PV panel raw materials? [RE-wrenches]

Thu Jan 20 18:59:56 PST 2005

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Hi Bob,

My understanding is that the low iron glass is only in short supply
because the market is so small. PV uses something like one day of glass
production in the US, and so getting enough made, without stockpiling
the entire year, is difficult. (Who wants to make a product in a half
day run?) I think the PV quality silicon is the biggest issue.  Can't
wait for those spray on PV cells!

Jeff Wolfe

-----Original Message-----
From: Bob Maynard, Energy Outfitters [mailto:bob at energyoutfitters.com] 
Sent: Wednesday, January 19, 2005 11:43 AM
To: RE-wrenches at topica.com
Subject: RE: PV panel raw materials? [RE-wrenches]

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Daryl,

The silicon plant you're thinking of is in Moses Lake, WA.  I heard at
last weeks OSEIA meeting that they have sold out everything they can
produce for the next 5 years!

In addition to silicon being in short supply, of all things, Tedlar is
too!  Dupont can't spool up fast enough to meet demand.  I spoke with a
PV manufacturer a couple of weeks ago that is now substituting polyester
for tedlar.  The polyester is supposedly better but also more money.
There's another nickel per watt!

I've also heard low iron glass is in short supply but have not been able
to confirm it.

My guess is if the global demand for pv keeps increasing at the present
rates, it may take a couple of years for everyone to spool up.

Best Regards,
Bob Maynard

-----Original Message-----
From: Darryl Thayer [mailto:daryl_solar at yahoo.com]
Sent: Wednesday, January 19, 2005 5:55 AM
To: RE-wrenches at topica.com
Subject: Re: PV panel raw materials? [RE-wrenches]

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I heard that one plant was in the Oregon, Washington Area. The raw
material is silica sand that nature purified, and then we purifiy even
further and then grow crystals.  

Darryl

--- "Dean T. Newberry" <deant at dcn.org> wrote:

> Hi Jay,
> I too would like more information.
> As best I understand it, I have no actual source data, there are six 
> silicon refineries in the world, with 1 or 2 coming on line this year.
> Earlier this year there was a rapid expansion of both the 
> semiconductor and solar PV markets, which led to a supply problem.
> That supply problem is supposed to ease this year, but information is 
> difficult to come by.
> I recall tripping over a silicon trading marketplace on the web last 
> year, but cannot find a current reference for that.
> 
> Does anyone else have better information on this subject??
> 
> cul deant
> 
> Jay Peltz, Peltz Power wrote:
> 
> >I'm wondering where does the raw material for PV
> cells actually come from?
> >
> >I've heard that the lack of raw materials is the
> hold up to major PV
> >production expansion.
> >
> >Anybody care to comment on this?
> >
> >thanks
> >
> >jay
> >
> >peltz power

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