IO is the most sustainable data center

In the context of the data center, efficiency is about using less – less energy and less water – and about getting energy from renewable sources. At IO, we’re working hard to maximize the energy efficiency and sustainability of our data centers.

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Efficiency & Conservation

IO uses best practices on our raised floor and our modules utilizing variable frequency drives in our chillers, pumps, cooling towers and air handlers to reduce energy consumption. By using only the power necessary to keep our equipment running at optimal levels, we are able to operate much more energy efficient data centers.

In a first-of-its-kind study, IO, Arizona Public Service (APS) and DNV Kema (now DNV GL) evaluated the performance of IO’s modular data center platform compared to a raised floor environment. The study was conducted over a full year of actual use, and then normalized for factors such as weather conditions, envelope design, chiller plant efficiency and system utilization.
Traditional Modular Reduction Percent Reduction
Energy Overhead 204,458 kWh 113,767 kWh 90,691 kWh 44%
Energy Consumption
(total input)
438,902 kWh 93,211 kWh 90,691 kWh 19%
The modular environment demonstrated a 44% reduction in energy waste (19% energy cost savings). The estimated cost reduction amounted to more than $200,000 per megawatt (MW) of IT power load per year based on the site’s electricity rate at the time, $0.07/kWh. IO’s Global Footprint saved approximately 44k metric tons of CO2, this is equivalent to:
IO Sustainability passenger vehicles
IO Sustainability waste
IO Sustainability Tree
IO Sustainability home energy

Industry Engagement

Our industry has the opportunity to make a meaningful difference in improving the environment by using resources more efficiently and diligently seeking new ways to reduce our overall impact. So we continue to find new ways to lead our industry in building sustainable, green data centers.
Business for Social Responsibility
Business for Social Responsibility – IO is part of a global nonprofit organization that works with its network of member companies and partners to build a just and sustainable world.
Corporate Renewable Energy Buyers’ Principles Group
Corporate Renewable Energy Buyers’ Principles Group – IO joined with other multinational companies to drive simpler access to and lower costs for the renewable electricity needed to meet our green energy goals.
U.S. Department of Energy Better Buildings Challenge<
U.S. Department of Energy Better Buildings Challenge – IO is working with other organizations to share and replicate positive gains in energy efficiency as we strive to become 20 percent more energy efficient over the next decade.
Carbon Disclosure Project
Carbon Disclosure Project – IO is pleased to be a part of this not-for-profit that runs the global disclosure system to manage environmental impacts.


IO’s Commitments:

At IO, we believe that 100% renewably powered, zero waste data centers are achievable and we’re working toward that goal every day and in every possible way. We’re using resources more efficiently and diligently seeking new ways to reduce our overall impact. To that end, we will:

  1. Actively work toward a long-term goal of 100% renewable energy procurement.
  2. Leverage our global footprint to enable distributed network availability and dynamic load placement.
  3. Continue to increase visibility into our data center operations and provide customers tools to measure their performance.
  4. Reduce on-site generation and backplane emissions.
  5. Work to eliminate wasteful behavior and create zero-waste data centers.
  6. Take a comprehensive approach to sustainability, involving everyone around us.

“We look at the environmental impact of every decision we make, and in doing so, we aim to be responsible while delivering performance. With IO, we have found a colocation partner who shares as strong a commitment to sustainable technologies and practices as we have.”

Laurent Pulce, CIO
Veolia Water Technologies


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