1. Web Resources Study Performed by: MAESTRO/CALMAC Evaluation Showcase ● Pacific Energy Center ● July 26-27, 2006 California Lighting and Appliance Saturation Study Presenter: Stacia Okura

2. MAESTRO/CALMAC Evaluation Showcase ● Pacific Energy Center ● July 26-27, 2006 2 Study Overview CLASS = California Lighting and Appliance Efficiency Saturation Study Baseline of lighting and appliance saturation and efficiencies in the existing residential sector Report finalized in August 2005 Follow-up study to 2000 CLASS Study Primary study objectives  850 onsite surveys of SF, MF, and modular homes in the four IOU service territories  Trends between the two CLASS studies and other studies of residential appliances  Develop a database of residential building characteristics, lighting and appliance saturations and efficiencies, expanded to represent the population of IOU customers  Develop a web based tool for data access

3. MAESTRO/CALMAC Evaluation Showcase ● Pacific Energy Center ● July 26-27, 2006 3 Data Collected Appliances and Equipment  Refrigerator-freezers, self-standing freezers, dishwashers, clothes washers, clothes dryers, water heaters, heating equipment, cooling equipment, and spa/pool equipment Envelope Lighting inventory  All lamps, fixture types, and wattages in households by room type Demographic information

4. MAESTRO/CALMAC Evaluation Showcase ● Pacific Energy Center ● July 26-27, 2006 4 Sample Results CFL Penetration Secondary Refrigerators

5. MAESTRO/CALMAC Evaluation Showcase ● Pacific Energy Center ● July 26-27, 2006 5 Web-Based Analysis Tool www.calresest.com Stacia Okura stacia.okura@rlw.com 707-939-8823 ext.17