GreenVolts CarouSol debuts at Solar Power International 2008

[San Diego, California USA]

Can’t Photo (Touch) This!

As suggested in my Solar Power International 2008 Preview post, GreenVolts, Inc., did indeed display a CarouSol unit for the first time, and a sparse CarouSol datasheet is also available.

On Tuesday, October 14, 2008, right after the Expo opened at 10AM, I headed straight to the GreenVolts stand to check out their exhibit. I was not disappointed to see a crowd gawking at a complete GreenVolts CarouSol unit. Up close, my first photo was of the receiver unit. Perhaps because this was seen as aggressive, I was directed by a GreenVolts representative to not take photos! Even though I pointed out I was official, accredited Press, I got a nonsensical statement about the official Solar Power Expo photo policy. Referring to the Media Kit, I pointed out there was no such rule to waning attention. Please see Solar Power: Photos of GreenVolts, Sopogy, SkyFuel by Katie Fehrenbacher for another mention of this.

My official photo policy is to get the damn photos or videos. In addition to the Picasa slideshow above, here are two very unofficial videos of the CarouSol. I apologize in advance to anyone who did not realize they were being recorded. Please note this unit was static and the two-axis tracking function was not demonstated.

Perhaps the concern was regarding close up photos of the CarouSol underside like those in my second visit slideshow?

I didn’t even think to look under the unit during my first visit. Perhaps I was distracted by the photo policy?

If you have noticed a drop in recent posting activity, I have been dealing with numerous personal and professional issues the past month or so. Expect my average two to three posts per week to resume this month. And email? Let’s not talk about how far behind I am replying to Blog subscriber and reader emails.


  1. Daniel says:

    That “contraption” seems like a massive amount of metal to minimize the amount of silicon in use. What is your impression?

    I wish green-volts luck. Do you think their system will lead to lower cost solar? (relative to the current industry path(s))

  2. Edgar A. Gunther says:

    I always thought the CarouSol was a differentiator for GreenVolts.
    At Solar Power, I heard a consultant make the same comment about the large amount of metal in this design. With the ease in commodity prices, this should not be an issue in the near term.

    The CPV cost reduction path remains to be proven as production ramps beyond multi-MegaWatt volumes.

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