10 Factors That Define an Energy-Efficient Data Center - 10
An energy-efficient data center will have backup power generators (uninterrupted power supplies) that are tested at least monthly, will start immediately in an emergency, and will be able to carry the load for one to three days in the event of a prolonged outage. These generators should be powered by natural gas.
According to recent Gartner Group and Environmental Protection Agency reports, the power demands of data centers in the United States have grown by five or more times in the last seven years and are expected to double again by 2011. At the moment, the EPA estimates that data centers account for 1.5 percent of all the power used in the United States-