> high power
> guzzlers such as cookers and possibly refrigerators

Definitely refrigerators - Although this is'nt written in stone
anywhere. The difference between state of the art & general
practice in domestic refrigeration is impressive, & energy
intensive.

Jack

On 3/31/08, Apptech <apptech@paradise.net.nz> wrote:
> > I firmly believe, that we should be looking at micro
> > generation
> > alongside other energy saving techniques.
>
> We do mini generation when needed.
> I was at a seaside location a few years ago and found what
> looked like a long shipping container sitting by roadside
> sand dunes. It had some seriously heavy duty connections to
> local distribution lines - probably at 33 kV. Some
> inspection showed it to be a gas turbine unitised power
> station used I think to meet summer demand in the area.
> Photos somewhere.
>
> > Therefore rather than baseline grid connected PV
> > installations we
> > should actually be looking at either street distributed
> > power power
> > generation or household generation.  I haven't analysed
> > the figures,
> > but I would think many households would eb able to run all
> > lighting
> > (with low power bulbs or LEDS), many light power users -
> > such as
> > radios, even newer LCD sets (where's SED when you wan
> > tit?), most
> > rechargers for phones, toothbrush etc. This just leaves
> > high power
> > guzzlers such as cookers and possibly refrigerators, to be
> > fed by grid
> > connected energy.
>
> I'd suggest that it's the sbsolute powerc % that you can
> prodcue locally that matters, regardless of what it's used
> for.
>
> In the UK they are in the throes of implementing an
> interesting home cogeneration system made possible by
> aberrations of energy pricing and utility ownership. Homes
> are being fitted with NZ supplied Stirling cogeneration
> units that produce about 800 Watts AC and ?4 kW heat. The
> heat is used as a boiler replacement / assist and power is
> used either in house OR on the local neighborhood as
> appropriate. The Stirling units, even in the volumes being
> proposed, are very expensive. $US5000-$US10000 range I
> think. This works (or may) because the same German company
> owns both gas and power distribution companies AND the North
> Sea Gas sourced gas is much cheaper per kWh than the
> electricity. So cogenerating the power at source produces
> energy from gas that is 'worth" much more than the gas is. A
> win-win all round for NZ :-).
>
>
>         Russell
>
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