Are the Enphase 210s only compatible with the Sanyo mods?
Thanks,
marco
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I'm reading a piece on energy storage in the latest issue of Distributed
Energy mag.
The writer, Lyn Corum, repeatedly refers to the capacity of storage mediums
(thermal, compressed air, flywheel, battery) in kW and MW terms.
Heck, even my friends at Beacon Power refer to their flywheel
I heard that fellow Wrench Walt Ratterman is MIA in Haiti.
Anyone have any news?
marco
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.
On another subject, have any of you used the Schletter-brand mounting
hardware? Any comments?
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
http
Can anyone pass on a good website address that provides the means to
calculate DC line loss over distance?
The ones that I've come across don't allow for entering in whatever you want
as far as specified DC voltage.
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco
Is the best one can do as far as high DC array voltage the Delta LA602?
Didn't they used to have a high voltage version of the LA302DC?
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281
that the high voltage unit is the 602, there are units available
from other manufacturers but they are a boat load of money and still require
prayer.
Bob
On Fri, Apr 16, 2010 at 6:31 PM, Marco Mangelsdorf ma...@pvthawaii.com
wrote:
Is the best one can do as far as high DC array voltage the Delta LA602
Pat,
Kicked your butts as far as lower output? If so, by how much on a
percentage basis?
On the Big Island of Hawaii, we've had a very active volcano doing its thing
since 1983. With the normal trade winds, the vog (volcanic smoke + fog)
gets blown south past the volcano, around the
This thread brings up a very timely issue that I’m dealing with right now with
PV Power Purchase Providers. As an integrator providing turnkey PV systems of
X kW, I’m being asked to contractually agree to a minimum performance warranty
for said PV systems. I am EXTREMELY uncomfortable to any
As in Enphase 190s, S11 version, with the MC3 connectors.
As in about 100 of 'em.
Anyone have any suggested sources?
Thanks,
marco
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For a high voltage DC junction box?
As in touch these wires and die or something similar?
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
http
Anyone have a line on a well-priced Solmetric Suneye 210?
The cheapest I've found so far comes to a bit under $1,900.
Thanks.
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
My biz partner has an Enphase system with BP Solar mods.
He believes that the web-based monitoring system may be reporting on the
high side as far as kWH performance over time.
That is, he suspects that what he's seeing may not be accurate.
Anyone out there have a similar experience?
Marco,
I have a revenue grade kWh meter on my 3 Enphase 175 system that is owned by
the utility (production based incentive in WA state) and the Enphase
monitoring reads about 6% over the revenue meter. This has been over a one
year period. I've been very pleased with the performance using
I just don't understand why going over 20 percent of module nameplate to
nameplate inverter rating makes any sense.
I regularly see 120-130 percent of nameplate amperage coming off of the
array on our office due to edge of cloud.
So I have to disagree with Dana in this instance. I see
Thanks for sending that link, William.
OK.let's try it from a different perspective.
When you're running, say, three three-phase hot conductors from point A to
point B with a neutral conductor, should that neutral be considered current
carrying from the perspective of more than three
How about some clear definitions-for-dummies of 1) linear loads and 2)
non-linear loads?
marco
Marco:
Will non-linear loads be expected? If so, the neutral is considered to be a
current carrying conductor and needs to be counted. If no non-linear loads,
then the neutral is not counted.
Has anyone had any experience with the fairly new Solmetric Suneye 210
shading analysis tool?
Feedback and observations?
Or how about with their earlier version the Suneye 110?
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad
Anyone have a good line on MC 4 locking connectors?
Thanks,
marco
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Have you ever tried to get a return phone call from Multi-Contact in
Petaluma?
Rots of ruck..
Is Wieland a manufacturer of knock-off MC connectors?
marco
Marco:
Multicontact or Wieland.
William Miller
At 10:43 AM 5/18/2010, you wrote:
Content-Type: multipart/alternative;
PO Box 657
Petaluma, CA 94953
Cell: 707-321-2937
Office: 707-789-9537
Fax: 707-769-9037
_
From: Marco Mangelsdorf ma...@pvthawaii.com
To: RE-wrenches re-wrenches@lists.re-wrenches.org
Sent: Tue, May 18, 2010 11:13:02 AM
Subject: Re: [RE-wrenches] MC 4 connectors
Have you ever
Anyone have any line on some MC4s or have some, even a paltry quantity, that
they're willing to part with?
