Last reviewed on 12-01-2023

Documentation of California's Greenhouse Gas Inventory (2023 Edition - Last updated on 12-1-2023)

♦ Category: Energy

IPCC: 1A1ai - Fuel Combustion Activities - Energy Industries - Main Activity Electricity and Heat Production - Electricity Generation
Sector: Electricity Generation (In State) : Merchant Owned

♦ Activity: Fuel combustion - MSW

♦ Greenhouse gas: Methane ( CH4 )

► Year 2001 —

● Greenhouse gas emission estimate —

Amount: 258.57 tonnes of CH4 Emitted (6,464 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CH4 emission]
Reference: IPCC (2006). 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme, Eggleston H.S., Buendia L., Miwa K., Ngara T., and Tanabe K. (eds). Volume 2, Chapter 2: Stationary Combustion. Published: IGES, Japan. http://www.ipcc-nggip.iges.or.jp/public/2006gl/pdf/2_Volume2/V2_2_Ch2_Stationary_Combustion.pdf

● Activity level used in calculations —

Activity: Fuel combustion = 851,163 ton of MSW
Basis: Data
Reference: EIA (2013). Energy Information Administration. Form EIA-906/920/923: Monthly Utility Power Plant Database. Accessed online at: https://www.eia.gov/electricity/data/eia923/#https://www.eia.gov/electricity/data/eia923/

● Parameters and Constants used in calculations —

Parameter: CH4 emission factor = 3.200E-05 g / btu
Reference: CARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (§§98.30 to 98.38). Available online at: https://www.arb.ca.gov/cc/reporting/ghg-rep/regulation/subpart_c_rule_part98.pdf
Parameter: Heat content = 9,493,381 btu / ton
Reference: EIA (2013). Energy Information Administration. Form EIA-906/920/923: Monthly Utility Power Plant Database. Accessed online at: https://www.eia.gov/electricity/data/eia923/#https://www.eia.gov/electricity/data/eia923/
Constant: Global warming potential of CH4 = 25
Reference: IPCC (2007). Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Solomon S., Qin D., Manning M., Chen Z., Marquis M., Averyt K.B., Tignor M., and Miller H.L. (eds.). http://www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_synthesis_report.htm

● Greenhouse gas emitted per unit activity (derived from values listed above) —

Amount: 304 g of CH4 per ton of MSW
7,595 g (i.e. 7.59 kg) of CO2eq. per ton of MSW