1. Responsible Energy Costs
Peter James and Martin Bennett

2. About Us
1998 – Co-founded world’s first Green IT NGO
Higher Education Environmental Performance
Improvement (HEEPI) - www.goodcampus.org
SusteIT
- guidance, networking, publications etc
- footprinting, comparison tools
- conferencing, green IT for science
Responsible Energy Costs
- Forum for the Future

3. University of Sheffield
10% 1%
14%
2%
HPC
8%
Servers
PCs
18%
Networks
Telephony
Imaging
AV
47%
18% electricity
15% carbon
£1 million annually

4. UK Higher Education
760,000 PCs
215,000 servers
147,000 networked printers
£60 million + energy bill
275,000 tonnes of CO2

5. Data Centre Energy Efficiency
Power management Better air management
Consolidation/Virtualisation Free/efficient cooling
More efficient device design Wider humidity/temp bands
More efficient storage Flexibility and control
Power Server Load/
Conversion & Cooling
Computing Equipment
Distribution
Operations
Voltage optimisation On-site renewables
Use of DC power Waste heat for cooling
Highly efficient UPS systems Alternative Fuel cells
Energy
Efficient redundancy strategies Thermal storage
Supply

6. Hertfordshire University
First Uni in Europe to comply with EU Code of
Conduct for Data Centres
Design & build contract
Hot/cold aisle; higher operating temps; free
cooling; heat recovery; efficient
dehumidification
PUE reduced 2.2 ->1.26
69% additional capacity

7. University of St Andrews
PUE 1.2 saving £64k compared to 1.5 norm
Hot/cold aisle, blanking plates, controlled flows
High efficiency water cooled DX cooling
Wider humidity bands (50% +/-20%)
Higher set temp. (22 C)
Free cooling 80% year
99% efficient UPS
Heat recovery

8. Why Measure?
Operational Improvement
Awareness Raising
Incentivising
- devolved budgets
- shared savings
Decision support
- whole life costing (TCO, LCC)
- cost analysis of strategic IT options
Sub-metering fundamental to all

9. Amazon Web Services

10. Drivers – Cost Transparency