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2017 GHG Emissions Inventory Pleasanton Climate Action Plan Update 13 3 2017 GHG Emissions Inventory The methodologies, data sources, calculations, and results associated with the Pleasanton community- wide 2017 GHG emissions inventory update are included in this section. The 2017 Pleasanton GHG emissions inventory serves as the inventory to inform development of future GHG emissions forecasts that will assist the City in setting GHG emissions targets that are consistent with State-level goals and the Pleasanton General Plan 2005-2025. In 2017, Pleasanton GHG emissions were estimated to be 588,553 metric tons (MT) of carbon dioxide equivalent (CO2e). Data was originally gathered by EBEW and then reviewed and updated by Rincon for consistency with the latest methodology available in the Community Protocol33 and California Supplement34. The updated 2005 GHG Inventory corrected a few typological errors in the water and wastewater inventory sectors and removed the Bay Area Rapid Transit (BART) emissions, because the City of Pleasanton does not have direct control over BART and is unable to reduce these emissions and because BART data was not available for the subsequent inventories. Information regarding updates to the original EBEW 2005, 2010, 2015, and 2017 inventories is included in Section 2.3, and information relating to the emissions forecast are located in Section 4 of this technical appendix. The 2017 GHG inventory is structured based on emissions sectors. The ICLEI Community Protocol recommends local governments examine their emissions in the context of the sector responsible for those emissions. Many local governments will find a sector-based analysis more directly relevant to policy making and project management, as it assists in formulating sector-specific reduction measures for climate action planning. The reporting sectors are made up of multiple subsectors to allow for easier identification of sources and targeting of reduction policies. The 2017 inventory reports all Basic Emissions Generating Activities35 required by the Community Protocol36 by the following main sectors: ▪ Energy (electricity and natural gas) ▪ Transportation ▪ Water and Wastewater ▪ Solid Waste The data used to complete this inventory and forecast came from multiple sources, as summarized in Table 6. Data for the 2017 inventory calculations were provided by the City via personal communication with Megan Campbell, Associate Planner. 33 ICLEI. 2012. Community Protocol for Accounting and Reporting of Greenhouse Gas Emissions. Available: <https://icleiusa.org/publications/us-community-protocol/>. Accessed: April 14, 2020. 34 Association of Environmental Professionals. 2013. The California Supplement to the United States Communitywide GHG Protocol. Available: <https://califaep.org/docs/California_Supplement_to_the_National_Protocol.pdf>. Accessed: April 14, 2020. 35 Required emissions generating activities include use of electricity by the community, use of fuel in residential and commercial stationary combustion equipment, on-road passenger and freight motor vehicle travel, use of energy in potable water and wastewater treatment and distribution, and generation of solid waste by the community. 36 ICLEI. 2012. Community Protocol for Accounting and Reporting of Greenhouse Gas Emissions. Section 2.2.