practical measures to tackle climate chaos david somervell, energy & sustainability manager...
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Practical Measures to Tackle Climate Chaos
David Somervell, Energy & Sustainability Manager
University of Edinburgh – Estates & Buildings Department13 Infirmary Street, Edinburgh EH1 1LT Tel 0131 650 2073 http://www.eso.ed.ac.uk [email protected]
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Universities and Colleges
1. Crisis? What Crisis? [It is for real]
2. How will this affect our institution?
3. Developing a Strategic Approach
4. Invest now in Utilities Infrastructure
5. Decentralised Energy on Campus
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By 2050 we must cut CO2 emissions by 7 GtC with a 1.3 GtC cut by 2025, against projected ‘Business as Usual’.
1990
550 ppm
450 ppm
6 -
5 -
4 -
3 -
2 -
1 -
°C
Glo
ba
l C
arb
on
Em
iss
ion
s,
GtC
WRE 1000 (IPCC)WRE 550 (IPCC)WRE 450 (IPCC)
1000 ppm
2100
ran
ge
Fu
rth
er r
ises
to
230
0
205020402030202020102000
6
8
10
4
12
14
16
2
2000 2010 2020 2030 2040 2050
9
11
13
7
Glo
ba
l C
arb
on
Em
iss
ion
s,
GtC
20251.3 GtC reduction
Facts & TrendsIPCC Scenarios
20506-7 GtC reduction
Facts & Trends9 GtC world
BAUPathways to 2050
Projections & Required Reductions
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Extreme droughts will plague sub-Saharan Africa. Children stand behind one of thousands of livestock that died from thirst in southern Ethiopia. [REUTERS March 2006]
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What’s needed?
1. Interested, Enthusiastic People2. Senior Management Support 3. Allocation of Resources (Money)
PLUS … Some Measure of Luck / Timing!
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Edinburgh:
“University
in the City”
… invested
£12million in
Decentralised
Energy / CHP
2002-2005
Pollock Halls 526kWe CHP
King’s Bldgs 2.7MWe CHP
George Sq 1.6MWe CHP
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Edinburgh’s 3 CHP Projects
1. Pollock Halls: 526kWe engine serving student residences as lead boiler – 2003
2. The King’s Buildings: 2.7MWe engine displaced old steam system + 2 new 7.5MW LTHW boilers serving high base load – 2004
3. George Square: 1.6MWe engine again replaced steam system – plus 75 tonne Heat Store and 600kW Absorption Chiller to even out load – 2005
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UK Energy Flows – 50% wasted
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Combined Heat and Power
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George Sq: Trigeneration
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George Square Energy Centre
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George Sq buildings now linked:
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First remove old steam boilers…First remove old steam boilers…
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1.6MWe Alternator bolts on
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High Efficiency, Low NOx BoilerHigh Efficiency, Low NOx Boiler
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75 cubic metre Thermal Store75 cubic metre Thermal Store
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• GE Jenbacher 612 Engine
12 cylinder Jenbacher Engine12 cylinder Jenbacher Engine
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600kW600kW Absorption ChillerAbsorption Chiller
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Thanks to our CHP Partners
• Energy Saving Trust – for funding support
• PB Power – for Scheme Design
• Crown House Technologies – Main Contractor
• Estates & Bldgs Works Div’n – implementation
• Clarke Energy – Jenbacher Maintenance
www.eso.ed.ac.uk
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Rankine Engineering Building
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Building Integrated PhotoVoltaics
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Why we have done this …?
• Save money long-term
• Invest in infrastructure
• Annual Carbon savings
• Leadership role
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…because there is only 1 planet