09:08:39 am, by Jim Jenal - Founder & CEO   , 161 words  
Categories: Solar Events, Solar News, SPI 2009

Is it Magic? Can you really get a Solar Edge?

One interesting product development here at SPI – DC to DC conversion for optimizing string performance. National Semiconductor’s Solar Magic product pushes MPP tracking down to the module level.  Israeli company, Solar Edge, takes it a step farther, offering an integrated system that includes their own inverter that takes advantage of strings providing output at the optimal voltage to run at peak efficiency.

These are not micro-inverters - it looks like Enphase still has that market to itself (surprisingly) - instead these products allow each panel to operate independently, but still only have DC on the roof.  Solar Edge touts that it is installer and firefighter friendly because the panel boxes shut off when the inverter is off and thus, de-energizes the DC run.  (Something roof mounted DC disconnects are intended to accomplish, but cannot.)

Too soon to tell whether these products will grow beyond interesting ideas and into mainstream products, but no doubt they would like to catch some of that Enphase magic.



  12:33:04 pm, by Jim Jenal - Founder & CEO   , 121 words  
Categories: Solar News, SPI 2009

SPI 2009 - First thoughts

I am here at Solar Power International  2009 in Anaheim and I’ve just had my first taste of the exhibit floor.  Or should I say, floors – there are three of them at the ground level, plus more upstairs!  More than 900 exhibitors on this floor makes it something of an overwhelming experience.

One cool discovery already is a company called Pictometry that is selling high quality images with resolution far greater than Google Earth.  They also have some smart looking software that allows for accurate site measurements online.  This is part of what is great about this show - the chance to discover new resources that have the potential to make the job easier that you weren’t even looking for until you saw it!


  12:54:02 pm, by Jim Jenal - Founder & CEO   , 247 words  
Categories: Solar News


Greetings, and welcome to my blog.  In it I will be providing views on the solar industry, including information about why solar is more affordable than ever, new developments in solar technology, and upcoming events of interest to solar enthusiasts.  If you find the contents of this blog interesting, please tell your friends.

Here’s a little background on me and Run on Sun:

Run on Sun was founded in 2006 by Jim Jenal and Brad Banta.  We believed then - and even more so now - that there is a need in the solar installer industry for clear communications about how solar works, and how it can best work for commercial and residential consumers.  This blog is an additional part of that effort to increase our communications with the solar-interested public.  
We welcome your questions and comments - if there is an area of solar that you would like us to discuss, please let us know.

Jim Jenal - is a resident of Pasadena, California and the co-founder and CEO of Run on Sun.  Jim holds a B.S. in Mathematics, an M.S. in Computer Science and a J.D.  
In a long and varied career, Jim has worked as a Member of Technical Staff for Bell Labs, taught high school (at Mayfield Senior School here in Pasadena), developed the nation’s first municipal ordinance regulating ozone-depleting compounds, and practiced law with the preeminent law firm in Los Angeles, O’Melveny & Myers.  
Now a recovering lawyer, he brings a multi-dimensional perspective to the solar industry and green technology.

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Jim Jenal is the Founder & CEO of Run on Sun, Pasadena's premier installer and integrator of top-of-the-line solar power installations.
Run on Sun also offers solar consulting services, working with consumers, utilities, and municipalities to help them make solar power affordable and reliable.

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