Last reviewed on 10-02-2020

Documentation of California's Greenhouse Gas Inventory (13th Edition - Last updated on 10-15-2020)

♦ Category: Energy

IPCC: 1A2f - Fuel Combustion Activities - Manufacturing Industries and Construction - Non-Metallic Minerals
Sector: Industrial : Manufacturing : Stone, Clay, Glass & Cement : Cement

♦ Activity: Fuel combustion - Natural gas

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 2018 —

● Greenhouse gas emission estimate —

Amount: 202,676 tonnes of CO2 Emitted (202,676 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#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 = 3,774,629,836 scf of Natural gas
Basis: Data
Reference: ARB (2019). Summary of 2008 to 2018 data from California's Greenhouse Gas Mandatory Reporting Program. Reported emissions are available at: #https://ww2.arb.ca.gov/our-work/programs/mandatory-greenhouse-gas-emissions-reporting

● Parameters and Constants used in calculations —

Parameter: Fuel CO2 emission = 0.0527 g / btu
Reference: USEPA (2012). Mandatory Reporting of Greenhouse Gas Regulation #http://www.epa.gov/ghgreporting/
Parameter: Heat content = 1,019 btu / scf
Reference: USEPA (2012). Mandatory Reporting of Greenhouse Gas Regulation #http://www.epa.gov/ghgreporting/

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

Amount: 53.7 g of CO2 per scf of Natural gas