Green Data Centers

Google Efficiency Update: PUE of 1.22

This graphic shows the trends in PUE at Google data centers.

Google’s latest quarterly update of the energy efficiency of its data centers showed a slight uptick from the previous quarter, but improvement from the same period last year. The Power Usage Effectiveness for Google’s “fleet” was 1.22 in the third quarter. Read More

Federal Agencies to Get 'Energy Czars'

An executive order signed last week by President Barack Obama calls for rigorous use of best practices in energy efficiency for federal data centers, as well as “energy czars” for government agencies. Read More

NetApp Unveils Green Data Center

The exterior of the new NetApp data center in Research Triangle Park, North Carolina.

NetApp (NTAP) is opening the doors to its new energy-efficient data center located at its campus in Research Triangle Park (RTP), NC, which the company says will have an estimated PUE of 1.2. Read More

Green Grid Starts PUE Reporting Database


The Green Grid has introduced a free online tool for data center operators to report Power Usage Effectiveness (PUE) scores. The results will be compiled in an online database, and categorized according to the methodology used in each report. Read More

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