1. University Estates Directorate Energy & Cost Savings at Oxford Philip Pike Energy Conservation Engineer Oxford University Estates Directorate

2. University Estates Directorate The Facts Estate 510,000 m 2 GIA 225 buildings 100m kWh electricity 99m kWh gas 74,400t CO 2 2008-9 energy cost increase £7m (95%) In 5 years costs +400%, consumption +37%

3. University Estates Directorate The Problems 11 Grade 1 listed buildings Continuous new development Highly serviced buildings 3% annual growth in electricity use Increasing IT loads Departmental budgets under pressure

4. University Estates Directorate How ‘Green’ is your building?

5. University Estates Directorate Building Electricity Use IEB users 64% electricity, (servers 27%), plant 36% Classics users 70%, (servers 12%), plant 30% IEBClassics Gross internal area (m²)3,2152,405 Annual electricity (kWh/m²)25976 Users – light & small power (kWh/m²) 9744 Servers699 Plant (kWh/m²)9323

6. University Estates Directorate Electricity Meters ION 7550 electricity meter

7. University Estates Directorate Electricity Network Metering

8. University Estates Directorate Submeter Graph

9. University Estates Directorate Information Engineering IEB weekly electricity load (baseload 74kW)

10. University Estates Directorate Said Business School Said weekly electricity load (baseload 70-80kW)

11. University Estates Directorate Daily Exception Report

12. University Estates Directorate Weekly Report

13. University Estates Directorate Departmental Actions Energy Management Toolkit Occupancy hours Behavioural change Heating Lighting IT - WoL Lab Equipment

14. University Estates Directorate Estates Actions Heating controls Variable speed drives Lighting controls Building fabric improvements New plant replacements Heat recovery

15. University Estates Directorate Thank you