Thanks,
marco
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When calculating the voltage drop from a PV array to the inverter, what's
the most common accepted practice? To use the Isc X 1.25 or 1.56 as the
multiplier?
Thanks,
marco
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Finding that wire in these here parts is pretty much impossible.
Can any of my CA. brethren/sistren provide me any leads on wholesalers in
either northern or southern CA. that carry #10 THWN-2 wire?
Thanks,
marco
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I've been looking hard to see what manufacturers produce this kinda elusive
#10 THHN/THWN-2 wire.
United Copper Industries (Texas) does. I have a handy spec sheet from them
that I can email anyone who's interested.
marco
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Anyone know where to go for reconditioned 3-phase kWh meters (other than
Austin International)?
Thanks,
marco
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Anyone know where I could go to find out the max conductor sizes that
threaded Al. LBs can handle?
I learned the hard way that a conduit of X inches that can handle conductors
of a certain size does not necessarily mean that a LB of the same diameter
can handle the same size conductors.
at an upcoming
installation where I would like to use 1-1/4 EMT, but will need 1-1/2
conduit bodies to be ok with wire fill.
-Hans
_
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco
Mangelsdorf
Sent: Thursday
There are two situations one can find when working on three-phase AC
systems: a clockwise or counterclock phase rotation.
Is it correct to assume that a CW rotation would be color-coded (for
120/208V) from left to right black-red-blue while CCW rotation would be,
say, red-black-blue?
Or
What is your no. 1 preferred PV module manufacturer and why?
I'm not looking for a dissertation, but a sentence or two.
And while I'm at it, how about inverter manufacturer as well?
I'll tabulate all the answers for those interested.
Thanks,
marco
One point of clarification regarding SunPower Corp. and WEEBs having just
had communication with them today on this subject.
SunPower has yet to officially approve/sign off on the use of WEEBs with
their metal-framed modules.
They have been exploring the issue but have yet to give their seal of
Check this out.
Four series strings of mods on a same plane roof feeding a larger Sunny Boy
or Fronius inverter.
Four #10 conductors for the ungrounded, fused (at the inverter) conductors.
And for the grounded conductor, a single, common, larger conductor from
those four strings.
So
A 30-year-old PV installer fell to his death back in April at job site in
CA. He backed off of a roof accidentally and was not wearing any fall
protection.
I have the official report of the accident, but the multi-state
full-service solar provider that has approximately 650 employees was not
I'm looking for an old (as in late 1990s vintage) PM-60 48V charge
controller, the kind that Pulse/Connect Energy used in their PC 250 load
center.
Please to contact me off-list if you might have one in good working order
lying around somewhere.
Thanks,
marco
Bill B. wrote the following:
Ungrounding the array requires additional fusing and disconnects, but the most
significant difference is that the module wiring and all external cable must be
PV Wire/Cable. Therefore only modules with PV Wire/Cable can be used in these
systems. You must confirm
to double-insulated tools in the U.S. that do
not require a ground wire.
Bill.
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco
Mangelsdorf
Sent: Friday, October 01, 2010 11:09 AM
To: 'RE-wrenches'
Subject: [RE-wrenches
Anyone else having a hard time getting a hold of warranty replacements from
Schneider for the Xantrex GT series inverters?
What are they doing as far as warranty replacements? Waiting for bad ones
to come in so that they can fix them and send them out again?
I've got a customer who has
Could someone please provide me with that generally accepted equation when
it comes to estimating AC output from a PV array versus the STC rating?
That is, I'm looking for that equation which estimates the losses due to mod
mismatch, soiling, wire losses, etc., etc. I've got someone who
On Tue, Oct 12, 2010 at 6:17 PM, Marco Mangelsdorf ma...@pvthawaii.com
wrote:
Could someone please provide me with that generally accepted equation when
it comes to estimating AC output from a PV array versus the STC rating?
That is, I'm looking for that equation which estimates the losses due
SolarWorld is pushing hard its 245-watt module with the claim that it has
won the Photon mag module competition in 2008 and 2009 (compared to several
other manufacturers).
I can send the spec sheet to anyone who wants it. It states on the front
page: SolarWorld only delivers modules that
Anyone know who might have an available box or two of Enphase 210s @240V,
please contact me off-list.
(I don't care about the connector type.)
Thanks,
marco
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I just don't understand it.
Lots of people-from reporters to homeowners-consistently refer to the AC
voltage in their homes as 110/220.
Where does this come from?
