cost per kw installed [RE-wrenches]

[Graham Owen]

I believe the average cost for residential non-battery grid-tie PV in
California is about $9.50 per Watt STC.  Most of my installations were
installed for $10 per Watt, but the cost of modules had been decreasing
and I have lowered my prices to about $9.00 a Watt.  Larger systems
typically cost less per Watt to install. There are guy's getting as much
as $13 and some charge as little as $7.50.  I would estimate that 85% of
residential roof's are pitched and as Allan mentioned flat roofs take
more time and racking expense.  The installation I am working on now is
a residential ground mount with 88 SP-140's installed for $100,000 with
a $60,000 LADWP rebate. I use racking systems from www.rooftrac.com

Graham Owen
GO Solar Company
www.solarexpert.com


-----Original Message-----
From: Allan Sindelar [mailto:allan at positiveenergysolar.com] 
Sent: Thursday, January 30, 2003 7:20 PM
To: RE-wrenches at topica.com
Subject: Re: cost per kw installed [RE-wrenches]


Last year we installed 2.8 kW on two Wattsun trackers with an SB2500D
for $30K. That included several site visits (120 miles RT), some AC
service rewiring, permit and interconnection fees, tax, etc. It excluded
pole installation. Another job used 1.2kW on a Wattsun tracker, also
with SB2500, and infrastructure (pole, conduit, tracker power supply
feed, etc.) for adding a second tracked array later, with 175 mile RT
and per diem for the crew, for $15.8K. A flat roof job was 1.5 kW with
same inverter for $15.7K. Our first batteryless GT system (installed on
9/11/00) was 2.24 kW and two GC-1000s, installed without roof
penetrations using 6X12 sleepers on a flat roof for $27K complete. So
that's $10.4-13.2K/kW. We lack the pitched roofs in New Mexico, so all
of our racking and mounting is custom to each job. Very different story
than California installs, I would guess! Allan at Pos E


> Hello Wrenches
>
> I am mostly looking to the California crews for approximate cost per 
> KW installed in your neighborhoods.  I recognize that you are doing 
> more on a daily basis which would allow you to lower your installed 
> cost per watt.  I am personally trying to get this happening on a 
> larger scale in Hawaii.  We don't currently have the incentives that 
> you folks have with juicy rebates. We also have shipping costs and 
> higher costs of living here to contend with.

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