UPDATE - Due to looming weather concerns, the Solar Impulse team decided to divert to Nagoya, Japan to await better weather. Disappointed but undaunted, pilot Andre Borschberg landed successfully in Nagoya this morning after flying for 44 hours and more than 2,000 miles, roughly one-third of the intended distance to Hawaii. Now the team will study the weather to determine the optimal time to resume their mission to fly around the world, powered only by the sun!
Solar Impulse 2 - the entirely solar-powered airplane that is attempting to fly around the world - just took off on the most audacious leg of its amazingly audacious mission: to fly non-stop from Nanjing China to Hawaii. This is a non-trivial flight in a conventional jetliner, one from which many passengers will disembark complaining of cramped quarters and a lack of sleep. But the pilot of SI2, Andre Borschberg, will need to stay awake (mostly) for six days in a cabin slightly smaller than Dr. Who’s TARDIS Police Box!
Updates from SI.TV
We have written about the Solar Impulse project before, with a mixture of awe and envy. This particular flight, however, is all awe. We are in awe of the raw human fortitude required to succeed at this attempt, and we are in awe of the courage that this pilot is displaying. Of course, he is far from alone in this undertaking, supported by a mission control center and an extensive ground support crew. But at the end of the day, he is in that cockpit alone, and the success of the flight will come down to his skill and determination.
Each day the plane greets the sunrise by a climb to altitude (flight level 280, or 28,000′), allowing the solar cells (17,000 of them) to fully recharge the plane’s batteries. During the night, the plane descends, flying on stored solar power. As morning comes around, the plane and pilot reach a critical moment - can they get to a point of energy production that will sustain them through another cycle? If they have encountered too many clouds, there will not be enough energy to sustain the mission and the pilot faces the very real possibility of ditching the plane in the middle of the Pacific Ocean! Wow!
Rest for the weary pilot comes in 20 minute breaks, ended by a gentle alarm if all is well, or a more insistent alert if something has gone awry. To maintain physical and mental health, the pilot practices both yoga and self-hypnosis, as well as a limited set of exercises that can be performed within the cabin’s confines.
You can learn more about the background of this mission, and even monitor how solar energy is powering the flight at the Solar Impulse website.
We will update this post as the flight progresses, and the video embedded here will provide live streaming of the flight so be sure to check back often during the week ahead.
SPI is always a great show, indeed, it is often an overwhelming experience. Add in the extra spice of Las Vegas and this week is likely to go by in a blur! As always we will be on the lookout for what’s new and improved, particularly when it comes to racking solutions, energy storage (will this finally be the year?), and cool new tools to make the job easier and safer.
We are particularly eager to see what is happening in “Start-up Alley” where a number of new companies will be pitching their concepts in the hope of securing investment dollars - to say nothing of some SPI buzz! One SPI regular and strong policy voice for solar - Adam Gerza - will be there with his new venture, Energy Toolbase. He recently wrote to us to tell us about Energy Toolbase and described it this way:
Having spent the last six years building my own Excel models, and using the other software products that are out there – I believe Energy Toolbase is better than any tool that’s ever been built.
Pretty strong boast there, Adam, and as someone who has been building models since getting into the business back in 2006, I’m looking forward to seeing what you’ve got!
But SPI is about way more than the geek fest that it surely is. It is about making connections and there will be lots of opportunities to do just that. Starting with the opening reception this evening, and then the lucky few who made the cut get to attend the Top Solar Contractors Gala, courtesy of the fine folks at Solar Power World.
Tuesday night is the annual Block Party and I’m guessing a block party in Vegas will be nothing short of epic!
Wednesday features the Solar Tweetup at lunchtime hosted by Tor (Solar Fred) Valenza (with some help from his friends at Enphase, Generaytor, REC Solar and Solar-Log, and wraps up with the #SolarChat event featuring Raina Russo, Glenna Wiseman and our own Kendra Hubbard. Whew!
Look for tweets and Facebook posts during the week and more detailed blog posts after the event.
Have a great week everybody, and if you see me on the floor be sure to come up and say hi!
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.
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.
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…
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, 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?
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.
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.
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.
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.
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.
Finally, we have two things to report under this topic—one cautionary, the other celebratory. Caution first.
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.
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!
In the “How cool is this?” department we have learned that the White House is seeking nominations for their Champions of Change program, but this time specifically related to Solar Deployment! Here are the details…
According to the White House website:
The White House Champions of Change program regularly highlights ordinary Americans from across the country who are doing extraordinary things in their communities to out-innovate, out-educate, and out-build the rest of the world. To celebrate the breadth of individuals who are taking action on solar deployment, we will honor “Champions of Change” to lift up entrepreneurs, innovators, legislators, affordable housing owners, community leaders, and others who are accelerating deployment.
We are asking you to help us identify standout local leaders and businesses by nominating a Champion of Change for Deployment of Solar in the Residential, Commercial, and Industrial Sectors by 5:00 p.m. on Friday, April 4. These champions can include:
- Community leaders working to bolster solar adoption; including participants in DOE’s “Rooftop Solar Challenge,” through which 22 teams are working to advance deployment;
- Business leaders promoting solar procurement (building supply chains and smaller organizations that provide information about the benefits of solar);
- Companies and non-profits training veterans for solar jobs;
- Multifamily housing owners, home builders/associations and organizers promoting onsite solar generation on our rooftops, and organizations providing innovative financing mechanisms to developers and homeowners;
- Utility leaders seizing solar energy’s potential by supporting and facilitating solar deployment, including through community solar; and
- Organizations working to help consumers navigate the regulations and paperwork necessary to install solar in their communities.
Click on the link below to submit your nomination (be sure to choose ‘Solar Deployment’ in the “Theme of Service” field of the nomination form).
This is a great opportunity to help give some well deserved recognition to your favorite hero in the effort to build a clean, sustainable future. You can submit more than one nomination, but the deadline is this Friday at 5 p.m. (and that’s Eastern time, so 2 p.m. here on the left coast). So don’t hesitate, get those nominations in now!
At Run on Sun we love March, in fact, its our favorite month. Part of that is that March means Spring and how can anyone not love Spring? But March is also the birthday month for Run on Sun Founder & CEO, Jim Jenal, and for this March we decided to give the presents to you!
For the entire month of March, we are putting Jim’s book, Commercial Solar: Step-by-Step on sale for the special price of just $6.50, more than 33% of the regular list price of $9.95. Plus, if you purchase the paperback version of Commercial Solar you can download the Kindle eBook for free! (Heck, you could buy the paperback, keep the Kindle eBook and gift someone else with the paperback—how’s that for gifting it forward?)
Plus - if you show us your copy of Jim’s book when we come to do your site evaluation, you will qualify for a special discount on your proposal price!
So don’t wait. Help us celebrate March and all that it holds by taking advantage of these special offers.
Because come April, the accountants take over again and the prices go back up!