Frank Magnotti President & COO Alternative Energy Resources Group Comverge, Inc.

1. Residential & Small Commercial Demand Response Frank Magnotti President & COO Alternative Energy Resources Group Comverge, Inc.

2. Agenda • Who is Comverge? • Nationwide Demand Response Impact • Utilities & Programs • Innovations • Pay-for Performance Demand Response • 2006 Operations Results • 2006 Customer Recruitment Results

3. Who is Comverge? Comverge is a leading Demand Response company that provides innovative solutions to significantly reduce an electric utility's peak power costs and enhance grid reliability. • Over 500 US utility clients • Over 4.5 million devices installed • Pioneer & thought leader of Demand Response & Clean Energy market space • First to market with full-scale price responsive offering • Multiple fully-outsourced, pay-for-performance DR programs in place across the US

4. Utilities & Programs • 500+ Utility Clients, over 4.5 million devices installed • Achieving range of ~1 to 3 kW of load reduction per device • Controlling AC, water heaters, pool/jacuzzi pumps, etc… • Systems are utilized ranging from 1-5x per year to almost daily in some areas • Over 1 gigawatt of capacity provided nationwide in one day during the summer of 2006 Representative Customer Sampling All values are approximate

5. Innovations • Non-spinning reserves classifications (PacifiCorp, LG&E, …) • Localized program activation for substation repair (DTE Energy) • Load shaping – almost daily program operation (Austin Energy) • Price Response (TECO, Gulf Power, PSE&G) • Winter Peak (BPA, Dairyland, Ottertail…) • Irrigation Control (Perennial PPD, many others) • Parks & Recreation Lighting Automation (Progress Energy Florida)

6. Pay-for-Performance Model Program Management Marketing Call Center Hardware + + + Measurement & Verification Installation Software + + + Comverge, the market leader in load control, offers a turn-key, pay-for-performance peak load reduction solution – guaranteed capacity.

7. 2006 Operational Results • 33 Control Events in Summer 2006 • 49,115 Installations have been competed this year • Above average per switch contributions through Adaptive Algorithm • 3 events ran simultaneously on August 2nd (San Diego, Salt Lake City, SW Connecticut) • All events in history of programs have been successful • Average response time less than 3 minutes – WECC non-spinning reserves classification in Utah

8. ISO NE Southwest Connecticut Impact • Emergency Only program activated as a reliability measure Demand Response

9. Rocky Mountain Power SCADA Impact

10. Near Real Time Estimation of Load Reductionthrough state-of-the-art Measurement & Verification • The ability to visualize near-real time load data on M&V sites gives utilities the ability to estimate load reduction before calling an event • Eliminates the use of ‘rules-of-thumb’ to decide when to initiate curtailment • Data can be aggregated and plotted as it is received to aid in decision-making

11. Overall Recruitment Statistics • Over 33% Market Penetration in under 4 years at the Rocky Mountain Power program • Faster growth than in any other full scale demand response program in the country • Over 151,000 households have enrolled in a Comverge program • Reached MW goal for ISO NE ahead of schedule

12. Rocky Mountain Power ProgramMarket Penetration By Year

13. Megawatts Attained and Projected in Pay-for-Performance Programs

14. Conclusion • Demand Response for residential & small commercial participants is a viable peak resource, providing over six gigawatts of peak capacity nationwide • Innovative models & implementations provide greater value • Pay-for-Performance programs yield excellent results • Operations: 100% event execution • Recruitment: Faster penetration than any other program in US

15. Contact us Frank Magnotti President & COO Alternative Energy Resources Group Comverge, Inc. (973) 884-5970 tel. fmagnotti@comverge.com