It's my understanding that shingles would not be included, just as you
can't build a house and then claim that it's a 5kW PV rack, for an
$80,000 tax credit. The act of installing PV doesn't necessarily require
that the shingles be replaced.
Electrical panel work may be OK if, say, you're putt
Roof work (including shingles, flashing, strengthening rafters, etc.),
structural work, civil work (excavating, trenching, etc.), fencing and
signage, electrical changes and upgrade, design work, permit costs,
interconnection costs, etc. everything required to install the system should
be speci
Aloha Wrenches,
I have recently started working in Hawaii on the island of Oahu and have
run into some interesting problems with the AHJ's. The biggest issue is
nobody is allowing line side taps on the island, so most of are larger
systems are requiring service upgrades, this also requires replaci
Wrenches,
I am doing a job for a customer installing a ground mounted array about 250'
from his existing battery bank. Array is:
- Vmp: 87.9 V
- Imp: 47.1 A
- Classic 150 controller
The customer already owns (hence the choice of the 150 over the 200 or 250
controll
Being DC, it's a round trip for the electrons. Fat pipe one way and thin
pipe the other will work. Calculate the drop for 250' of 3/0 and add the
drop for 250' of twice the circular mils of 3/0 and you have it. Offhand
I'll say it is 1.875%.
As for the code issue, I don't see one, as long as t
Looking back a lot of years I remember running 24 vdc 150' with [4] 4/0 THHN
cu for an array feeders for about 1.5K of 75 watt PV modules. Just the lay
out could have crippled you before lunch.
Perspective and forward progress is a wonderful thing.
#6 ain't diddely we would have begged for the o
Isn't there a per watt cap that would tend to
prevent major maintenance costs being included?
At 10:10 AM 5/17/2012, you wrote:
Roof work (including shingles, flashing,
strengthening rafters, etc.), structural work,
civil work (excavating, trenching, etc.),
fencing and signage, electrical ch
This would be a good time to remind the group that even though discussing
Federal incentives does not go against the guidelines for this list, there are
seriously knowledgeable policy and incentives folks on our sibling list,
RE-Markets.
I think you'll find it better and most trustworthy to pos
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