Tools and Resources

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Global leaders within the data center industry developed a consistent set of global metrics for measuring energy efficiency and greenhouse gas emissions. This protocol provides the agreed-on measurement protocols for PUE, Green Energy Coefficient (GEC), Energy Reuse Factor (ERF), and Carbon Usage Effectiveness (CUE). This document, dated October 2, 2012, also discusses agreements that have been reached to date.

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In response to a 2007 Congressional request, EPA developed this 133-page report to assess current trends in energy use and energy costs of data centers and servers in the U.S., and to outline existing and emerging opportunities for improved energy efficiency. It provides particular information on the costs of data centers and servers to the federal government and opportunities for reducing those costs through improved efficiency.

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This report from the U.S. Green Building Council explains how high performing buildings show proven cost-effectiveness, boost employee productivity, enhance tenant health, reduce liability for owners, and increase a building's property value. Certification programs like LEED and ENERGY STAR are creating common benchmarks, support tools and opportunities for the public which offer market differentiation and create higher value for buildings.

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Read this guidance to understand and implement the standardized energy efficiency measurements, metrics, and reporting conventions for data centers. The document also contains contact information for industry leaders developing the national guidance standards.

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Use this document to better understand EPA's 1-100 ENERGY STAR score for data centers and learn how to benchmark your data center in Portfolio Manager. It includes answers to common questions about the score, the Power Usage Effectiveness (PUE) metric, and energy measurement.

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Learn national industry standards for measuring and publishing values for Power Usage Effectiveness (PUE) at data centers here. This document provides recommendations on how to measure and report overall data center infrastructure energy efficiency, based on agreed upon guiding principles.

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Learn and implement global industry standards for data center energy efficiency measurements, metrics, and reporting conventions here. The document also contains contact information for industry leaders participating in the global task force.

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This document includes the established protocols for measuring Power Usage Effectiveness (PUE) at data centers, based on global industry guidance. The document establishes a standard set of metrics, indices, and measurement protocols which aim to improve data center energy efficiency globally.

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Use this guide to learn where you can save energy in your data center. The guide uses best practices for program design and implementation to illustrate how to plan strategies, perform measurements, and track program performance.

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Use this brochure to find the most effective ways you can reduce energy use in your data center. IT professionals, facility managers, energy managers, and sustainability coordinators can identify several opportunities to save energy, from virtualizing your servers to organizing your data to managing data center air flow. Print and share this brochure to your colleagues to help your organization reduce its energy consumption.

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