If North American utilities were putting out power at that voltage range,
they would be in serious trouble.
Anyone able
In places like California, and other states as well I'm sure, a PV
integrator needs to provide a bumper-to-bumper system warranty of what? 10
years.
I'd like to know if many, or any, of you all put aside any money to cover
your future warranty liabilities. (I don't.)
My belief is that we
I'm looking for a used, and still working properly, Trace/Xantrex SW 4024
with 120V/60 hZ output.
Please contact me off-list if you have a lead or two for me.
Thanks,
marco
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Does anyone know if there's any reason why one couldn't do a single string
using, say, six Enphase 190s with six Enphase 210s?
The max in series for the 190 is 15 while it's 13 for the 210. I would
think it would be OK to mix 'em.
Thanks,
marco
Now that SMA has come up with their new 8, 9 and 10 kW transformerless line
of single-phase 120/208V inverters, it brings up the question once again
about how practical and wise it is to have one or two of these inverters
feed into a three-phase service. That is, is such an unbalanced feed much,
I'm starting to use the SMA SB transformerless 8-10 kW inverters.
It appears that the new SMA 6-circuit combiner box is being included
whenever I order one of these buggers (at least from my distributor).
Does the double insulated PV wire have to be used all the way back to the
inverter?
Could anyone please pass on the name of a manufacturer or two which produces
this wire?
Thanks,
marco
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I'm looking for a Pulse 250 power center complete with PWM 60A charge
controller, DC and AC switches.
Anyone have one in good condition collecting dust in their garage or
warehouse?
Thanks,
marco
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Would anyone be willing to tell me what they're paying for Sanyo mods these
days?
If so, please send me an email off-list.
Thanks,
marco
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I don't do much off-grid no mo' and would appreciate some advice.
I've got a client who's going to be purchasing a power panel with either an
OutBack 3648 or Square D/Xantrex 4548. Also included would be the AC and DC
switchgear integrated into the panel as well as either the OutBack or
To those of you installing Enphases.
Other than their 210 only working with Sanyo and SunPower modules, the vast
majority of other mods only work with the Enphase 190.
Question: what's the max size module that you're comfortable using with the
Enphase 190?
In there here parts I'm
Have any of you SunPower dealers used their modules with the fairly new SMA
line of transformerless inverters (8, 9 and 10 kW @ 120/208 only)?
I'm trying to get a compatibility answer directly from SunPower tech
support, but am wondering if any of you have tried this combo.
Thanks,
marco
I’ve used that line, Tom, with non-SunPower mods.
Those three models definitely should NOT be used with SunPower modules due to
the fact that there’s no grounded current-carrying DC conductor in the circuit.
marco
Have any of you SunPower dealers used their modules with the fairly
Yes, very sensitive to nearby EMFs.
And the bugger mistakes clouds for shading!
marco
Wrenches,
I'm considering upgrading my old SunEye 100 to the model 210 this year. Even
with the trade-in credit, the 210 costs more than the original SunEye did.
I'm interested in hearing from those of
Is anyone getting reimbursed from Schneider for the replacement cost for the
recalled GT series disaster line?
We have yet to get response from them when we pose this question.
And has anyone seen one of these buggers smoke or blow off the cover?
Thanks,
marco
In the March issue of Photon magazine it's being reported that Sanyo's HiT
modules may be suffering from MWs worth of failures.
If you're unable to track down the article on-line, let me know and I can
send you a PDF version.
marco
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Esteemed colleagues,
Regarding the Sanyo problems, I was mistaken.
They're having problems with their HIP models.
I'm seeking clarification from the author of the article who I know to see
whether there have been any HIT problems as well.
My apologies.
marco
I know that Michael Welch does not like when we Wrenches goes down the road
of advocacy, but I wanted to put in a plug for John Wiles.
The federal funding that has supported John's time and availability to the
PV industry has been cut. I for one have relied on John as an invaluable
resource
The info originally posted to be able to contact John's boss and voice
support for continued funding was incorrect.
Below is the correct info.
To those of you who feel inclined, please send an email to Andy Rosenthal.
marco
Andrew Rosenthal
New Mexico State University
3705
Does anyone know if Fronius is actually shipping their higher output IG Plus
line? Do any distributors actually have some on their shelves?
Thanks,
marco
Marco Mangelsdorf, Ph.D., President
Electrical Contractor License C-26351
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934
I know that it's an oddball size, but I'm looking for a 300A indoor,
surface-mounted 120/240V distribution panel.
