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07/20/14

  07:14:00 am, by Jim Jenal - Founder & CEO   , 259 words  
Categories: Climate Change, Ranting

What has been done, can be done...

How did we get from this…

LA Smog circa 1968

LA Smog circa 1968

To this…

On a clear day you can see forever...

On a clear day…

In my lifetime?

As a school child growing up in a suburb of Los Angeles, I was all too familiar with the upper scene: ground level ozone and other pollutants that literally made it hurt to breathe.  Kids would come into classrooms after lunchtime recess and cough for half an hour.  Every day.  The very air was killing us and no one seemed to have the ability, or the will, to change it.

The story of how LA drastically improved its air quality has much to teach us as we face the fight to do something about climate change.  The tactics of those who profit from the status quo are exactly the same: denial, obfuscation, entrenched resistance.  But we overcame their resistance before, and what has been done can be done.  The question is: do we have the will?

Which brings me to the wonderful series on addressing these issues that ran this past week on Kai Ryssdal’s always engaging Marketplace on NPR.  (Sidenote: we listen to NPR on KPCC, and we have a Solar Member’s Benefit for KPCC members!

In a week-long series titled, We Used to be China, the Marketplace Sustainability crew looks at how, not so long ago, the US faced pollution issues every bit as daunting as what confronts China today, and more broadly, the globe.  In particular, the sections on LA’s Smog and on the Cap and Trade program that cured Acid Rain are particularly illuminating.  Check them out.

07/19/14

  07:53:00 am, by Jim Jenal - Founder & CEO   , 146 words  
Categories: Energy Efficiency, Residential Solar, Ranting, Energy Storage

Can Renewables Power the US?

As renewables become an ever larger share of the energy mix on the grid, we constantly hear the naysayers bleating that renewables make the grid unstable.  Indeed, they claim that anything above a tiny fraction of total power demand penetration by solar sources will result in blackouts or worse since such sources are so variable. Besides, they say, what happens when the sun doesn’t shine and the wind doesn’t blow?  Renewables will never be reliable enough to fully power the grid.

But is that really true?  Could it actually be possible to power the US using only renewable sources?

Amory Lovins over at the Rocky Mountain Institute thinks the answer is yes, and the short video that they have created makes a pretty compelling case.  Take a look and decide for yourself.  (Hat tip, Climate Denial Crock of the Week.)

Remember: “Whatever exists, is possible.”

07/18/14

  09:27:00 am, by Jim Jenal - Founder & CEO   , 1775 words  
Categories: Safety, Energy Storage, Intersolar 2014

Intersolar Wrapup: Sexism Declines, but Chaos Looms

We spent some quality time on the exhibit floor, and at the social events, of last week’s Intersolar North America and here’s our take.

Overall Impressions - Does Size Matter?

The show felt smaller, to be sure, and we didn’t see anything that created a real “Wow” moment.  (Possible exception, the mini solar race cars which were very cool, but they didn’t really have much to do with anything.) With SPI looming in just a few short weeks in, wait for it… Las Vegas Man™… it was hard to shake the feeling that manufacturers were keeping their powder dry until October.

Merchatron tracker

Of course, not everything was smaller. 

The folks at Mechatron won the prize for the largest solar device at the show—an enormous solar tracker (which we were told took them a day and a half to assemble inside the hall!)—that has more than a bit of a Transformers feel to it.

Sadly it wasn’t moving during the show…

Look Who is Missing?

Given the show’s smaller feel you would expect some well known names to be missing and you would be right.

We are happiest to report that the number one no-show was last year’s Sexism Public Enemy Number One: RECOM.  Although they had a significant presence at Intersolar in Europe a month ago, they were nowhere to be seen at this show, and the folks from Intersolar confirmed that RECOM had originally booked a booth but then cancelled without explanation.  Did they back out due to the backlash over their nonsense last year? We can only hope…

Inverter manufacturers Enphase Energy, KACO and SMA were all missing from the floor—although that’s no surprise for Enphase who never shows at Intersolar, and who had a large presence elsewhere in co-hosting the Tweetup (thank you!) and the Solarfest. 

SMA touts made in the USA

SMA, although not on the floor did manage to take a swipe at its competition with this banner (that’s a really, really big banner!) and a van parked outside touting their market dominance—in the past.

We are all for made in the USA, but what percentage of the show attendees were walking around with smartphones that were made somewhere other than the USA? Uh, pretty much everybody. 

Not clear that this is a winning argument, or even SMA’s best argument given that their TL inverters are a very cool product.  If your only presence is going to be a banner, why not tout an actual benefit of your products? 
Opportunity missed.

Seeking Better Racking—with less Sexism

Our stated goal for the show was to identify a new racking supplier to replace our now discontinued standard (Unirac’s late, great, Solarmount Evolution) and toward that end we spent a lot of time on the third floor where the racking suppliers hung out. Continuing the recent trend, there was a lot on display.

