June 1,2009 Southern CaliforniaEdisonCompany Customer ServiceBusinessUnit Design &EngineeringServicesGroup Leonel P.Campoy Prepared by: ET 03.03FinalReport Phase I Network ControlofComputerPowerOptions, Power (Watts) 100.00 120.00 140.00 160.00 180.00 200.00 20.00 40.00 60.00 80.00 0.00 4:35 PM 9:35 PM 2:35 AM 7:35 AM 12:35 PM 5:35 PM 10:35 PM 3:35 AM 8:35 AM D104259 One - WeekPower Consumption 1:35 PM 6:35 PM Power Management with 11:35 PM 4:35 AM 9:35 AM 2:35 PM 7:30 PM 12:30 AM 5:30 AM without Power Management 10:30 AM 3:30 PM 8:30 PM 1:30 AM Design &EngineeringServices 6:30 AM 11:30 AM 4:30 PM 9:30 PM 2:30 AM 7:30 AM 12:30 PM 5:30 PM 10:30 PM 3:30 AM 8:30 AM 1:30 PM Network Control of Computer Power Options, Phase I ET 03.03 Acknowledgements Southern California Edison’s (SCE) Design & Engineering Services (D&ES) group is responsible for this evaluation project. The project was conducted as part of the SCE Emerging Technology program under internal project number ET 03.03. D&ES Project Manager Leonel P. Campoy conducted this technology assessment project with technical support from Verdiem Corporation and the assistance and collaboration of individuals within the SCE Information Technology (IT) Department and the Design & Engineering Services group. For more information regarding this project, contact [email protected]. Disclaimer This report was prepared by Southern California Edison and funded by California utility customers under the auspices of the California Public Utilities Commission. Reproduction or distribution of the whole or any part of the contents of this document without the express written permission of SCE is prohibited. This work was performed with reasonable care and in accordance with professional standards. However, neither SCE nor any entity performing the work pursuant to SCE’s authority make any warranty or representation, expressed or implied, with regard to this report, the merchantability or fitness for a particular purpose of the results of the work, or any analyses, or conclusions contained in this report. The results reflected in the work are generally representative of operating conditions; however, the results in any other situation may vary depending upon particular operating conditions. Southern California Edison Design & Engineering Services June 2009 Network Control of Computer Power Options, Phase I ET 03.03 ABBREVIATIONS AND ACRONYMS ACPI Advanced Configuration and Power Interface APM Advanced Power Management BIOS Basic Input-Output System CRT Cathode Ray Tube CTZ California Thermal Zones DEER California Database for Energy Efficiency Resources EIA Energy Information Administration EUL Effective Useful Life IEEE Institute of Electrical and Electronic Engineers LAN Local Area Network LCD Liquid Crystal Display LBNL Lawrence Berkeley National Laboratory MMC Microsoft Management Console NEEA Northwest Energy Efficiency Alliance PC Personal Computer PCI Peripheral Component SID Security Identification USB Universal Serial Bus Quad Unit of energy equal to one quadrillion (1015) British thermal units (BTU). The quad is a convenient unit for describing national and world energy resources. EPA Environmental Protection Agency kWh kilowatthour Southern California Edison Design & Engineering Services June 2009 Network Control of Computer Power Options, Phase I ET 03.03 FIGURES Figure 1 Example Power Draw of a Personal Computer With and Without Power Management Enabled....................................... 2 Figure 2 EIA Forecast of Office Personal Computer Energy Use ................ 3 Figure 3 Mean Computer On-time Before and After Application of Reminder Stickers ................................................................ 4 Figure 4 External PC Power Management Hardware ............................... 5 Figure 5 Mean Computer On-time Before and After Application of Power Management Hardware ................................................ 6 Figure 6 Motion Sensor Controlled Power Strip ...................................... 6 Figure 7 PC Power Management Related Specifications Timeline .............. 