U.S. Energy Information Admmoinstration (EIA) now has the 2008 Annual Energy Review (AER) on their website. It contains Sankey diagrams for the nation’s overall energy flows (almost a “classic”) and four additional separate Sankey diagrams for petroleum, natural gas, coal and electricity.

This is the U.S. Energy Flow diagram for 2008:

Check the original PDF file with the accompanying footnotes for further details. Overall energy consumption in 2008 was 99 Quadrillion BTUs (preliminary value, slightly down from the 101 Quadrillion BTUs in 2007.

Among the other diagrams in the report, I chose to show the one for coal. 1121 mio. short tons have been consumed in the U.S. in 2008, mainly (1041 mio short tons) for electric power generation. The U.S. is a net coal exporter.

The diagram has a weird sinking downward feeling, caused by the fact that the main left-to-right orientation axis is not maintained. Looking at this it makes me want to shout out: “Hey coal Sankey, cheer up, life isn’t that black…!” ;)

The original full AER report (7.5 MB) can be found here.

3 Responses to “United States Annual Energy Review 2008”

  1. St├ęphane Says:

    What is interesting is that, in the United States, no energy is lost! Every joule that gets in is finally used. Isn’t that magic?

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