"carbon management programme" - mat jane, university of winchester
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University of Winchester Carbon Management Programme
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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
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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
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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
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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
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• 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
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PC power management
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Remote start up????
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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%)
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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
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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
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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
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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
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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
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Voltage Optimisation results
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Voltage Optimisation results
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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