Resources

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Technologies
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Date Title Files and Links
Quick Start Guide to Increase Data Center Energy Efficiency
Two-page PDF that summarizes best practices for energy efficiency in data centers and how to get started. By the U.S. General Services Administration and U.S. Department of Energy’s Federal Energy Management Program.

Data Center Efficiency and IT Equipment Reliability At Wider Operating Temperatures and Humidity Ranges
Paper concludes that many data centers can realize overall operational cost savings by leveraging looser environmental controls within the wider range of supported temperature and humidity limits as established by equipment manufacturers.
WP50-Data Center Efficiency and IT Equipment Reliability at Wider Operating Temperature and Humidity Ranges.pdf
Updated Air-Side Free Cooling Maps: The Impact of ASHRAE 2011 Allowable Ranges
In May 2011, the American Society of Heating, Refrigeration, and Air conditioning Engineers (ASHRAE) published updated guidelines for the “Recommended” and “Allowable” temperature and humidity of data centers.
WP46UpdatedAirsideFreeCoolingMapsTheImpactofASHRAE2011AllowableRanges.pdf
Improving Energy Efficiency for Server Rooms and Closets
Brief Summary Fact sheet: Top 14 Measures to Save Energy in Your Server Room or Closet. Author(s): Brown, R., B. Tschudi, and P. Delforge
fact-sheet-ee-server-rooms-3.pdf
Reducing Data Center Loads for a Largescale, Low-energy Office Building: NREL’s Research Support Facility
In June 2010, the National Renewable Energy Laboratory (NREL) completed construction on the new 220,000- square foot (ft2) Research Support Facility (RSF) which included a 1,900-ft2 data center (the RSF will expand to 360,000 ft2 with the opening of an
Reducing_Data_Center_Loads.pdf
Reducing Data Center Loads for a Large-Scale, Net Zero Office Building
In constructing a new research facility for its campus, the National Renewable Energy Laboratory (NREL) project team identified the opportunity to design a world-class, energy-efficient data center to support its operations.
nrel_datacenter_cs.pdf
Recommendation For Incorporating Data Center Specific Sustainability Best Practices into EO13514 Implementation
Document that provides guidance on incorporating data center sustainability measures pertaining to specific agency sustainability plans. The energy use reduction directly correlates with the greenhouse gas emission.
Recommendation for EO13514.pdf
"Hot for Warm Cooling (presentation)
Presentation that discusses highly efficient cooling achieved by utilizing high temperature fluids delivered to the inlet of IT equipment; from the Energy Efficient HPC Working Group presentation at SC-11.
SC11Hotwaterplusliquidsolutions.pdf
Laboratories for the 21st Century: Data Center Efficiency Workshop
Presentation from the Laboratories for the 21st Century: Data Center Efficiency Workshop in Providence, RI. Author(s): Sartor, D. and G.C. Bell
datacenter-workshop-19sep11.pdf
Recovery Act: Federspiel Controls (now Vigilent) and State of California Department of General Services Data Center Energy Efficient Cooling Control Demonstration
Eight State of California data centers were equipped with an intelligent energy management system to evaluate the effectiveness, energy savings, dollar savings and benefits that arise when powerful artificial intelligence-based technology measures, moni
1025751.pdf
GovEnergy 2011 - Data Center Efficiency Workshop
Presentation from the Data Center Efficiency Workshop Data Center Efficiency workshop given at GovEnergy in Cincinnati. Author(s): Sartor, D.
data-center-workshop-2aug11.pdf
Department of Energy Laboratories: Leadership in Green IT
Join the 17 DOE laboratories as we recap stories about our efforts to make each laboratory’s energy-intensive IT capabilities “green” and supportive of DOE sustainability efforts.
Leadership_Green_IT.pdf
Corrosion Coupons May Not Be Useful for Predicting Data Center Equipment Failure Rates (Presentation)
Presentation at the Indoor Air Conference June 2011: Corrosion Coupons May Not Be Useful for Predicting Data Center Equipment Failure Rates Author(s): Han, T., H.C. Coles, P.N. Price, A.Gadgil, and B.Tschudi
Indoor-Air-997-Henry Coles-v3.pdf
The Effect of Data Centre Environment on IT Reliability & Energy Consumption
Presentation from Green Grid covering the following:
2011EMEATechForum_TheEffectofDataCentreEnvironmentonITandEnergyConsumption.pdf
Recommendation to ASHRAE TC 9.9 - Liquid Cooling GuidelinesHPC Compressorless Liquid Cooling Building Supplied Cooling Water Guideline
Presentation to ASHRAE TC 9.9 from HPC Working Group including LBNL that contains the technical basis for liquid cooling temperture guidelines.
ashrae-recommend-6-2011.pdf
Corrosion coupons may not be useful for predicting data center equipment failure rates
Paper presented at the Indoor Air Conference June 2011: Corrosion Coupons May Not Be Useful for Predicting Data Center Equipment Failure Rates Author(s): Coles, H.C., P.N. Price, T. Han, A. Gadgil, and B. Tschudi
Corrosion-Indoor-Air-2011-997v3.pdf
Best Practices Guide for Energy-Efficient Data Center Design
This guide provides an overview of best practices for energy-efficient data center design which spans the categories of Information Technology (IT) systems and their environmental conditions, data center air manage-ment, cooling and electrical systems,
eedatacenterbestpractices.pdf
Air Corrosivity in U.S. Outdoor-Air-Cooled Data Centers is Similar to That in Conventional Data Centers
The goal of this research was to investigate whether gaseous contamination is a concern for U.S. data center operators as it relates to the reliability of IT equipment.
Air Corrosivity_Air Cooling_2011.pdf
Water Usage Effectiveness (WUE™): A Green Grid Data Center Sustainability Metric
Link to download white paper on the Water Usage Effectiveness (WUE) metric from Green Grid's website. Registration is required to download, but it's free to register.

Air-Side Economizer Cooling Is Safe for Most California Data Centers
The goal of this research was to investigate whether gaseous contamination is a concern for California data center operators as it relates to the reliability of IT equipment.
Airside Economizer Cooling CA_2011.pdf
1 Modular/Container Data Centers Procurement Guide: Optimizing for Energy Efficiency and Quick Deployment
Modular data center offerings from 17 companies are reviewed and evaluated for PUE.  First and second generation designs are compared. Feb. 2011 Author(s): Bramfitt, M. and H.C. Coles
Modular_Data_Center_Procurement_Guide GSA.pdf
Energy Efficient and Lower Capital Cost — an Alternative Data Center Cooling Strategy
In the first section of this paper we review various ways of cooling with air and demonstrate that the distance of the heat generator to the cold sink plays a large part in the total cooling energy consumption.
ASHRAE Cooling Strategy Pres_2011.pdf
TUE, a new energy-efficiency metric applied at ORNL's Jaguar
This paper proposes two new metrics: ITUE (IT-power usage effectiveness), similar to PUE but “inside” the IT and TUE (total-power usage effectiveness), which combines the two for a total effi-ciency picture.
isc13_tuepaper.pdf
Retro-Commissioning Increases Data Center Efficiency at Low- Cost
As computing capacity within a data center shifts, their managers should ensure that its support infrastructure adapts accordingly in order to realize energy savings.
datacenter_savannah.pdf
Data Center Energy Efficiency Opportunities 10-3-2010
Presentation on Data Center Energy Efficiency Opportunities with the following objectives:
2010-11-3sceworkshop.pdf