Conversion Factors - Environmental Impacts of Renewable Energy - page 443

TABLE A1.1 (continued)
Heat Contents

Approximate
Heat Content Fuel Units

Petrochemical feedstocks a Million Btu per barrel 5.114

Unfinished oils Million Btu per barrel 6.039

Imports a Million Btu per barrel 5.580

Exports a Million Btu per barrel 5.619

Ethanol Million Btu per barrel 3.580

Biodiesel Million Btu per barrel 5.359

Natural gas plant liquids
Production a Million Btu per barrel 3.566

Natural gas a
Production, dry Btu per cubic foot 1.022

Consumption Btu per cubic foot 1.022

End-use sectors Btu per cubic foot 1.023

Electric power sector Btu per cubic foot 1.021

Imports Btu per cubic foot 1.025

Exports Btu per cubic foot 1.009

Electricity consumption Btu per kilowatt-hour 3412

Sources: EIA, Annual Energy Review 2011 , DOE/EIA-0384(2011), U.S.
Energy Information Administration, Washington, DC, 2012; EIA,
AEO2013 National Energy Modeling System , run REF2013.
D102312A, U.S. Energy Information Administration, Washington,
DC, 2013.
a The conversion factor varies from year to year; the value shown is for 2011.