Posts in the Power Category at Data Center Knowledge

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Roundup: Active Power, Interxion, Amazon
March 25th, 2010 : John Rath
Active Power (ACPW) reports $6 million in orders, Interxion expands Amsterdam data center, Equinix (EQIX) and Switch & Data (SDXC) disclose another extension for closing their merger. Read More
When The Power Goes Out at Google
March 8th, 2010 : Rich Miller
What happens when the power goes out at a Google data center? We found out on Feb. 24, when a power outage at a Google facility caused more than two hours of downtime for Google App Engine, the company's cloud computing platform for developers. Read More
Greenpeace’s Hosting: Not ‘Truly Green’
March 3rd, 2010 : Rich Miller
In attacking Facebook, Greenpeace asserts that "the only truly green data centers are the ones running on renewable energy." Given this stance, one might expect Greenpeace's hosting operations to be housed in facilities powered entirely by 100 percent renewable energy. You'd be wrong. Read More
Can Bloom Boxes Power Data Centers?
March 2nd, 2010 : Rich Miller
Is the Bloom Energy Server the future of data center power? Or the latest promising energy technology to fall short of the economics and scale required to support major data centers? Read More
Google Using Bloom Box, But Not in Data Center
February 22nd, 2010 : Rich Miller
Google (GOOG) was the first customer for Bloom Energy, and is using the startup's gas-powered fuel cells in its operations. But contrary to early media reports, it is not using any of the "Bloom Boxes" in its data centers at present. Read More
No Harmony in Harmonics
February 12th, 2010 : Kevin Normandeau
Harmonic currents can cause distortion in your electrical system. This white paper examines common causes of problematic harmonics, along with implications and resolutions for data center operators. Read More
Facebook’s Green Data Center, Powered by Coal?
February 2nd, 2010 : Rich Miller
Facebook is emphasizing the energy efficiency in the design of its new Oregon data center. But much of the electricity powering the facility will be generated from coal, not hydro. Read More
Will Utilities Help Fund Thermal Storage?
January 28th, 2010 : Rich Miller
A California utility will buy thermal energy storage systems and distribute them to commercial customers, hoping the move will shift power usage to off-peak hours. The concept may hold promise for the data center industry, where thermal storage is lightly implemented but offers the potential for significant peak-shaving savings on power bills. Read More
Flywheel Maker Gets $13M Investment
January 20th, 2010 : Rich Miller
VYCON, which makes flywheels for backup power systems, announced today that it has closed a $13.7 million round of funding. Flywheels are an alternative to using batteries in a data center UPS (uninterruptible power supply) system. Read More