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The first 2,000 kwh

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Posted by Tom P on July 19, 2011, 1:06 pm
 
Our little grid-tied roof installation just went past 2,000 kwh. Despite
cool rainy weather over the last month, in just over 6 months operation
the installation is generating 25% above planned capacity.


Posted by Dawlish on July 19, 2011, 1:23 pm
 

Good to hear. The first was installed in a house near ours a few weeks
ago. I'm seriously considering. It costs about 900 per panel and we
can fit 9 on the south facing portion of our roof (wish the biggest
part of our roof faced South, but it doesn't!) The payback is around
900 per year on that kind of installation; maybe, as you say, a
little higher. That looks a good investment of about 8-9000. I can
see many, many houses having that kind of array in 10 years time,
feeding a significant amount of power into the grid - with much more,
as fitting solar panels becomes compulsory in any new builds, probably
after 2018.

Or a denier could bet me 10K that temperatures won't hit a record
within the next 5 years and give me an even easier and quicker return.
But the hypocrites won't.


Posted by vaughn on July 19, 2011, 1:35 pm
 

I envy you.  I am the sort of guy who might have a system like that, even though
the my business eduction informs me that they seldom make economic sense.  But
nagging details get in the way.  Unfortunately, I live in hurricane country,
which raises engineering and insurance issues with PV installations.  Further, I
know that many do it, but I just can't bring myself to drill holes through a
perfectly good roof.

Congratulations!
Vaughn



Posted by Jim Wilkins on July 19, 2011, 2:44 pm
 
I installed galvy pipe supports on leveling wedges waterproofed with
the boots that seal drain vent stacks. Perforated strapping slid up
under the shingles catches downward sliding forces.

I made a shingling mistake that allowed water above an ice dam to leak
in too easily. It didn't happen until the day after my paid-off
mortgage arrived by mail and was sitting on the kitchen table, under
the leak.

jsw

Posted by m II on July 20, 2011, 3:29 pm
 Home insurance companies are becoming concerned and could end up not
insuring homes with solar panels on the roof. They don't like it when the
firefighters stand back and watch your home burn.

http://www.nctimes.com/business/article_8a32fb03-9e3f-58ca-b860-9c7fe1e28c7e.html

-----------------------------


"Jim Wilkins"  wrote in message
I installed galvy pipe supports on leveling wedges waterproofed with
the boots that seal drain vent stacks. Perforated strapping slid up
under the shingles catches downward sliding forces.

I made a shingling mistake that allowed water above an ice dam to leak
in too easily. It didn't happen until the day after my paid-off
mortgage arrived by mail and was sitting on the kitchen table, under
the leak.

jsw



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