ENERGY EFFICIENT DATA CENTRES – AN OVERVIEW Professor Peter James.
Energy Efficient Data Centres – An Overview
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Transcript of Energy Efficient Data Centres – An Overview
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ENERGY EFFICIENT DATA CENTRES
– AN OVERVIEW
Professor Peter James
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BACKGROUND
• Higher Education Environmental Performance Improvement- Green Gown Awards - www.heepi.org.uk
• Sustainable IT in Tertiary Education- Strategic review of IT in universities- Identifying & disseminating good practice- www.susteit.org.uk
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ICT LIFE CYCLE IMPACTS
Materials
ManufactureTransport
Use
Disposal
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www.gridcomputingnow.org
ELECTRICITY CONSUMPTION
• High power consumption- ICT 10% UK electricity- Data centres 1.5% (8GW)- 46 TWH 2006 to 93 2020= aviation/refrigeration
• High summer load- system reliability
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WHY IT MATTERS TO HE
• Cost- 50 to 100% rise in electricity prices?
• Carbon- growing regulation- Carbon Reduction Commitment
• Capacity
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The Coal-Powered Computer
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DATA CENTRE END USE
Server Load/ComputingOperations
Cooling Equipment
Power Conversions& Distribution
100 Units
33 UnitsDelivered
35 Units
Source: US EPA
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GREEN DATA CENTRE OBJECTIVE
Typical Practice Better Practice
Server Load/ComputingOperations
Cooling & Power
Conversions Server Load/ComputingOperations
Cooling & Power
Conversions
Source: US EPA
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Server Load/ComputingOperations
Cooling Equipment
Power Conversion & Distribution
AlternativeEnergy Supply
High voltage distributionUse of DC powerHighly efficient UPS systemsEfficient redundancy strategies
Power efficiency & managementLoad managementConsolidation/Virtualisation
Better air managementFree/efficient coolingEfficient liquid coolingFlexibility and control
On-site renewablesWaste heat for coolingFuel cellsThermal storage
ENERGY EFFICIENCY MEASURESAdapted from US EPA original
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BARRIERS
• Lack of awareness and information• Low prioritisation of sustainable ICT issues• Unsupportive financial frameworks• Lack of capacity• Limited connection of key stakeholders
- IT and facilities/building
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Life Cycle Energy Use of PCs
-2000
0
2000
4000
6000
8000
10000
12000
14000
16000
Desktop Laptop CRT LCD
Tota
l Ene
rgy
(MJ)
Production
Distribution
Use
End of life
Source: European Commission EuP Studies