> cost of electricity for them is around $US0.01 per unit although the
actual
> charge is a commercial secret. As well it may be when we pay 5 to 7 times
as
> much. (We do on average of course use rather less than the smelter and our
> load curve is not quite as flat :-) ).

AND domestic electricity consumption requires an extensive
infrastructure (the lines, the switching equipment, the
sub-stations, the local distribution transformers, the
power-factor correction 'poles') for distribution and that
requires a maintanance division, then there is the billing
system and the customer support operations, the distribution-
system engineering and planning folks ...

RF Jim

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