Last reviewed on November 2, 2011 at 10:04

Documentation of California's Greenhouse Gas Inventory (First Edition - Last updated on 11/19/2007)

♦ 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 - Biomass

♦ Greenhouse gas: Carbon dioxide from biogenic sources ( CO2 )

► Year 1990 —

● Greenhouse gas emission estimate —

Amount: 4,475,876 tonnes of CO2 From biogenic materials (4,475,876 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CO2 emission]
Reference: Murtishaw, S., De La Rue du Can, S,. Price, L., Masanet, E., and Simcich, M. (2005). CALEB: California Energy Balance Database, September 12, 2005. Lawrence Berkeley National Laboratory, Berkeley, CA.

● Activity level used in calculations —

Activity: Fuel combustion = 3,103,148 ton of Biomass
Basis: Data
Reference: Schnapp, R. (2007) Personal communication (data submittal) between Larry Hunsaker of CA Air Resources Board and Robert Schnapp of the Energy Information Administration. Summer 2007.

● Parameters and Constants used in calculations —

Parameter: Fuel CO2 emission = 0.0938 g / btu
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Annex 2.1 (Tables A-31, A-32, A-35, and A-36). April 15, 2007. Washington DC.
Parameter: Heat content = 15,377,040 btu / ton
Reference: USEPA (2004). Climate Leaders Greenhouse Gas Inventory Protocol, Core Module Guidance. Direct Emissions from Stationary Combustion Sources. US Environmental Protection Agency, October 2004. (Tables B-1 and B-2).

● Greenhouse gas from biogenic materials per unit activity —

Amount: 1,442,366 g (i.e. 1.44 tonnes) of CO2 per ton of Biomass