U.S. Primary Energy Flow by Source and Sector, 2009

primary_consumption09-large.jpg (51 KB)

Source: U.S. Energy Information Administration, Annual Energy Review 2009

A BTU is the amount of energy required to raise 1 pound of water 1 degree Fahrenheit. Water weighs 8.34 lbs/gal, therefore, 8.34 BTU’s are required to raise 1 gallon of water 1 degree F.

Quadrillion = 10^15 (One million billion…)

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    2 Responses to U.S. Primary Energy Flow by Source and Sector, 2009

    1. We need to use nuclear power more!


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