Anyone know of an available model and manufacturer out there?
Thanks,
marco
Marco Mangelsdorf, Ph.D., President
Electrical Contractor License C-26351
69 Railroad Avenue, A-7
Hilo
Peter,
Would a #12 2 self-driller with a carbon steel shank and stainless steel
hex head with attached washer do?
I use the T-5 Scots screws that I get from Dynamic Fasteners.
I use them to attach ProSolar al. mounting rails directly through roof metal
and into a 14g or 16g z-bar purlin.
(I use
The renewed and expanded ITC..does that still maintain the 20-year max limit
to be able to claim that tax credit?
Thanks,
marco
cid:image001.jpg@01C6D004.C865A8F0
Marco Mangelsdorf, Ph.D., President
Electrical Contractor License C-26351
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808
In Hawaii, we have a lot of steel-framed buildings with z-bar steel purlins
supporting the metal roof. My attachment means of choice is using T-5
screws (#12 x 24 threads per inch). These buggers are self-drillers with a
carbon steel shank and drill point and stainless steel hex head cap with
I'd appreciate getting in contact with all SunPower Corp. dealers on the
List.
Please email me off-list.
Thanks,
marco
cid:image001.jpg@01C6D004.C865A8F0
Marco Mangelsdorf, Ph.D., President
Electrical Contractor License C-26351
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969
Does anyone have any used, working SMA Sunny Beams that they'd be willing to
sell or know of any anywhere?
Thanks,
marco
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
http://www.provisiontechnologies.com www.provision
Any of you have experience with the new Fronius IG Plus inverters in the 8
kW to 12 kW range?
Good, bad, beautiful, ugly?
Thanks,
marco
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
www.provision-solar.com
Compared to the first five months of last year, how would any of you who
care to respond compare your year-to-date sales in 2009?
Thanks,
marco
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
www.provision-solar.com
Travis,
Given the high cost for electricity here in Hawaii and both the federal and
state tax credits available here, we've had a pretty solid 2009 so far and
been at about the same revenue level as last year. We're a very small
market out here compared to other states. And we're starting to
I'm seeing ~ $2.60/watt from a major Chinese manufacturer for a modest
volume purchase.
What are you all seeing as far as $/watt?
marco
Joel,
Since late last year we've been stocking the Yingli 175w single-crystal
modules. They seem dependable, haven't heard of any problems with them.
Earlier
I second a lot of what Peter says. And believe that it ain't gonna get
nuttin' but worse over time as grid-tie PV becomes more mainstream. I think
it's pretty much inevitable that a serious fire or two or serious injury or
death or two due to incompetence and a poorly installed system is gonna
In order to get the 30 percent federal grant rather than the 30 percent ITC,
is there any requirement that the equipment used be American made?
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281
with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
http://www.provisiontechnologies.com www.provision-solar.com
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I'm looking for some of those old-style fuseholders for the Pulse brand
combiner box.
I could use a half dozen of them.
Anyone have any out there that they would be willing to sell?
Thanks,
marco
provision_highres_solar_logo2_final
Marco Mangelsdorf, President
69 Railroad Avenue
Canadian Solar modules are most definitely made in China.
I guess they couldn't get away with branding American Solar and probably
didn't want Mexican Solar. Heck, everyone likes Canadians. The Strong
frame is not very rigid and flexes too much like most Chinese modules.
- Original
And REC Solar had HUGE recall earlier this year to the tune of tens of
millions of .
marco
No, IMHO.
A polycrystalline module is never going to be top shelf.
First Quality would be Sunpower, Solarworld, Sanyo,
Check the new CEC module ratings. Apparently most modules were
Can anyone think of a more brutal environment for a piece of electronic
equipment than under a solar module which day in and day out experiences the
elements and temperatures of 130+ plus F?
Despite any so-called accelerated life-cycle testing and estimated mean time
to failure probabilities,
The common metric for many consumers when considering a PV system purchase
is the $/watt cost of the installed system. This misleading metric allows
low-priced bottom feeders (those licensed and unlicensed contractors working
out of their garage or storage spaces) to clobber those of us who pay
Hence the need to be able to present objective, 3rd party-collected
performance data demonstrably showing the superior performance of one brand
over another.
marco
Marco:
Good point, but how does a consumer quantify the expected long term harvest
and reliability of a solar electric
poles like the SMA Sunny Boys.
I'd appreciate any education on this.
