Regarding the clipping, which the power electronics guys would rather I
call "power limiting"...
To be clear, "Longer 100% production around noon" (implied in that image
that this is somehow beneficial) means "this system could have produced
more energy but didn't because the inverter was too
My CPA said that for residential customers, the credit could be carried
forward until the year the credit expires (2016)
Carl Adams
NABCEP Ceritifed Solar Installer
Sunrock Solar
On Tue, Feb 10, 2015 at 12:54 PM, Kristopher Schmid
wrote:
> I am interested in the answer to your question, Kirk.
I have to share Jays experience here. I have lost track of how many OB
inverters and charge controllers I have installed since OB hit the scene.
I have never had a dead unit out of a box and have only had to swap out 4 sets
of circuit broads over the years(mostly due to lightning related). I ha
It's amazing how different our experiences are with the same equipment!
I've installed hundreds of outbacks, and fixed my share to be sure. But they
are the only one I know of that sends just boards and that you don't have to
send the inverter back ( offgrid ). In the dozens of rebuilt outbacks,
Hi:
One thing to keep in mind with clipping, (module over sizing), is that if
a system has 10%-15% off clipping, that will not affect total annual
energy harvest and depending on dust and temperature conditions will
likely even improve it.
Heres' a graph which shows the energy harvest graphica
Chris,
I have done this in the past. WI incentives used to require NABCEP cert.
Looking back, i probably undercharged. Given that you are putting your
reputation and certification on the line and therefor will need to be
involved in design, planning, and inspection, i think that a percentage of
I am interested in the answer to your question, Kirk. If you find it
somewhere other than on this thread, can you please let me know. I have
heard 5 years, but not from a CPA.
Thanks,
Kris
On Sat, Feb 7, 2015 at 2:43 PM, Kirk Herander wrote:
> What is the length of carryover for the Federal t
That would be at the 120% rating, so by rule of
thumb, OK. I have a ground mount that has a
ration of 1.15% with M-190s (figuring 199 W /
inverter). It has quite a bit of clipping in the
spring. It has optimized tilt for the location. A
ballasted roof mount with a 10 or 15 degree tilt
likely
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