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|Date||Title||Files and Links|
Calculating Energy Savings Using High Efficiency Power Conversion (UPS, AC-DC & DC-DC Power Supply) in Server Applications (Tool)
This Excel-based calculator provides a first-order estimate of the magnitude of the energy savings based on improving the efficiency of any one or more of the elements (UPS, AC-DC and DC-DC power supply) involved in powering a rack of servers
|UPS_Energy Savings Calculator.xls|
Data Centers Revisited: Assessment of the Energy Impact of Retrofits and Technology Trends in a High-Density Computing Facility
This paper updates one of the first studies to document the electricity consumption and power distribution within an Internet data center.
Server Power Supply Loading Guideline
Presentation on the Server Power Supply Loading Guideline. The purposes of this Guideline is to ensure that the loading for each DC bus for a multi output server power supply is consistent when measuring power supply efficiency and to allow consistency
Guidelines for Field Data Collection to Benchmark Data Center UPS Efficiency
The purpose of this procedure is to provide instructions/guidelines for reporting the efficiency of UPS systems that are installed in data centers.
Energy Efficient Data Centers (Report to California Energy Commission)
Prior to this study, very little public information concerning the true electrical power requirements for California’s data centers was available. Author(s): Tschudi, B., T. Xu, D. Sartor, B. Nordman, J. Koomey, and O. Sezgen
|Energy Efficient Data Centers Report to CEC_2004.pdf|
Data center power use: a review of the historical data
Presentation from the IBM Austin Conference on Energy-Efficient Design Austin, TX. Author(s): Koomey, J.
|Data Center Power Use_2004.pdf|
Energy Benchmarking: What is Your Building's Energy IQ?
Presentation that answers the question- what is energy benchmarking anyway? As well as techniques, complications, applications, and tools. Author(s): Mills, E.
|Energy Benchmarking: What is Your Building's Energy IQ?|
Data Centers and Energy Use – Let’s Look at the Data
The information presented can be used by data center owners, operators, and designers to understand current performance, to set design and operational criteria for new projects, to identify current best practices in design and operation, and to improve
|DC Look at Data_ACEEE 2003.pdf|
Design Recommendations for High-Performance Data Centers
Report from a whole-system design charrette organized by the Rocky Mountain Institute to challenge the current model for data centers and develop a groundbreaking data center design—a clean-sheet model with no compromises.
Label for UPS Systems
The Swiss Federal Office of Energy (SFOE) commissioned the project „Parameteridentifikation und Messverfahren für USV-Anlagen“  and created a basis for comparing UPS systems.
National and regional implications of internet data center growth in the US
Combining estimates of US computer room floor space for hosting facilities with total computer room power density, we found that these US data centers in the aggregate required less than 500 MW of power in 2000, and used only about 0.12% of the electric
|National_regional DC Growth_2002.pdf|
Roadmap for Public Interest Research for High-Performance Data Centers
The roadmap development identified many areas where significant efficiency gains could be achieved through adoption of current best practices, better application of existing technology, and research into new technological solutions.
|Datacenter RD & D Roadmap|
Data center power requirements: measurements from Silicon Valley
Current estimates of data center power requirements are greatly overstated because they are based on criteria that incorporate oversized, redundant systems, and several safety factors.
|Data Center Power Requirements_2001.pdf|
Summary of National Workshops
ENERGY STAR Data Centers
ENERGY STAR Data Centers
Digital Realty improves efficiency, achieves ENERGY STAR