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Pentadyne Power Corporation, the world’s leading commercial manufacturer of clean energy storage systems using advanced composite flywheel technology, announced its participation in a milestone demonstration project at the Sun Microsystems’ campus in Silicon Valley to prove that the nation’s data centers can conserve massive amounts of energy and drastically reduce their utility bills by using direct current (DC) architecture to run power-hungry servers connected to the Internet.
The best minds on energy and data center issues — including researchers and system engineers at the US Department of Energy’s Lawrence Berkeley National Laboratory , California Energy Commission , Sun Microsystems , Intel , Cisco, Pentadyne and others — joined together to develop a working with battery such as Hp F2299A battery
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demonstration to prove how the nation’s data centers could amass billions of dollars in utility savings by using DC architecture that would conserve thousands of gigawatt-hours of energy per year. One gigawatt-hour is enough energy to power more than 60,000 average homes for a year.
With 17% of the nation’s data centers located in the San Francisco and Silicon Valley areas, the massive reduction in energy utilization from DC-powering could help mitigate California’s energy crisis and summertime rolling blackouts. On a nationwide basis, the reduced demand on utility power generation could cut yearly emissions of smog-forming NOx by two million pounds and reduce carbon dioxide greenhouse gas emissions by nearly a billion pounds, according to US EPA utility power plant emission statistics.
The technology demonstration is being conducted at Sun Microsystems in Newark, Calif. Pentadyne supplied the flywheel-based clean energy storage system connected to a rectifier that converts the incoming utility grid AC into 400-volt DC power. Pentadyne’s fast spinning composite flywheel replaces conventional UPS (uninterruptible power supply) battery banks that store energy to seamlessly continue power to the data center equipment in the event of a blackout or other power disturbance.
The demonstration project proves that using DC power instead of alternating current (AC) can reduce energy needed to run data centers by up to 20 percent and improve overall system reliability. Servers from major manufacturers have been tested to operate within the DC architecture.