1. Practical Measures to Tackle Climate Chaos David Somervell, Energy & Sustainability Manager University of Edinburgh – Estates & Buildings Department 13 Infirmary Street, Edinburgh EH1 1LT Tel 0131 650 2073 http://www.eso.ed.ac.uk David.Somervell@ed.ac.uk

2. 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

7. By 2050 we must cut CO 2 emissions by 7 GtC with a 1.3 GtC cut by 2025, against projectedBusiness as Usual. 1990 550 ppm 450 ppm 6 - 5 - 4 - 3 - 2 - 1 - °C Global Carbon Emissions, GtC WRE 1000 (IPCC) WRE 550 (IPCC) WRE 450 (IPCC) 1000 ppm 2100 range Further rises to 2300 205020402030202020102000 6 8 10 4 12 14 16 2 200020102020203020402050 9 11 13 7 Global Carbon Emissions, GtC 2025 1.3 GtC reduction Facts & Trends IPCC Scenarios 2050 6-7 GtC reduction Facts & Trends 9 GtC world BAU Pathways to 2050 Projections & Required Reductions

16. 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]

17. Whats needed? 1.Interested, Enthusiastic People 2.Senior Management Support 3.Allocation of Resources (Money) PLUS … Some Measure of Luck / Timing!

19. Edinburgh: University in the City … invested £12million in Decentralised Energy / CHP 2002-2005 Pollock Halls 526kWe CHP Kings Bldgs 2.7MWe CHP George Sq 1.6MWe CHP

20. Edinburghs 3 CHP Projects 1.Pollock Halls: 526kWe engine serving student residences as lead boiler – 2003 2.The Kings 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

21. UK Energy Flows – 50% wasted

22. Combined Heat and Power

23. George Sq: Trigeneration

24. George Square Energy Centre

25. George Sq buildings now linked:

26. First remove old steam boilers…

27. 1.6MWe Alternator bolts on

28. High Efficiency, Low NOx Boiler

29. 75 cubic metre Thermal Store

30. GE Jenbacher 612 Engine 12 cylinder Jenbacher Engine

31. 600kW Absorption Chiller

32. Thanks to our CHP Partners Energy Saving Trust – for funding support PB Power – for Scheme Design Crown House Technologies – Main Contractor Estates & Bldgs Works Divn – implementation Clarke Energy – Jenbacher Maintenance www.eso.ed.ac.uk

33. Rankine Engineering Building

34. Building Integrated PhotoVoltaics

35. Why we have done this …? Save money long-term Invest in infrastructure Annual Carbon savings Leadership role

36. …because there is only 1 planet