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Thread: no increase in energy, just increase in cost - gregor

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    Default no increase in energy, just increase in cost - gregor

    The Decline of Available Energy to Society
    by Gregor Macdonald

    Over the New Year’s Day weekend The Oil Drum put out a call to its community of analysts for chart submissions. What’s been created there over the past 72 hours is a kind of museum of data covering population, energy, growth, and the economy. Do check out the post, Chart of the Year, which is still expanding. Amongst all the various entries, I found this following nugget from a paper by Alan Dechert:

    Quantification of the decline of available energy, which results from the increased cost of energy extraction, is difficult. Instead of trying to quantify EROEI (energy return on energy invested) Dechert uses the proxy of inflation-adjusted dollars to obtain his result. I think the answer is valuable, and his graphic here is a more complete look at energy expenditures in the US than my own chart from late last year. What I like about the Dechert chart is that he tracks BTU consumption and shows that this levels off as the cost of that consumption soars. This may appear obvious, but the decline of energy available to society–the energy available after one has spent energy to obtain it–has a forceful and direct impact on the economy. What’s anomalous is that in our age of trailing fossil fuel wealth, we simply don’t recognize the transition. In Dechert’s chart, however, you can very clearly see that we have crossed a threshold.
    Last edited by jk; 01-03-11 at 10:38 PM.

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