Re: conversion factors

[Ludwik Kowalski <kowalskil@MAIL.MONTCLAIR.EDU>]

In a private message Paul R. wrote:

> After the back-and-forth of the last set of messages
> concerning the post below, I would appreciate your
> reposting the message below with corrections to
> units and values and with caveats on the different
> definitions of "bbl".

Here it is, corrected. Thanks to those who helped.
Sorry for the two typing mistakes in my first message.

> Economists discussing energy-related
> issues often use commercial units. Below
> is a table of conversion factors given by
> H. Geller in his 2003 "Energy Revolution:
> Politics for a Sustainable Future"  book.
>
> 1 kwh (kilowatt-hour)=3.6*10^6 J = 3.6 MJ
>
> 1 QUAD (quadrillion BTUs)
>          = 1.05*10^18 J = 1.05 EJ (exa-joules)
>
> 1 TOE (ton of oil equivalent) = 4.19*10^10 J
>          =41.9 GJ
>
> 1 BBL (barrel of oil) = 6.1*10^9 J = 6.1 GJ
>
> 1 TCE (ton of coal equivalent) = 2.93*10^10 J
>          = 29.3 GJ
>
> A typical U.S. household consumes about
> 190 GJ of energy per year (including loses
> in electricity production and delivery).
>
> A typical U.S. car or light track consumes about
> 600 gallons of gasoline per year, equivalent to
> 79 GJ.
>
> A typical U.S. refrigirator, now in use,
> consumes about 3.24 GJ per year (900  kwh).
> A 60 W light bulb, used 4 hours per day,
> consumes 0.31 GJ per year (88 kwh).
>
> I hope somebody will find this summary useful.
> Ludwik Kowalski