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

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

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

University Estates Directorate How ‘Green’ is your building?

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

University Estates Directorate Electricity Meters ION 7550 electricity meter

University Estates Directorate Electricity Network Metering

University Estates Directorate Submeter Graph

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

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

University Estates Directorate Daily Exception Report

University Estates Directorate Weekly Report

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

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

University Estates Directorate Thank you