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
http://www.provisiontechnologies.com www.provision
Mr. Cinnamon's company, Akeena Solar, has accumulated over $48 million in
losses from 2006 through Q3 2009, according to public documents since
they're a publicly-traded company (http://ir.akeena.com/annuals.cfm).
He now apparently believes that he can turn a profit by commodifying PV
through
Anyone know what the max rated output of the his new bugger will be?
For the Enphase M190 it's 199 watts and 219 watts for the M210 according to
our inphase Enphase friends.
I'm wondering if the new M215 will also have some higher than nameplate max
continuous rating.
Thanks,
marco
Anyone make sense out of this from the M215 spec sheet?
This model would seem to be able to accommodate a wider range of 200 series
mods out there as far as input DC voltage, which is good.
And yet how will the 215 perform with those modules which have a MPPT
voltage from 37-45 since
I'm looking for a 30-circuit combiner in a NEMA4 non-metallic enclosure.
Any suggestions?
Thanks,
marco
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What's the feedback on these Tigo buggers? I'm not talking about sites
where shading is an issue, but a nice big commercial roof with no shading.
Specifically, I'm talking about a 400-module system feeding into a single PV
Powered 100 kW inverter.
Anyone have an opinion whether spending
-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco
Mangelsdorf
Sent: Wednesday, June 08, 2011 7:59 PM
To: 'RE-wrenches'
Subject: [RE-wrenches] Tigo to go?
What's the feedback on these Tigo buggers? I'm not talking about sites
where shading is an issue, but a nice big commercial roof
I'm looking for a bare-bones, cheap (hah!) web-based monitoring system for
three-phase systems using either Satcon or PV Powered inverters.
I'm having a hard time finding any package (it doesn't have to be bloomin'
revenue-grade) under $3,000.
Anyone know of anything reputable and lower
Yes, you're in the ballpark.
marco
Hello Wrenches,
My employer has the inside track on a 1MW install on .5/12 standing seam
metal roofs (two separate roofs). This is by far larger than anything we've
designed so I am looking for a ballpark cost/watt. I'm at around $4/watt. I
realize
Anyone have the manual or spec sheet in an electronic format that they could
send me, please?
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
http
I'm s bummed out that SMA has removed their handy and easy to use string
sizing tool from their website and replaced it with a cumbersome monster of
a design program. (Yes, at my age I do struggle with having to learn yet
another bloomin' program.)
Does anyone know if there's some magic
?
Thanks,
marco
provision_highres_solar_logo2 with C-26351
Marco Mangelsdorf, President
69 Railroad Avenue, A-7
Hilo, Hawai'i 96720
(808) 969-3281, 934-7462 facsimile
http://www.provisiontechnologies.com www.provision-solar.com
image001.jpgimage002
OK, I guess that it had to happen someday. I call Uni-Solar in Michigan for
some basic product info only to be told that their sales dept. does not take
any phone calls, that any inquiries have to be done on-line. Being in the
customer service myself, like pretty much all of us, it is beyond
According to my discussions with Enphase on this subject, the M215 can
actually put out 225 watts continuous.
Marv? Please confirm.
marco
The inverter should be current-limited on its output. The other Enphases
have a higher output power than rated (199 @ 190, 219 @ 210, if memory
serves
A bit off of the solar subject.
Any recommendations for a new roof that would be an acceptable means for
collecting drinking water?
Thanks,
marco
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In 2008, about 200 Net Energy Metered systems went in on this Big Island of
Hawaii, where I live. About 400 in 2009 and over 800 in 2010. The same
increase in adoption rates took place across the Aloha State.
I think that the next two years or so will bring a stop to this kind of
growth most
Us old-timers remember the dismemberment of the then big ARCO Solar grid-tie
project down in So. CAL. In the 1980s and the parting out of that project in
dribs and drabs for years.
I was wondering recently with all these ever so big and getting bigger
grid-tie projects sprouting like mushrooms
For the first time, several weeks ago, after 40-50 Enphase installs, we've
come across at least two M210s that we putting out consistently lower
outputs than their immediate neighbors.
We replaced the two mods first, which made no difference. Then, in
consultation with Enphase, replaced the
Anyone been able to lay their hands on a preliminary spec sheet for the new
SMA micro inverter?
Also, anyone install the SolarBridge Pantheon micro yet? Feedback?
Thanks,
marco
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Does Sharp still make those quasi-triangular mods?
Thanks,
marco
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