Citi Midwest Data Center Earns ENERGY STAR
has committed to reduce the resources consumed in the course of doing business, particularly those that directly impact climate change, says John Killey, global head of sustainability for Citi Realty Services. use of ENERGY STAR is integral to energy management at Citi, being a simple but effective global benchmarking tool that enables us to focus on areas of opportunity. to the press release, earning the ENERGY STAR at the Midwest Data Center demonstrates Citi commitment to achieving energy efficiency and the company use of innovative engineering and technology to continue to make efficiency improvements in all areas of its operations.
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In order to achieve this recognition, Citi focused on reducing all areas of energy consumption, and in particular the IT equipment cooling systems the largest non IT energy consumer in any data center.
Citi innovations and improvements that led to the ENERGY STAR certification include raising space temperatures and increasing supply air temperatures to the data center floor, employing free cooling techniques for 35 percent of the year and limiting the use of large refrigeration equipment, and isolating high and low energy IT equipment in different areas to reduce cooling fan speeds in less energy intensive areas of the facility.
Additionally, Citi generated an energy management system with dashboards of real time equipment efficiency and peak performance targets, allowing operators to take advantage of opportunities and make improvements in the facility operations on a 24 hour basis, and analyzing and employing key information from the reporting and trending functionality provided by the EMS to ensure they are incorporated into the operating procedures.
The Midwest Data Center is Citi first data center to earn the ENERGY STAR, and one of 54 ENERGY STAR labeled Citi facilities.
In 2008 Citi developed an extensive global program to benchmark energy performance across 85 million square feet spanning 12,000 locations and 100 countries, using ENERGY STAR Portfolio Manager for commercial buildings.
To date, Citi has reduced energy consumption by 20% across its 100 largest facilities, which account for nearly one third of the space in its real estate portfolio.
Citi data center in Frankfurt, Germany was the first in the world to become LEED NC Platinum certified by the US Green Building Council and Citi Georgetown, Texas, and Singapore data center facilities are both LEED gold certified.
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