Shoals promotes booth babe culture

A study in contrast could be found between the displays at the Shoals and Schletter booths.  Both supply racking gear.  Both offered coffee in the morning and beer in the afternoon.  And both had attractive women handing out the drinks.  The difference?  The women at the Schletter booth actually work for the company (in a wide variety of jobs, other than marketing) whereas Shoals insists, defiantly, on promoting the Booth Babe culture with models in black cocktail dresses.  (Leading to scenes like this of guys standing around to photograph the models.  Not sure how that promotes solar or Shoals’ products.)

Still we did see racking systems that we liked.  Iron Ridge has an interesting rail shape which they insist is stronger than other products, and their CEO, William Kim, seemed very eager to connect with installers and learn from their experience—something that other companies need to do!

But our overall winner at the show was Everest Solar Systems.  Talk about learning from installers, all of their components are pre-assembled so the installer doesn’t find herself on a roof missing a bolt.  The parts work together in an intelligent fashion and seem designed to streamline the process on the roof where it matters.

Everest mounting system

For example, here is a picture showing their end clamp assembly (and attractive end-cap for the rail) and there are a number of features here to like.

To begin with, the clamp is extra wide giving you a firmer grip on the module.  The clamp has a small spring inside which means that once inserted in the channel, the clip stands up at full height, making it easier to insert the modules under the clip.  (The mid clamps also have this feature which we think is a great idea.)  The black piece next to the rail is a plastic grip that the installer can use to position the clamp in the rail and turn to align it properly—another clever feature which should cut down on fumbling on the roof.

Equally well thought out are the splices (which do not use self-tapping screws, thank you) that provide structural strength while allowing for thermal expansion.  Oh, and there’s no drilling required on the roof!

We are eager to give the Everest system a try on an install very soon.

Storage on the March

As we have seen in previous years, enthusiasm for intelligent storage systems is high, while actual products are few.  And even when a product is on display, it is not always clear that the folks talking about the product have really thought it through.

LG Residential storage offering

Take, for example, this potential offering from LG.

We say potential because this is really a concept vehicle, not something you can order now.  Indeed, the decal on the box proclaims that the product will debut in Europe the second half of next year.  Roll-out in the US is not slated until sometime in 2016.

More troubling though was, in our view, a misunderstanding of the nuance in this market.  The box shown has a storage capacity of only 2 kWh—less than a tenth of the daily energy output of a 5 kW solar power system.  How and when will that energy be deployed to assist the homeowner in reducing their bills?  In talking with the LG rep, we started to explain the differences between how you might use that energy under a tiered rate structure versus a time-of-use structure.  Instead of being told that their software was designed to handle those differences, we got a mostly blank stare.  Now that could simply be that the rep wasn’t fully up-to-speed on how the box is designed to operate, but it was not encouraging.

What is encouraging is that electronics giants like LG are starting to get serious about this opportunity and from what we have seen from LG in the solar module space, we are confident that they can develop a compelling product offering—just not yet.

Meanwhile, last year’s show standout for really grokking this space, Stem, was nowhere to be seen.  Nor was their SoCal competitor, CODA.  Perhaps both are keeping their chips in reserve, hoping to make a big play in Vegas at SPI.  Watch this space.

Burning Down the House

Finally, we have two things to report under this topic—one cautionary, the other celebratory.  Caution first.

Fire Code Chaos

Creeping up on the entire California solar market is the issue of Fire Code regulations that have the potential to bring things to a screeching halt come next January.  We are still trying to get up to speed ourselves on this issue, but there were fire code regulations that were supposed to go into effect last January but were postponed because no one had a technical solution for meeting them.  That postponement was for only a year, however, which means that come 1/1/15 we are subject to these regs.

As we presently understand the issue (and feel free to offer clarifications in the comments),  roof systems are rated under classes A-C based on how resistant they are to an outside source of combustion (think of a burning tree limb resting on the roof), with class A being the most resistant.  Solar modules on the market today generally have a class C fire rating.  The new regs would say that where a roof system is required to be class A (as in high fire threat areas), all components on the roof must also be class A—but if there are no class A rated solar modules, such buildings would be unable to add solar.  Moreover, even if a module were designated class A, it would still have to be tested with the roofing system to ensure that the combined system were class A.

If that weren’t bad enough, there is an additional categorization pertaining to fire spread, and because roof arrays more than a few inches above the roof act like conduits for spreading flame, such arrays cannot pass the flame spread requirements.  Yikes!

Both module manufacturers and racking reps that we brought this up with gave us a deer-in-the-headlights response initially (with the exception of Barry Cinnamon’s Spice product offering), with some subsequently saying that they were working on the issue.

As noted above, we are still getting up to speed on this issue and we will have much more to say about it in the coming weeks.  Watch this space.

Battling Bands - Again!

Finally, our Battle of the Bands karma continued to rock at Intersolar.

