2017 GHG Inventory
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University of Pittsburgh Department of Civil and Environmental Engineering FINAL REPORT Greenhouse Gas Inventory of University of Pittsburgh for FY 2017 May 29, 2018 By Dr. Melissa M. Bilec Associate Professor Haley Gardner Graduate Student Researcher TABLE OF CONTENTS List of Figures ......................................................................................................................................... 3 List of Tables .......................................................................................................................................... 3 Preface .................................................................................................................................................... 4 Executive Summary ................................................................................................................................. 5 1 Introduction ..................................................................................................................................... 8 2 Sustainability indicator management and analysis platform (SIMAP) ............................................... 8 3 Boundaries of the Inventory .............................................................................................................. 9 3.1 Organizational Boundaries .............................................................................................................. 9 3.2 Operational Boundaries ................................................................................................................ 11 3.3 Temporal Boundaries ................................................................................................................... 11 4 Emissions ....................................................................................................................................... 11 4.1 Scope 1 Emissions ........................................................................................................................ 12 4.1.1 Stationary combustion .......................................................................................................... 12 4.1.2 University Fleet .................................................................................................................... 13 4.1.3 Refrigerants .......................................................................................................................... 14 4.1.4 Agricultural activities............................................................................................................ 15 4.2 Scope 2 Emissions .................................................................................................................. 16 4.2.1 Purchased Electricity ............................................................................................................. 16 4.2.2 Purchased steam and chilled water ......................................................................................... 17 4.3 Scope 3 Emissions .................................................................................................................. 18 4.3.1 Directly Financed Outsourced Travel ................................................................................... 18 4.3.2 Study Abroad AIR Travel ...................................................................................................... 19 4.3.3 Commuter travel ................................................................................................................... 19 4.3.4 Solid Waste .......................................................................................................................... 22 4.3.5 Wastewater ........................................................................................................................... 22 4.3.6 Paper ..................................................................................................................................... 23 5 Discussion of Results...................................................................................................................... 23 5.1 Comparison of Results with Peer Institutions ................................................................................ 27 6 Recommendations for Future GHG Inventory Studies .................................................................... 27 7 Conclusions ................................................................................................................................... 29 Acronyms .............................................................................................................................................. 30 Appendix A ........................................................................................................................................... 31 2 Appendix B ........................................................................................................................................... 32 Appendix C ........................................................................................................................................... 33 References ............................................................................................................................................. 36 List of Figures Figure 1 – GHG Emission Source Distributions for Fiscal Years 08, 11, 14, and 17 ................................. 6 Figure 2 – Steam Consumption and Related Emissions for Fiscal Years 08, 11, 14, and 17 .................... 12 Figure 3 – Fuel Mix Summary and Comparison ..................................................................................... 16 Figure 4 – Distribution of Pitt's FY17 GHG Results ............................................................................... 24 List of Tables Table 1 – Summary and Comparison of University of Pittsburgh GHG Emissions for FY 08,11,14, 17 .... 7 Table 2 – List of Changes in Building Stock between FY14 and FY17 ................................................... 10 Table 3 Campus Buildings with LEED Certification .............................................................................. 10 Table 4 – Population Numbers from FY08 to FY17 ............................................................................... 11 Table 5 – Summary of Stationary Combustion Data ............................................................................... 13 Table 6 – Summary of University Fleet Data.......................................................................................... 14 Table 7 – Summary of Refrigerant Data ................................................................................................. 15 Table 8 – Summary of Agricultural Data................................................................................................ 15 Table 9 - Summary of Heating Degree Days for Fiscal Years 08,11,14, and 17 ...................................... 17 Table 10 – Summary of Electricity Data ................................................................................................ 17 Table 11 eGrid and Custom Fuel Mix Emission Factors ......................................................................... 17 Table 12 – Summary of Purchased Steam .............................................................................................. 18 Table 13 – Summary of Directly Financed Outsourced Travel................................................................ 19 Table 14 – Summary of Study Abroad Travel ........................................................................................ 19 Table 15 – Summary of Commuting Facts ............................................................................................. 20 Table 16 – Summary of Calculated Commuting Distributions ................................................................ 21 Table 17 – Summary of Commuting ...................................................................................................... 22 Table 18 – Summary of Solid Waste ...................................................................................................... 22 Table 19 – Summary of Wastewater ...................................................................................................... 22 Table 20 – Summary of Paper Consumption and Emissions ................................................................... 23 Table 21 - All Accountable Emissions per Student, Community Member, and Building GSF ................ 23 Table 22 – Summary of Pitt’s GHG Emissions for Fiscal Year 2017 ...................................................... 25 Table 23 - Comparative Results of Higher Education Institutions used for Peer Group Benchmarking .... 27 Table 24 - List of Contacts and Information Received ............................................................................ 31 Table 25 - Total Building List for FY17 ................................................................................................. 32 Table 26 - Summary of Pitt’s GHG Emissions for Fiscal Year 2014 ....................................................... 33 Table 27 - Summary of Pitt’s GHG Emissions for Fiscal Year 2011 ....................................................... 34 Table 28 - Summary of Pitt's GHG Emissions for Fiscal Year 2008……………………………………..35 3 Preface This report presents the greenhouse gas inventory results for University of Pittsburgh (Pitt) for FY 2017. The authors acknowledge the contribution of Rich Heller from Facilities Management Department of