Last reviewed on February 25, 2013 at 15:53

Documentation of California's Greenhouse Gas Inventory (5th Edition - Last updated on 02/19/2013)

♦ 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 - Natural gas

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 2000 —

● Greenhouse gas emission estimate —

Amount: 30,180,333 tonnes of CO2 Emitted (30,180,333 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 = 557,689,520,000 scf of Natural gas
Basis: Data
Reference: Schnapp, R. (2008). Personal communication (data submittal) between Larry Hunsaker of CA Air Resources Board and Robert Schnapp of the Energy Information Administration. Summer 2008.

● Parameters and Constants used in calculations —

Parameter: Fuel CO2 emission = 0.053 g / btu
Reference: USEPA (2012). Mandatory Reporting of Greenhouse Gas Regulation http://www.epa.gov/ghgreporting/
Parameter: Heat content = 1,021 btu / scf
Reference: Schnapp, R. (2008). Personal communication (data submittal) between Larry Hunsaker of CA Air Resources Board and Robert Schnapp of the Energy Information Administration. Summer 2008.

● Greenhouse gas emitted per unit activity —

Amount: 54.1 g of CO2 per scf of Natural gas
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