University of Winchester Carbon Management Programme

Drivers

• Doing the right thing• Environmental strategy• Student recruitment• Reduced utility costs• Reduce likelihood of CRC capture• HEFCE targets on CO2 – performance now

linked to capital funding

Carbon footprint baseline 2006/7

2006/7

2007/8

2008/9

0 500 1000 1500 2000 2500 3000 3500 4000 4500

Emissions by Source (tCO2)

Building Energy Water Usage Waste Disposal Fleet Vehicles Business Travel Air Travel Rail Travel

Footprint and target

• Footprint of 4206 tonnes• Included – Electricity, gas, water and oil,

business travel, fleet vehicles & waste• Absolute reduction in emissions of 30% by

2015• Reduction to 2945 tonnes

Progress to dateCarbon emissions have dropped by 7.26% by gross internal area (m2) since the baseline year

2006/7

2007/8

2008/9

0.086 0.088 0.09 0.092 0.094 0.096 0.098

CO2 by GIA(m2)

Tonnes CO2

Carbon emissions by staff and student FTE (full time equivalent) have dropped by 9.76% since the baseline year

2006/7

2007/8

2008/9

0.76 0.78 0.8 0.82 0.84 0.86 0.88 0.9 0.92

CO2 by Student and Staff FTE

Tonnes CO2

• Annual utilities spend of c. £1m

• All Half Hourly electricity now on CCL exempt tariff

• King Alfred’s Campus – Reduction of electricity consumption by 2.99% compared to the previous year

• West Downs Campus –Reduction of electricity consumption by 6.85% compared to the previous year

Energy

PC power management

Remote start up????

Waste and Recycling

• Mixed (co-mingled) recycling introduced and Pay-By-Weight• Recycling rate now 55.5 %, up from 14% in January 2009• Diverted 182 tonnes of waste from landfill saving 80.4 tonnes

of co2• Cost saving of C. £20k (20%)

LED Replacement for Halogen• Replacing 350 x 50w halogen

spotlights, with 3w LED • Expected life of lamps 10 years

• Cost £15,000• Energy saving £5,350 pa• Payback 2.8 years• CO2 saving 42 tonnes pa

• Additional saving from reduced cooling requirement

Replacement of inefficient floodlighting

• Replacing 100 external floodlights, ranging from 70w up to 400w, with 12w LED floodlights

• Expected life of lamps 10 years

• Cost £24,000• Energy saving £6,500 pa• Payback 3.7 years• CO2 saving 46 tonnes pa

Induction lighting

• Installation of induction lamps in the Sports Hall, replacing 75w sodium lamps with 40w induction lamps

• Induction lamps are switchable• Expected life of lamps 100,000 (15 years)

• Cost £8,000• Energy saving £2,300 pa• Payback 3.5 years• CO2 saving 15 tonnes pa

Thermal upgrades of boiler plant

• Installation of valve and flange jackets and pipe lagging

• Cost £27,000• Energy saving £10,800 pa• Payback 2.5 years• CO2 saving 103 tonnes

pa

Voltage Optimisation

• Installation of voltage optimisation equipment, reducing voltage in the West downs Student Village from 237v by around 7 %

• Cost £38,000• Energy saving £8,500 pa• Payback 4.5 years• CO2 saving 40.5 tonnes

pa

Voltage Optimisation results

Voltage Optimisation results

Future projects

• Sub-metering of all buildings linked back to monitoring and targeting software

• Feasibility study being completed for CHP and district heating network

• Investigating biomass to replace oil fired boilers• Replacement of street lighting with LED/solar• Further VO projects• Replacing T8/12 tubes with T5 retrofit