For those not in the know, the annual Battle of the Bands has two, parallel sets of competitors.  On the one hand are the house bands from various solar companies who go head-to-head to see who will be crowned the best of the best.  But just as fierce is the competition to get a ticket to the closed event!

Two years ago we got in on sheer force of personality (not ours, but that of Solar Fred) and last year Jeff (Solar) Spies’ crew at QuickMount PV provided the ducket.  But alas, not this year. 

We were directed to another booth where there was a raffle we could join, but no luck.

Yet then, we turned the corner and found ourselves at the NABCEP booth where Sue Pratt was about to raffle off two tickets.  We tossed our biz card into the bowl (complete with NABCEP Certified logo, thank you very much) and then crossed our fingers.  When the first card pulled turned out to be a no-show, Sue dug deep—and pulled out our card!  How cool was that?  (We gave the second ticket to another installer who had just had his hopes dashed by our good fortune—gotta pay that Battle of the Bands karma forward!)

Lots of photos from the party (though oddly, many are strangely blurry—sorry about that Kathie & Jessica) but we will leave you with our favorite—may your karma be so good next year!

Battle of the Bands 2014

07/01/14

  09:58:00 am, by Jim Jenal - Founder & CEO   , 354 words  
Categories: Commercial Solar

Commercial Solar Sale!

Commercial Solar: Step-by-Step

Just in time for the 4th of July, we are offering a special Commercial Solar sale, as in a sale on our book, Commercial Solar: Step-by-Step.  Starting at midnight on the 4th of July, the Kindle eBook price will be just 99¢, a savings of 81% off the normal retail price.  But a price that good can’t last forever, in fact, it will just last for 24 hours so don’t miss out!

What’s that you say, you don’t own a Kindle? Well, there’s a Kindle app for iOS devices (iPad, iPhone), for Android devices, and a downloadable app for both PCs (get it here) & Macs (ditto)! This is a great way to read a book, super convenient for folks who travel, and you can even take it with you to show to prospective clients!

So don’t miss this chance to own the most popular book on Commercial Solar ever written! See for yourself why reviewers have said:

“There’s so much information that you need to know when thinking about installing commercial solar. As a solar pro, Jenal provides all of it to you, clearly and transparently. Through a combination of a fictional company going solar and Jenal’s added in-depth insights to each step, businesses and facilities will learn how to find quality commercial installers and what to expect during the installation process. He also covers financing, solar incentives, and key points to analyze in a solar bid.”

And:

“Whether you’re a potential solar customer interested in how to go solar or a commercial solar sales professional, this is a must read.”

And:

“This book is written for the commercial building owner or facilities manager thinking about Solar Photovoltaic installation. It is very informative and covers all the aspects involved in a commercial solar project. [An] engaging and humorous read.”

And:

“Jim Jenal’s guide to commercial solar is a thorough, quick, and easy read. The text is manage-ably dense with information, but chatty and easy to understand. Jim knows what he’s talking about, which is nice for those of us who do not.”

So get ready to celebrate Independence Day and download your copy on the 4th!

06/28/14

  08:36:00 am, by Jim Jenal - Founder & CEO   , 351 words  
Categories: Electric Cars that Run on Sun, Residential Solar

This Charge is on Us!

As a small business, Run on Sun is often approached about novel means of marketing, the vast majority of which we simply turn down.  Part of that is the sense that we really wouldn’t be reaching our target audience very effectively—do people think about solar standing in the supermarket checkout line? Nah, we didn’t think so either.

Run on Sun EV charge station ad

But then, along came Volta and a marriage perhaps made in heaven: an ad for Run on Sun on an EV charging station! Even better, a free to the driver EV charging station at Whole Foods market here in our home town of Pasadena!!!

Voila—we present the first ever, Run on Sun EV charging station in the wild.

The car being charged is a Tesla (natch) and what we really loved about this marketing opportunity was that when the driver gets out of that car they are looking right at our ad. Pretty close fit to a target demographic too: EV drivers shopping at an upscale market in our geographic center.

Are the stars aligned here or what?

Run on Sun EV charge station ad close up

 

Well, actually, time will tell (the ad just went live on Thursday), but it certainly feels right.

The ad features one of our charming and talented clients (thank you, M!) posing before her Leaf with our solar installation in the background.

The message is simple and direct: Your car should Run on Sun!  Indeed, for those of you taking advantage of the free charge at Whole Foods, your car is, at least for that charge!

The QR code in the lower right corner takes you to our newly minted, EV page on our website, where folks can learn more about solar charged driving and us.

And of course, since Whole Foods prides itself on providing locally sourced produce, we got in a reminder that Run on Sun is your local source for solar.

If you make it to Whole Foods (on Arroyo Parkway) check it out.  If you are driving an EV and you don’t have solar yet, we hope this will inspire you to take the plunge.  In the meantime, this charge is on us!

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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.
In addition, Run on Sun offers solar consulting services, working with consumers, utilities and municipalities to help them make solar power affordable and reliable.

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