Latest Comments

In response to: The Biggest News at SPI 2017 - B3 Bypass

Comment from:
solarken
3 stars
So many misnomers on a center fed panel. Really look at the construction. A 200A Iā€™d Fed in the center to two 100A bus bar sets, one up, one down. Now, split your feed from two inverters and your good. But I like this new idea. It may become very useful…
09/25/18 @ 02:35

In response to: What I Saw at Enphase - Mind Blown!

Comment from: Jim Jenal - Founder & CEO

Hi Shannon –

It is my understanding that there will be such a transfer switch, and one presentation that I saw include the use of a standby generator. I don’t know more specifics but maybe I’ll learn more this week as Solar Power International.

Jim

09/24/18 @ 16:47

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
shannon
How will a solar array with IQ8 devices achieve anti-islanding compliance? If the grid goes down, and the inverters are providing power for devices in the home, the grid will appear as a huge overwhelming load unless there is a transfer switch that disconnects the grid at the service entrance/main breakers. Is there going to be a transfer switch unit made by enphase that communicates with the IQ8 mesh? Will there be a generator auto start and transfer switch unit there as well. This is exciting sounding advances. I am in the market for a solar solution for rural home and farm on grid, but at risk of extended outages.
09/22/18 @ 08:27

In response to: What I Saw at Enphase - Mind Blown!

Comment from: Jim Jenal - Founder & CEO
There was no transfer switch, per se, but they shut off the breaker that connected the array to the grid, so there was no way for the system to export power to the grid. The local microgrid did have consumption CTs as well as a production CT, but that was for the display, not to control what the IQ8’s were doing. The IQ8’s figured out what was needed based on the attached loads and modified their output to match.
09/08/18 @ 21:32

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
sandeen
Jim - Thanks for the writeup. So is there no transfer switch involved here, I take it? Is it just using CTs on the utility connection to measure net grid power flow and adjusting solar output so that there’s no backflow when the grid is down?
09/08/18 @ 19:11

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
amperageman
Nice to see the write up of what we have been hearing about.
08/24/18 @ 00:06

In response to: What I Saw at Enphase - Mind Blown!

Comment from: Jim Jenal - Founder & CEO
My understanding is that you can indeed include a generator.
08/20/18 @ 17:44

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
gridzilla
Add in integration with a generator and you have something truly disruptive.
08/20/18 @ 03:47

In response to: What I Saw at Enphase - Mind Blown!

Comment from: Jim Jenal - Founder & CEO

In case it wasn’t clear, I am not associated with Enphase, other than being an enthusiastic installer of their products. That said, I believe the 10 kWh Encharge system contains 12 IQ8’s, and presumably 4 in the smaller unit.

I would not expect to see Enlighten try to model savings as that is a complex undertaking since utility rate structures are so complicated and diverse. However, there are companies that are good at doing that, for example we use EnergyToolbase to model potential system performance and apply it against historical interval data and the chosen utility rate schedule.

Thanks for taking the time to comment.

08/19/18 @ 20:43

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
g__day
Oops - I missed reading on slide 39 that each 3.3kWh storage unit has a 1.28kW output (assume that is 3 * IQ8) - guys that is very, very nice!
08/19/18 @ 01:59

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
g__day
Very innovative technology and great analysts presentation pack. I note two areas where I would love to know more. The first is basically how many IQ8 can you put into each 3.3 or 10 kWh storage unit? In Australia there is a huge pricing gap between peak time 2pm - 8pm grid electricity pricing and shoulder 7am - 2pm and 8pm - 10pm and off peak loads (10pm - 7am). The time hours before sunset to 8pm often generate 60 percent of our usage costs. In my typical scenario 4-6 kWh are needed over 2-3 hours. So an output of 2-4 kW for an hour or two would best economically cover my grid usage. This means a peak load storage unit is far more economically attractive than a base load storage unit. Something that can every day if need discharge fast! Your original 1.2 kWh unit took 4 hours to discharge - as only the one inverter per storage unit was released. Will your new units allow multiple 425W IQ8s to be installed per 3.3 kWh of storage? a 1, 2, 3 or 4 IQ8 per 3.3 kWh of storage would be a real game changer if it could be priced to give an ROI within 10 years - it could scale from base load to peak load depending on a customers needs. Secondly - will Enlighten or Enlighten Manager be enhanced to show financial performance of a PV system or benchmark my performance versus friends / a local community? Enlighten is great - a real differentiator for you. It could be superb if it was extended a bit more. I transfer a lot of daily / hourly data from Enlighten to Excel - simple because Enlighten doesn’t allow me to enter my 7 day a week 24 hour day cost of electricity in / value earned from electricity exported into a table - which could then be cross multiplied against usage to give me economic value derived. If I had that - I would love your reporting to death! I have 5 arrays in 3 compass bearing - I would love to see seasonal array performance at a glance (instead of half an hour of seasonal energy reporting analysis of each solar cell gymnastics I perform on Enlighten Manager to realise my North East and North West facing cells make 410 kWh per year and my SE cells average 310 kWh per year (as they only make half 60% of the power of the Northly facing cells in Winter). I have advocated for many of my friends to use Enphase - it would be great if we could readily compare our systems performance against each other. To me adding $ saved to Enlighten reporting versus only kWh produced or consumed would be a simple, yet killer feature to consider. Allowing each user to enter their specific 7 day 24 hour cost of a kWh drawn or provided would be wonderful to allow direct cost reporting from Enlighten would be wonderful. The social side of being able to blind or selectively benchmark is huge - look at what 3dMark / futuremark did when they not only created PC 3d graphics performance testing test but brilliantly added a world wide benchmark and ranking system - they revolutionised the game! Lastly - more specifics about what has to be done to integrate your new technologies to a M250 / S270 / IQ7 house would be appreciated. If I wish for power production with grid out - do I need your control (islanding circuitry) plus swap over all 36 micro inverters I own - or only one array of them - or can a hybrid mix exist but it will give different production performance? ALl up - many thanks - great work Enphase!
08/19/18 @ 01:43

