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Energy Saving Projects for Data Centers In Japan, Hitachi promotes the electric power saving projects for the whole Data Center utilizing all group resources*1– IT devices, air-conditioning equipment, power supply facilities, buildings,etc.

Enhance Development of Environmentally Friendly IT Devices

Power Saving for the Whole Data Center

IT Power Saving Plan

Energy Saving Project for Data Centers

Reduce 330,000t CO2 emission in 5 years

Reduce Data Center electric power consumption – max 50% in 5 years.

(Equivalent to a forest 12 times as large as Tokyo 23 wards)

Major Devices

Enhance and expand the power saving technology development that Hitachi has focused on under the service platform concept. Hitachi developed major IT products with the goal of reducing CO 2 emission by 330,000t


Operation Level (Virtualization) Devices Level (Cooling, Power Supply) Component Level (LSI, HDD)

Others (Lights)

Power Supply

Uninterruptible Power Supply


Heat Conduction Simulation


Air Conditionng


20 07


Hitachi has promoted technology development to optimize total power consumption, such as power saving technology for devices and facilities, air-conditioning controls that accommodate IT devices

IT Devices Power Saving Technology Development

Power Consumption (

Reduce Data Center Power Consumption, Maximum 50% in 5 years



Reduce 330,000t of CO2 Emissions of IT Products in 5 years

 ・Server  ・Storage  ・Router  ・Switch


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*1:A facility that stores the customer’s server and system and provides the maintenance and operation service. A rapid increase of energy consumption is projected with the increase of IT equipment and the extensive increase of information.

IT Products

Current (2007)

Information & Telecommunication Systems, Hitachi,Ltd.

High Efficiency Power Heat Conduction Simulation High Efficiency Air-Conditioner

Facility Environment Improvement

Result of IT Power Saving Plan After Optimization(2012)

Energy Saving Projects for Data Centers : Hitachi in U.S.A.  

Hitachi promotes the electric power saving projects for the whole data center utilizing all group resources including IT devices, air-condit...