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Last reviewed on November 2, 2011 at 10:05

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

♦ Category: Energy

IPCC: 1B3 - Fugitive Emissions from Fuels - Other Emissions from Energy Production
Sector: Electricity Generation (In State) : Merchant Owned

♦ Activity: Geothermal power - Geothermal

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 1990 —

● Greenhouse gas emission estimate —

Amount: 967,677 tonnes of CO2 Emitted (967,677 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Geothermal power] * [Geothermal CO2 emission]
Reference: ARB (2009). Technical Support Document for California’s Greenhouse Gas Emissions Inventory and 1990 Emissions Level. California Air Resources Board. (March 2009). Available online at: http://www.arb.ca.gov/cc/inventory/doc/methods_v1/ghg_inventory_technical_support_document.pdf

● Activity level used in calculations —

Activity: Geothermal power = 128,513,684,000,000 btu of Geothermal
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: Geothermal CO2 emission = 7.530E-03 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. http://www.epa.gov/climatechange/emissions/usgginv_archive.html

● Greenhouse gas emitted per unit activity —

Amount: 7.530E-03 g of CO2 per btu of Geothermal