Re: Re: High street solar panels on sale

[Mal Lansell <mal@xxxxxxxxxxx>]

Right, but that's in the future.  My point was that current
technologies
are not the green panacea that they claim to be.  Solar heating may be
effective, but solar panels for electricity generation are not.

Mal



John Andrews wrote:

> Wait, they are doing some fantastic things with nano tech and solar
panels
> at the moment.
>
> As you know standard panels return about 11% efficiency, with the
> nanotech,
> the panels can be painted onto a surface but they only return about 3%
at
> the moment.
>
> http://www7.nationalgeographic.com/ngm/0606/feature4/
> <http://www7.nationalgeographic.com/ngm/0606/feature4/>
>
> _____
>
> From: ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>
> [mailto:ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>]
On
> Behalf Of
> Mal Lansell
> Sent: 03 August 2006 17:35
> To: ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>
> Subject: [ukha_d] Re: High street solar panels on sale
>
> --- In ukha_d@yahoogroups. <mailto:ukha_d%40yahoogroups.com>
com,
> mailinglists <mailinglists@...> wrote:
> >
> > I'm all for green tech, but with a payback time of 106+ years,
it's a
> > bit difficult to justify...
> >
> > Elecy prices will have to keep going up even faster than they are
> now to
> > make it worthwhile...
> >
> >
>
> But are they even green? IIRC, the manufacture of photovoltaic panels
> uses more energy than they would be likely to generate over their
> expected lifetime.
>
> Not forgeting all the work required to generate £1000 to spend on
them!
>
> Mal
>
> [Non-text portions of this message have been removed]
>
>