Commercial and industrial consumers

47%

Domestic consumers

30%

Road transport

23%

DTI 2003 local energy statistics for Oxford

Total CO2 emissions for 2003 = 827,095 tCO2

Gas consumption 2003 figures (December 2004)

Electricity consumption 2003 figures (March 2005)

Road transport fuel 2003 figures(June 2005)

Oxford population 2001 Census = 142,500

CO2 emissions ( gas, electricity and road

transport) of average Oxford citizen: 5.8t/year

10.5%

53.3%

16.3%

12.2%

0.5%

1.5% 5.7%

Buses

Diesel Cars

Petrol Cars

Motorcycles

HGV

Diesel LGV

Petrol LGV

Comparison: National and International figures

Oxford citizen: 5.8tCO2/year

UK citizen: 8.9tCO2/year

Comparison with national figures: DTI figures (domestic sector)

0

5,000

10,000

15,000

20,000

25,000

Oxford dwelling-average 21,150 4,554 5,977

UK typical dwelling 20,111 4,600 6,000

Annual gas (kWh/year)

Annual electricity (kWh/year)

Annual CO2 emissions

(kgCO2/year)

Annual gas and electricity consumption: Oxford typical and UK typical dwelling

Oxford case study: DECoRuM baseline energy & CO2 model

© Rajat Gupta 2006

Thematic map showing SAP ratings for dwellings in the case study

© Rajat Gupta 2006

DECoRuM CO2 reduction model: estimating solar potential87% of the dwellings in the case study were suitable for installing either a SHW or a PV system or both.

Dwellings with potential for Number of dwellings Percentage

4 m2 flat plate SHW (available roof area: 4.0 m2- 9.9 m2) 38 11.9%

PV (available roof area: 10.0 m2-13.9 m2) 46 14.5%

SHW & PV (available roof area: >13.9 m2) 192 60.4%None 42 13.2%

TOTAL 318 100.0%

© Rajat Gupta 2006