From: "John Beamish" 

IIRC from my grade 10 physics/chem class:  change of state of matter from
gas-to-liquid or liquid-to-solid or the return route involves substantial
energy transfer.  Once the change of state occurs, the energy involved in
further transitions within the state is demonstrably less.

On Sun, 18 Feb 2007 04:34:18 -0500, Don Hills
 wrote:

>
> So it looks like a significant part of the energy consumption is at the
> blast
> freezing stage for frozen storage. It would make sense to do that "off
> peak",
> except that again you run into problems with inefficient utilisation of
> plant.
>

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