duke university ghg update/cap progress report
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Facilities and Environment Committee
Duke University GHG Update/CAP Progress
ReportMay 13, 2011
Facilities and Environment Committee
President’s Climate Commitment, Climate Action Plan and Greenhouse Gas Inventory Update
Sustainability
Facilities and Environment Committee
2010 GHG Inventory Update
• GHG Inventory– Total Duke broken down into
• University = University/School of Med./School of Nursing
• Health System contiguous to Durham campus
• CAP target – carbon neutral by 2024– Only applies to University– Did not include Health System in CAP target
Facilities and Environment Committee
2010 GHG Update
2007 levels = 445,561
2008 levels = 448,754
Baseline
0.7%
2009 levels = 419,706
2010 levels = 406,109
↓5.8%
↓8.9%
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 20100
50,000
100,000
150,000
200,000
250,000
300,000
350,000
400,000
450,000
500,000
Total Health System University
MTC
O2e
Facilities and Environment Committee
2010 GHG Update - University
2007 Baseline 2008 = 0% 2009 = ↓5% 2010 = ↓9%
~30,000 MTeCO2 reduced = 5240 cars removed from the road for year 3.75 more Duke Forests
2007 2008 2009 2010200,000
220,000
240,000
260,000
280,000
300,000
320,000
340,000
360,000
380,000
400,000
338,828 338,883
322,355
308,310
MT
CO
2e
Facilities and Environment Committee
• Trends– Campus electricity use going down– Duke Energy emissions factors lower than
originally projected – Reduction of coal in steam production – People driving further for their commute but using
more alternatives
2010 GHG Update - University
Facilities and Environment Committee
Duke Energy Carbon Intensity2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
0.00
0.10
0.20
0.30
0.40
0.50
0.60
Included in CAP Projections
2010 Revised Projections
To
ns/M
WH
Coal 46.68%
Nuclear 51.20%
Hydro 1.40%Oil & Gas 0.71%Renewables 0.01%
2010 Duke Energy Fuel Mix
Facilities and Environment Committee
Compared to CAP projections - University
• University emissions are going down since 2008 – 12% below BAU projections in 2010, Little higher than CAP target ~ 2%
2007 2008 2009 2010 250,000
270,000
290,000
310,000
330,000
350,000
370,000
390,000
2010 Actuals BAU CAP
MT
CO
2e
9% below 2007 baseline12.5% below Business as Usual
Facilities and Environment Committee
Projections Compared to CAP - University
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 150,000
200,000
250,000
300,000
350,000
400,000
308,310
352,245
300,555
2010 Actuals BAU CAP
MT
CO
2e
Linear Projection to 2024
Facilities and Environment Committee
GHG/CAP Update Summary• Emissions moving in the right direction• Economic conditions have helped this trend• 2010 data does not reflect full implementation of initial CAP
recommendations• East campus steam plant • LEED + policy• Energy conservation • Transportation demand management efforts
• Duke Energy is still large unknown• Thinking about how to best revise CAP projections based on updated
information and still be able to measure progress
Facilities and Environment Committee
Next Steps
• Additional GHG Inventory analysis– Review projected vs. actual financial impact– Further detailed analysis of specific measures and
impact– Develop schedule for reviewing/revising CAP projections
• Sustainability Strategic Plan– Building on CAP - Food, recycling/waste, green
purchasing, water, land use– CSC focus next year on developing targets
• Offsets
Facilities and Environment Committee
CARBON OFFSETS - First Offsets Project Operational May 2011: Duke University-Duke Energy Swine Waste-to-Energy Partnership
•Yadkin County system will capture methane and generate electricity on the order of ~5,000 CO2e tons and ~500,000 kWh (~500 MWh) of electricity annually; represents ~2.7% of Duke’s annual offsets needs•System meets stringent environmental performance standards to substantially eliminate nutrients, ammonia, pathogens, odors and metals and stop discharge of waste to surface and groundwater•Offsets Initiative seeing interest in replicating system; project considered model pilot by federal and state leaders
Digester prior to cover installation (April 13, 2011)
Jet Aeration System for Nitrogen Treatment (April 13, 2011)
Facilities and Environment Committee
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