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Focus areas
Date Title Files and Links
Example Data Center Energy Efficiency Assessment Report
Data center energy efficiency assessment completed for an anonymous federal agency (Agency X) using the Center of Expertise's assessment template.
Evidence-Based Best Practices Around Data Center Management
Best practices document associated with the Data Center Optimization Initiative (DCOI).
Everyone Has a Data Center: How to be an Energy Champion for Yours
Learn how to make the business case for energy efficiency in data centers.
Everyone has a Data Center - Slide Deck.pdf
ETCC: Data Center Air Management Research
Emerging Technologies Coordinating Council (ETCC) material on data center air management. Several common air management measures were included in the Computational Fluid Dynamics (CFD) modeling to explore the energy-saving potentials.

Estimating Total Power Used By Data Centers in California
This study estimates total power use for such facilities, focusing mainly on California. We begin by summarizing what is known about total floor area for these facilities, and then analyzing the power densities associated with this floor area.
Total CA Power DCs_2005.pdf
Estimating the Energy Use and Efficiency Potential of U.S. Data Centers
Paper that presents a bottom-up model that can be used to estimate total data center electricity demand within a region as well as the potential electricity savings associated with energy efficiency improvements.
Masanet et al. 2011.pdf
ESTCP Project: Liquid Immersion Cooling of Electronics
Project description that explains the potential of liquid immersion cooling in high performance computing (HPC) and highlights a demonstration of the technology at the Naval Research Laboratory (NRL) in Washington, DC. Author(s): Coles, H.C.
Establishing Metrics, Setting Goals, and Achieving High Data Center Energy Performance
This slide deck is from the 2018 Better Buildings 7x24 conference. A panel of Better Buildings partners from Digital Realty Trust, Intel, and the Lawrence Livermore, and Lawrence Berkeley National Laboratories will share their stories and lessons learne
7x24 DOE Better Buildings 100418.pdf
ERE: A Metric for Measuring the Benefit of Reuse Energy from a Data Center
Power Usage Effectiveness (PUE) is a base data center infrastructure metric, but it does not consider these alternate uses for the waste energy.
EPEAT Registry
The EPEAT Registry contains a searchable database of certified data center equipment available for purchase.

Enhancing Energy Efficiency in Indian Data Centers
Presentation made by the Cooling Sub-Working Group at the February 13th National Workshop
Energy-Savings Opportunities in Small Data Centers
Slides from Steve Greenberg's August 17th, 2017 presentation during FEMP's Energy Exchange Data Center Panel. 
ENERGY STAR® Program Requirements for Computer Servers
These Version 3.0 ENERGY STAR Specification requirements will take effect on June 17, 2019 and computer servers should be tested using SERT Version 2.0.1. The Version 3.0 specification will recognize the
ENERGY STAR Version 3.0 Computer Servers Program Requirements (1).pdf
ENERGY STAR: Data Center Energy Efficiency Success Stories
This page, hosted on the ENERGY STAR website, contains case studies and return of investment (ROI) su

ENERGY STAR Portfolio Manager
Benchmarking the energy performance of your buildings is a key first step to understanding and reducing energy consumption and your carbon footprint.

ENERGY STAR Page on Enterprise Servers
Overview of ENERGY STAR certified Enterprise Servers.

ENERGY STAR Data Centers
 Data centers have emerged as the fastest-growing sector for ENERGY STAR certification, with more than a four fold increase between the number of data centers certified in 2014 and 2018. The certification recognizes that the company’s data centers rank

ENERGY STAR Data Center web page
ENERGY STAR page that includes links to purchase ENERGY STAR certified enterprise servers, storage, UPSs, and network equipment.

Energy Performance Evaluation of Aquila’s Aquarius Fixed Cold Plate Cooling System at NREL’s High Performance Computing Center
This paper gives an overview of the Aquarius fixed cold plate cooling technology and provides results from early energy performance evaluation testing.
Energy Implications of Economizer Use in California Data Centers
In this paper, based on building energy models, we report energy savings for air-side and water-side economizer use in data centers in several climate zones in California.
Economizer Use CA_2008pdf.pdf
Energy Exchange 2017: Better Buildings, Better Data Centers
Presentation from the August 14th, 2017 1/2 day pre-conference Energy Exchange Workshop.
Energy Exchange Data Center Workshop 081117.pdf
Energy Efficient High Performance Computing Power Measurement Methodology
This document recommends a methodological approach for measuring, recording, and reporting the power used by a high performance computer (HPC) system while running a workload.
Energy Efficient High Performance Computing Power Measurement Methodology.pdf
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
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
Energy Efficiency Toolkit Series: IT Equipment
Energy savings at the IT Equipment level cascade through most energy consuming support systems in data centers hence multiplying the energy savings.
Introduction To The New IT Equipment Tool - Saving Energy At The IT Equipment Level - Final.pdf