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Re: Home made Solar Panels

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  • priyankajohri1
    Thanks Jim.
    Message 1 of 7 , Mar 11, 2009
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      Thanks Jim.
      --- In hreg@yahoogroups.com, "Jim & Janet" <jhd1@...> wrote:
      >
      > Check SolarBuzz for a complete list of PV manufacturers around the world.
      > http://www.solarbuzz.com
      >
      > Jim
      >
      > ----- Original Message -----
      > From: priyankajohri1
      > To: hreg@yahoogroups.com
      > Sent: Tuesday, March 10, 2009 1:41 PM
      > Subject: [hreg] Re: Home made Solar Panels
      >
      >
      > Thanks Jim.
      > I will check out their websites for discounted panels. Any companies in India that you recommend?
      > regards
      > priyanka
      > fr--- In hreg@yahoogroups.com, "Jim & Janet" <jhd1@> wrote:
      > >
      > > Priyanka
      > > generally PV manufacturers will have a certain number of blemished modules as well as low/out of tolerance modules that they will sell at a discounted price. Usually though the blems are snatched up by distributors who can sell them to budget minded installers or DIYers who are interested only in power output and not the looks.
      > > As for the underperforming modules, I have never seen them advertised for sale. This may be an item they might remove their name from and sell at a bigger discount.
      > > I do know that PV mfgrs get many hundreds of requests for donated modules every month so are not likely to go that route without the recipient having a really good cause. It may start with a 501c3 status.
      > > Now the bigger distributors may have odd module lots left unsold, just 3 or 4 of a discontinued size f'rinstance. You might find some deals there if you look. Module mfgrs will list their major distributors on their www site.
      > > Good luck with the project.
      > > Jim
      > >
      > > ----- Original Message -----
      > > From: priyanka johri
      > > To: hreg@yahoogroups.com
      > > Sent: Friday, March 06, 2009 3:59 PM
      > > Subject: [hreg] Home made Solar Panels
      > >
      > >
      > > Thank you both for answering me.
      > > Jim as a professional I can see why you are squimish about some one building a panel at home. I understand your concern. I will do more reserch on this.
      > > Robert thanks for the encouragement. As you have done it yourself would you mind sharing with me and other people here where to start. Good books or websites that you can recommend. I have an animal sanctuary and I need to get the electricity for the shelter. Its a small building 12'X36'. And I need to runfew lights, couple of fans, window ac unit for summer and 4 small plug in heaters for winter. Oh and a small TV. Our older dogs like to relax on the sofa and watch TV to feel at home :).
      > > thanks
      > >
      > >
      > > Priyanka
      > > Priyanka Johri - 832-277-3577
      > > Pure Mutts Animal Sanctuary - www.PureMuttsAnimalSanctuary.com
      > > Virtual real Estate - www.GreenHomesEcoRealty.com
      > > Indus Valley Yoga - www.IndusValleyYoga.com
      > >
      > >
      > >
      > >
      > > EMAILING FOR THE GREATER GOOD
      > > Join me
      > >
      > >
      > >
      > > ----------------------------------------------------------
      > > Date: Wed, 4 Mar 2009 23:02:47 +0000
      > > From: hreg@yahoogroups.com
      > > To: hreg@yahoogroups.com
      > > Subject: [hreg] Digest Number 2200
      > >
      > >
      > > Houston Renewable Energy Group
      > > Messages In This Digest (1 Message)
      > > 1a.
      > > Re: home made solar panels are a bad idea. From: Robert Foster
      > > View All Topics | Create New Topic
      > > Message
      > > 1a.
      > > Re: home made solar panels are a bad idea.
      > > Posted by: "Robert Foster" rfoster@
      > > Wed Mar 4, 2009 3:17 am (PST)
      > > Hi Jim,
      > >
      > > Don't be so harsh on Priyank!. Building your own PV module is a great
      > > learning experience and I learned a lot building my own back in the
      > > '80's when I started in PV. Usually the same solar companies selling
      > > the quality factory built modules are the same ones selling their
      > > reject cells to do it youselfers and developing countries (e.g.,
      > > SuniSolar in Nicaragua uses landmine victims to build their own -
      > > it's a great program). You need to get on the suppliers case for
      > > selling reject cells.
      > >
      > > But yes, you will never be able to achieve the same quality as
      > > factory built and they cannot be used legally in commercial
      > > installations in the U.S.
      > >
      > > If the do it yourself modules are used at lower voltages (e.g. 12 V),
      > > they do not represent a danger. It's when they are used at higher
      > > voltages on grid-tied systems that problems arise like the example
      > > (although rare) that you cited.
      > >
      > > Take care,
      > >
      > > Robert Foster
      > >
      > > On Mar 2, 2009, at 8:52 PM, Jim & Janet wrote:
      > >
      > > > Priyanks
      > > > there is a reason that commercial solar PV modules are so
      > > > expensive, they are manufactured to meet very strict safety
      > > > standards. I have attached a picture, it will be scrubbed by the
      > > > HREG/yahoo site but it will go to you personally. You may want to
      > > > post it on the Yahoo HREG site for all to see.
      > > > It's a picture of some home made PV panels. The rain caused them to
      > > > short and catch fire. As you can see, the clear covering on the
      > > > modules melted; it's not even glass.
      > > > The jerk who wrote that book has sold hundreds, maybe thousands, of
      > > > copies and any number of people who have built their own are at
      > > > risk of fire, electric shock or, if they are lucky, finding the
      > > > modules just quit working.
      > > > The UL certification mean the device that carries the stamp has
      > > > been tested in drastic conditions of hot-cold, wet-dry, flexing and
      > > > any number of abusive conditions. Please don't waste your money on
      > > > the book. Besides any corporation, for profit or non, would be
      > > > taking a huge risk by not obeying local building and electrical
      > > > codes and installing those.
      > > > I'm not slamming you personally Priyanks, please don't take it that
      > > > way. I am just very worried about the proliferation of information
      > > > like this in a time that people are looking for ways to save money.
      > > >
      > > > thanks
      > > > Jim Duncan
      > > > North Texas Renewable Energy Inc
      > > > 817.917.0527
      > > > ntrei@
      > > > www.ntrei.com
      > > >
      > > >
      > > > ----- Original Message -----
      > > > From: priyanka johri
      > > > To: hreg@yahoogroups.com
      > > > Sent: Monday, March 02, 2009 4:42 PM
      > > > Subject: [hreg]
      > > >
      > > > Hi!
      > > >
      > > > Has anyone bought this book and build their own solar panel? I want
      > > > to install Solar Panels for the animal Sanctuary but can't afford
      > > > the gouing market rate. So I thought I will build one myself and
      > > > found this site and few reviews saying its a good detailed book.
      > > > What's your opinion? www.Green4Energy.com
      > > >
      > > > thanks
      > > >
      > > > Priyanka
      > > > Priyanka Johri - 832-277-3577
      > > > Pure Mutts Animal Sanctuary - www.PureMuttsAnimalSanctuary.com
      > > > Virtual real Estate - www.GreenHomesEcRealty.com
      > > > Indus Valley Yoga - www.IndusValleyYoga.com
      > > >
      > > >
      > > >
      > > >
      > > > EMAILING FOR THE GREATER GOOD
      > > > Join me
      > > >
      > > >
      > > >
      > > >
      > > > <Bad install III.jpg><Bad install II.jpg>
      > >
      > >
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