7 Figure 8 Windows XP Power Options Properties Dialog Box ....................12 Figure 9 Surveyor Modified Power Options Properties Dialog Box ............12 Figure 10 Surveyor Admin Tool Examples .............................................13 Figure 11 Group Profile and Profile Scheme Dialog Boxes ........................14 Figure 12 Surveyor Reporting Tool.......................................................14 Figure 13 Surveyor Report Default Assumptions Dialog Box.....................15 Figure 14 Consumption Report Parameters............................................15 Figure 15 Example Surveyor Consumption Report, Page 1.......................16 Figure 16 Example Surveyor Report, Page 2..........................................16 Figure 17 Example Surveyor Report, Page 3..........................................17 Figure 18 Example Surveyor Report, Page 4..........................................17 Figure 19 Surveyor Evaluation Process .................................................18 Figure 20 Power Measurement Setup ...................................................19 Figure 21 Docked Laptop and Monitor Power Measurements ....................20 Figure 22 GX240 Desktop and Monitor Power Measurements ...................20 Figure 23 GX200 Desktop and Monitor Power Measurements ...................21 Figure 24 GX1 Desktop and Monitor Power Measurements.......................21 Figure 25 Power Quality Logger Model PQL 120 .....................................23 Figure 26 Comparisons of Fluke 43B DMM and PQL 120 Power Quality Logger Power Measurements ......................................24 Figure 27 Comparison of Surveyor and Logger Average Hourly Demand for one Workstation.................................................25 Figure 28 One-Minute Average Demand Logger Data: Noon Hour .............26 Figure 29 Networked Computer and Display Average 15-Minute Demand.............................................................................27 Figure 30 Logger Data for Surveyor Client 14 ........................................30 Figure 31 Surveyor Report for 4-day Comparison Using Group Average Power State Values .................................................31 Figure 32 Phase I Logger Baseline and Managed Workstation Data ...........33 Figure 33 Small Group Average Weekly Demand Profiles Based on 15-Minute Logger Data.........................................................34 Figure 34 Small Group Baseline Peak Demand Estimate ..........................35 Figure 35 Surveyor Client 14 Baseline Logger Data ...............................38 Southern California Edison Page i Design & Engineering Services June 2009 Network Control of Computer Power Options, Phase I ET 03.03 TABLES Table 1 Computers and Monitors Used in the Laboratory Power Demand Measurements........................................................19 Table 2 Power Measurements Comparison Between a Fluke 43B DMM and a PQL 120 Power Quality Logger ..............................24 Table 3 Average Power Values Used in the Surveyor Report for the Single Workstation Accuracy Test .....................................25 Table 4 Single Workstation Average Hourly Demand Accuracy Test ..................................................................................26 Table 5 Average Peak Demand for the Single Workstation Accuracy Test .....................................................................27 Table 6 Phase I Evaluation Workstations ............................................28 Table 7 Phase I Evaluation: Detailed Surveyor and Logger Data Comparison ........................................................................29 Table 8 Surveyor Default Assumptions...............................................32 Table 9 Phase I Logger and Surveyor Measurement Error Estimates...........................................................................32 Table 10 Measurement Error Using Phase I Corrected Surveyor Client Data .........................................................................33 Table 11 Small Group Logger Results: Average Impacts per Workstation........................................................................36 Table 12 Small Group Evaluation Logger and Surveyor Data Comparisons: Baseline Case .................................................37 Table 13 Small Group Evaluation Logger and Surveyor Data Comparisons: Monitors Only Case..........................................37 Table 14 Small Group Evaluation Logger and Surveyor Data Comparisons: Evening Hibernate Case....................................38 Table 15 Small Group Evaluation: Surveyor Estimated Energy Usage and Savings ..............................................................39 Table 16 Differences in Power State Hours Between Surveyor and Logger Data .......................................................................40 Table 17 Small Group Evaluation Surveyor Corrected Data Comparisons: Baseline Case .................................................41 Table 18 Small Group Evaluation Surveyor Corrected Data: Monitors Only Case..............................................................41 Table 19 Small Group Evaluation Surveyor Corrected Data: Evening Hibernate Case .......................................................42 Table 20 Small Group Evaluation: Surveyor Estimates Corrected With Logger Data ................................................................42 Table 21 Impacts of Single Set Averages for the