The California Energy Commission (CEC) funded and administered a Residential Appliance Saturation Study (RASS) with these participating utilities: Pacific Gas and Electric Company (PG&E), San Diego Gas & Electric Company (SDG&E), Southern California Edison (SCE), Southern California Gas Company (SoCalGas), and Los Angeles Department of Water and Power (LADWP).
The documents listed below are no longer available on our website, but they can be obtained via Internet Archives Wayback Machine.
- Executive Summary
Statewide overview of study results. PDF file, 42 pages, 309 kb - Volume 1 - Methodology
Description of study design, process, and overview of results. PDF file, 162 pages, 628 kb - Volume 1 - Methodology and Appendices
Description of study design, process, and overview of results. PDF file, 417 pages, 2.8 mb - Volume 2 - Study Results
Detailed UEC results. PDF file, 30 pages, 140 kb - Volume 2 - Study Results and Banners
Detailed UEC results and saturation banners
PDF file, 7,387 pages, 12.3 mb - Banner subset - RASS Total
Subset of Volume 2 Banners - RASS total results. PDF file, 1.6 mb - Banner subset - PG&E
Subset of Volume 2 Banners - PG&E results. PDF file, 2.2 mb - Banner subset - SCE
Subset of Volume 2 Banners - SCE results. PDF file, 1.6 mb - Banner subset - SDG&E
Subset of Volume 2 Banners - SDG&E results. PDF file, 2.0 mb - Banner subset - LADWP
Subset of Volume 2 Banners - LADWP results. PDF file, 2.0 mb - Banner subset - SoCalGas
Subset of Volume 2 Banners - SoCalGas results. PDF file, 2.1 mb - California Statewide Residential Appliance Saturation Study Update to Air-Conditioning Unit Energy Consumption Values Using 2004 Billing Data
Consultant Report. PDF file, 812 kb. On line: 7/6/2006.
RASS 2003 data was previously made available via the DNV Residential Appliance Saturation Study database, which was retired August 2026. Data available for request are below. RASS 2003 cleaned survey data is also available. RASS data requests should be directed to RASS@energy.ca.gov.
End Uses Summarized
| Utility | Residency Type | House Age | House Age, Utility, and Residency Type | Forecast Zones |
|---|---|---|---|---|
| 2003 (Electric) | 2003 (Electric) | 2003 (Electric) | 2003 (Electric) | 2003 (Electric) |
| 2003 (Gas) | 2003 (Gas) | 2003 (Gas) | 2003 (Gas) | 2003 (Gas) |
Weather Sensitive End Uses by Climate Zone
| Single Family Homes | Town Homes | Apartments with less than 5 units | Apartments with more than 4 units | Mobile Homes |
|---|---|---|---|---|
| 2003 (Electric) | 2003 (Electric) | 2003 (Electric) | 2003 (Electric) | 2003 (Electric) |
| 2003 (Gas) | 2003 (Gas) | 2003 (Gas) | 2003 (Gas) | 2003 (Gas) |
Comparing 2019 to 2009 to 2003: End Uses Summarized
| Utility | Residency Type | House Age | House Age, Utility, and Residency Type | Forecast Zones |
|---|---|---|---|---|
| Electric | Electric | Electric | Electric | Electric |
| Gas | Gas | Gas | Gas | Gas |
Comparing 2009 to 2003: Weather Sensitive End Uses by Climate Zone
| Utility | Residency Type | House Age | House Age, Utility, and Residency Type | Forecast Zones |
|---|---|---|---|---|
| Electric | Electric | Electric | Electric | Electric |
| Gas | Gas | Gas | Gas | Gas |