers • Up to 35% Savings • 2 to 3 year payback • $10 per linear foot incentive • Energy Savings • Maintenance Savings

9. Anti-Sweat Heater Controls • Up to 30% Savings • 1 to 3 year payback • $200 per Sensor Incentive • Energy Savings

10. High Efficiency Ice Makers • Up to 35% Savings • 1 to 9 Year Payback • $45 per Machine Incentive • Energy Savings

11. High Efficiency Refrigerators or Freezers • Up to 25% Savings • 1 to 8 Year Payback • $75 per Unit Incentive • Energy Savings • Must be Energy Star rated

12. High Efficiency Evaporator Fan Motors • Up to 10% Savings • 2 to 5 Year Payback • $10 per Motor Incentive • Energy Savings • Low Cost

13. Vending Machine Controls • Up to 45% Savings • 1 to 3 Year Payback • $25 - $100 per Machine Incentive • Energy Savings • Low Cost

14. Prescriptive Application

15. Prescriptive Application

16. Prescriptive Application

17. 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.

18. Custom Measures (Examples) • Evaporator fan controllers for walk-in coolers and freezers. • LED refrigerated case lighting retrofit.

19. Energy Studies • Must follow template and application requirements • For Existing Buildings • Retro-Commissioning and Feasibility Studies • For New Construction • Commissioning and Design Assistance • Incentives • 50% of Study Cost • Not to exceed $10,000 per study • Not to exceed $20,000 per study: retro-commissioning

20. Technical Assistance Application

21. Report Template

22. Energy Information Systems • APS and Automated Energy’s EIS allows you to harness the value of energy consumption data that currently exists within the four walls of your enterprise

23. EIS is a powerful tool that presents a customer’s commodity consumption information in a useful, customized, and relevant format

24. Program Costs • Meter Setup Fee - $125 per meter • Daily Service – telephone based - $25 per meter per month • Hourly Service – internet based - $50 per meter per month • Meter Upgrade and Equipment Costs - varies per site and per mode of communications • APS Incentive – 75% of meter upgrade and setup fees up to $12,000 per customer

25. APS Solutions for Business Website APS.com Home Page

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