Last reviewed on February 25, 2013 at 15:57

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

♦ Category: Energy

IPCC: 1A4a - Fuel Combustion Activities - Other Sectors - Commercial/Institutional
Sector: Commercial : Communication : Other Message Communications

♦ Activity: Fuel combustion - Natural gas

♦ Greenhouse gas: Nitrous oxide ( N2O )

► Year 2000 —

● Greenhouse gas emission estimate —

Amount: 0.262 tonne of N2O Emitted (81.26 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel N2O 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 = 2,741,103,636 scf of Natural gas
Basis: Data
Reference: Gough, A. (2011). Personal communication (data from the CEC's Quarterly Fuels and Energy Report) between Larry Hunsaker of the CA Air Resources Board and Andrea Gough of the California Energy Commission. June 2011.

● Parameters and Constants used in calculations —

Parameter: Fuel N2O emission = 1.000E-07 g / btu
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
Parameter: Heat content = 956 btu / scf
Reference: EIA (2011). Energy Information Administration. State Energy Consumption, Price, and Expenditure Estimates (SEDS). Available online at: http://www.eia.gov/beta/state/seds/?sid=CA
Constant: Global warming potential of N2O = 310
Reference: IPCC (1996). Second Assessment Report. Climate Change 1995: WG I - The Science of Climate Change. Intergovernmental Panel on Climate Change; J.T. Houghton, L.G. Meira Filho, B.A. Callander, N. Harris, A. Kattenberg, and K. Maskell (eds.); Cambridge University Press. Cambridge, U.K.

● Greenhouse gas emitted per unit activity —

Amount: 9.563E-05 g of N2O per scf of Natural gas
0.0296 g of CO2eq. per scf of Natural gas
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