Last reviewed on 12-01-2023

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

♦ Category: Energy

IPCC: 1A1aii - Fuel Combustion Activities - Energy Industries - Main Activity Electricity and Heat Production - Combined Heat and Power Generation (CHP)
Sector: Industrial : CHP: Industrial : Useful Thermal Output

♦ Activity: Fuel combustion - Refinery gas

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 2006 —

● Greenhouse gas emission estimate —

Amount: 961,244 tonnes of CO2 Emitted (961,244 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CO2 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 = 14,410,525,840 scf of Refinery gas
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: Biogenic fraction = 0
Reference: Hahn, J. (2007). Data request (source test data) between CARB and Jeffrey Hahn, Environmental director of Covanta Energy.
Parameter: CO2 emission factor = 0.059 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 = 1,131 btu / scf
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/

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

Amount: 66.7 g of CO2 per scf of Refinery gas