In response to: What I Saw at Enphase - Mind Blown!

Comment from: Jim Jenal - Founder & CEO

Thanks for the kind words (and for taking the time to comment).

I don’t have any insight into what SolarEdge has in store, but they don’t have anything like this in the market. SPI is next month, so it will be interesting to see how they respond.

The software is the entire key to how this works (assuming you have hardware that is capable of running it). The ability to coordinate without communication (let alone no master-slave relationship) is nothing short of astonishing. In fact, I’m reminded of Arthur C. Clarke’s line: “Any sufficiently advanced technology is indistinguishable from magic.” This was close to that!

08/18/18 @ 19:32

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
gwiggins
5 stars
Thanks for the excellent write up of the demo that very clearly explains how the IQ8 works under real life conditions. It does sound pretty extraordinary. Will other inverter makers like SolarEdge have anything like this to compete with in the near future or does Enphase truly have a deep moat that will take others years to catch up to? Wanted your impression of the battery solution they announced yesterday. Also, can you comment on their software and how important that is to the total Ensemble Platform? Appreciate your efforts to educate the market.
08/17/18 @ 19:42

In response to: What I Saw at Enphase - Mind Blown!

Comment from: Jim Jenal - Founder & CEO
The new microinverter is called the IQ8.
08/17/18 @ 19:09

In response to: What I Saw at Enphase - Mind Blown!

Comment from: Jim Jenal - Founder & CEO
I do not (yet!) have an answer to your question, but expect to soon and will write about it then. Watch this space - and thanks for taking the time to comment.
08/17/18 @ 19:08

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
beholderseye
What was the inverter name? Glad that Empower advanced their product line… And not soon enough…
08/17/18 @ 18:54

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
solarkings
5 stars
Awareness is critical for Enphase’s new revolutionary technology. There are literally millions of “anti-islanding” customers out there who will want this capability ā€” in Hurricane Alley, Typhoon Alley, and basically anywhere where the grid goes down, sometimes for weeks after a hurricane or other natural disaster. Enphase’s IQ8 is the answer. All other microgrids are “dumb” as Raghu would say ā€” Enphase is the first company to truly have a “smart” microgrid solution. Go Enphase!
08/17/18 @ 15:49

In response to: What I Saw at Enphase - Mind Blown!

Comment from:
bwelliott
Fascinating indeed. I am a homeowner in Florida and am considering the purchase of solar. FL is less solar-friendly than CA but it seems like a no-brainer to me, particularly with the fed credit. Enphase seems to be heading in the right direction with new partnerships and game-changing tech. Their financial picture concerns me and the Prescience Point report(s) make me even more gun shy towards them. You noted that 6+ and 7+ products will be compatible with Ensemble. Does that mean the 6+ and 7+ micros would provide the same mind-blowing functionality you saw with the 8s? I know it is early in the game but do you have a sense if there would be added costs involved with having the 6+ and 7+ products work with Ensemble? How about the Encharge storage offering they mentioned at yesterday’s Analyst day? In short, the case studies described exactly what I’m seeking so I’m trying to better understand if I should just wait for the 8s or I could go ahead and move forward with PVs, 6+/7+, and then add Ensemble software and Encharge storage when it arrives next year. Thanks for your great coverage on solar….
08/17/18 @ 14:16

In response to: I've got solar; why is my bill so high?

Comment from: Jim Jenal - Founder & CEO
I am sorry to hear of your situation. You might contact the lease company and see what, if anything, they will do for you. Yet another reason why we hate leases! Jim
08/12/18 @ 22:12

In response to: I've got solar; why is my bill so high?

Comment from:
mrsweezie
Our first bill was a shocker too. Our sales rep told us we would be paying our taxes, etc to the tune of around $19 per month for the Utility Company. Actually, they add up to around $40. Now we got our bill saying it is $120. That combined with the lease payment of $150 per month, we are paying about $90 a month more then we were paying for our level pay for electricity. We’ve read that we should use our utilities during the day when we are on sun energy. We’re so disappointed.
08/12/18 @ 21:50
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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