NTT America to save US$630k a year at two DCs with Vigilent

| November 11, 2011

NTT America, in collaboration with several global affiliates, says it will be able to save some 7.6 million kWh of power – equalled to more than US$630,000 in energy costs and over 10 million lbs of CO2 – per year with improvements on how it cools its two largest North American data centres.

Core to the improvements was the adoption of a solution from Vigilent, an intelligent energy management system firm. NTT America chose Vigilent as its energy management partner after a successful pilot project at a data centre in San Jose. Following the success of the Vigilent system during the pilot project, NTT America extended deployments at both the San Jose and Sterling data centers. The deployments at the two data centers encompassed 178 DX and chilled-water CRACs (Computer Room Air Conditioners), and in total more than 3,000 racks of servers, within 135,000 sq. ft. of floor space.

In addition to direct energy savings, NTT America identified potential indirect financial benefits totalling US$210,000 annually as a result of the Vigilent solution. These include reduced maintenance costs, increased cooling capacity, improved thermal management and deferred capital expenditures.

The system also improved the PUE performance by 10% at the Sterling site and 5% at the San Jose site, and offered a ROI period of under two years, NTT America said.

“We recognize the importance of reducing the amount of energy required to cool the data centers NTT America operates. Equally important is our enterprise customers’ interest in, and support of, energy efficiency both from the environmental and cost reduction avenues. As a key driver for the future of the data center, NTT America will continue to evaluate, support and deploy technologies that can be environmentally sound and cost effective for our customers,” said Kazuhiro Gomi, president and CEO of NTT America.

According to NTT, the Vigilent system is able to deliver cost saving benefits through dynamic, automated control of extremely complex cooling environments utilizing advanced, artificial intelligence technology. The system employs a wireless mesh network of sensors which provides real-time feedback from tens to thousands of data points throughout the data center to an artificial intelligence engine. The engine incorporates this data, along with thousands of other variables, to dynamically and continually adjust air cooling and flow equipment for maximum efficiency in alignment with changing IT loads, within pre-specified environmental parameters.

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Category: Cloud computing, Data centres, Green ICT

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