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The Green Grid
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Letter From the President

At this time of year, I often find myself reflecting on recent accomplishments and excitedly looking ahead to what the new year may bring.

The Green Grid has had yet another successful year bringing new metrics, best practices, and impactful research to the ICT industry. Thanks to the diligent efforts of our members, the Performance Indicator, Liquid Cooling Technology Update, and assessments of the ride-through performance of equipment power supplies and the guidelines determining the susceptibility of power supply units to disturbances and outages are all contributing to data center improvements.

It was an especially proud moment when the U.S. Department of Energy’s data center energy usage report noted the difference our members make to gains in energy efficiency, and I would like to take a moment to recognize all who have played a pivotal role in advancing The Green Grid’s mission.

2017 marks the start of our 10th year, and we are kicking it off with a bang!

As you may have seen, we have an all-new website that reflects the association’s position as the industry voice for more efficient use of resources. It boasts a modern look-and-feel, makes it easy to find and access resources, shares news, events, project updates, and thoughtful commentary on resource-efficient IT, and enhances the member and visitor experience.

We are also very pleased to announce that long-time member and passionate efficiency advocate, Roel Castelein, has accepted the newly created role of Membership Director to promote The Green Grid’s growth around the world. Roel is already working hard to communicate the association’s value proposition to prospective members.

In addition, The Green Grid selected its leadership team for the coming year. Lance Rütimann and I will continue in our roles as Vice President and President, while Christopher Kelley and Jason Dodier join as Secretary and Treasurer.

I am looking forward to continuing our momentum and accelerating the charge toward greater resource efficiency. Stay tuned as The Green Grid has a slate of new white papers nearing publication and the work on many projects continues in our work groups and committees.

Season's greetings and best wishes for a Happy New Year!

Roger Tipley
President and Chairman of the Board
The Green Grid Association



The ‘Big Bad Data Police’ Will Call Unless There Is an Increased Focus on Data Center Efficiency Objectives

With the data center industry becoming one of the fastest-growing and power-hungry sectors, Roel Castelein from The Green Grid has urged data center operators to commit to energy-efficient practices. Otherwise, providers will be unable to protect consumers from excessive data restrictions as data centers seek to satisfy customer demands against dwindling energy suppliers.
Read more >



The Green Grid Sheds Light on Cool Trends to Watch

As interest in liquid cooling technologies reaches an all-time high, The Green Grid’s Liquid Cooling Work Group has kicked off new work items and examined the latest liquid cooling trends, from increased pressure to meet efficiency goals to higher density demand.
Read more >

Singapore Work Group Participates in Events

The Green Grid Singapore Work Group gained measurable momentum from its participation at events held in Singapore.
Read the recap >

The Importance of Ride-Through Testing Data

“Free Power Quality” is promoted as a way to simultaneously improve data center performance and lower the cost of energy. However, there are numerous factors affecting Free Power Quality. In this new white paper, The Green Grid explores the impact of the ride-through performance – throughout the industry – of system equipment’s internal power supplies. Download the whitepaper >

Liquid Cooling Technology Update

The Green Grid provides a high-level overview of IT and facility considerations related to cooling, along with a guide to state-of-the-art liquid cooling technology. It clarifies liquid cooling terms, system boundaries, topologies, and heat transfer technologies, and examines direct and indirect benefits for ITE systems, as well as factors for connection to existing facility infrastructure or the need for addition of supplemental heat rejection systems. Download the whitepaper >


New work groups are forming to address areas of strategic interest to The Green Grid’s member companies. Participate now in the development of new metrics, white papers, and other deliverables that will shape the future of resource-efficient IT.

Redfish API Utilization
Members: Join the group here >



Key Contributor Award
The Key Contributor Award recognizes individual participants who have made significant contributions in advancing the work of The Green Grid. Nominations are now being accepted for 2016. Download a nomination form and submit it to

Recognition of Contribution
To acknowledge the time and effort its members put into furthering the mission of the organization, The Green Grid presents a Recognition of Contribution to those members who actively contribute to the completion of a work item.
See the 2016 recipients >

Hugh Barrass Award
The Hugh Barrass Award is bestowed on a member of The Green Grid, or of the broader ICT community, who best represents the contributions of Hugh Barrass to the industry and the spirit of The Green Grid. Nominations for the 2016 award are currently being accepted. Download an application form and submit it to



The Green Grid Japan Members Meeting – 2016
The annual members-only event took place December 15 at NEC Shiba Club in Tokyo. Terence Graham, research associate of BroadGroup, presented challenges and opportunities for locating data centers outside Japan, while Mark Seymour, lead author of the Performance Indicator and CTO of Future Facilities Ltd., introduced the new metric and explained its business benefits. The program also included a panel discussion on the future of data centers focused on “heat.”
Download the presentations >

GTC Virtual Summit
The Global Technical Committee’s “New & Different, Green & Global Summit” hosted lively and interactive social discussions that touched on a range of topics – from zombie servers and the implications of continued data growth to tropical data center cooling and updates from key work groups.
Download the presentations >

DCD Zettastructure
Roel Castelein and Simon Brady from The Green Grid EMEA leadership team attended this year’s DCD Zettastructure event November 1-2 in London. Roel spoke in the panel session, “The role of IT in data center sustainability – how can we reduce the environmental impact of IT across the stack?” while Simon hosted the workshop, “Translating data center metrics/KPIs into an executive management-focused instrument.” The findings from the workshop are planned to be shared in a future virtual roundtable.
Learn more >


On-Demand Webcast
The Case for the Performance Indicator
The Green Grid’s Mark Seymour and Lance Rütimann recently addressed a number of questions raised about the new Performance Indicator and explored the business benefits of its visualization and calculation method for continued cooling performance improvement.
Watch now >


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