Here we go again![RE-wrenches]

[Daryl DeJoy]

    Approximately 50% of our installations are battery based, some grid
tied, others off grid entirely. These two types of systems require not
just knowledge of the system components with all their different
parameters but also a serious understanding of battery physiology.
Much of what I have learned has been over the last twenty years of
experience working on various systems, calls to Surrette and others,
and even my fellow installers.
    The majority of service calls we are now on involve systems installed
by others, self proclaimed experts who have not put in the time, money
and installation experience, as well as industry training, to learn
what they should.
    The gold rush mentality Jeff is referring to is real and undoubtably
will blacken our industries eye to some degree. It certainly hurt the
solar DHW industry in the 70's and it seemed like it took that
industry 20 years to rebound. I can only say that, having put in my
years in the school of hard knocks, I am hoping we will see sustained
growth, not mistrust of the general public, as this trend plays
out......

Daryl DeJoy
NABCEP Certified PV installer
Penobscot Solar Design





>
> For those of you not around during the 1970's when anyone with a pipe
> cutter was installing solar DHW systems just to get a Federal tax credit
> regardless if the systems worked or not, it looks like the same thing is
> starting to happen in the solar pv business.
>
> I just received a call from an upset homeowner in another state who was in
> the final stages of ordering a residential grid-tie pv system when he
> decided he also wanted battery backup. He knew this would require some
> wiring changes and a different inverter, but when he asked the "solar
> dealer" how much this change would add to the cost of the proposed
> grid-tie system the dealer told him - "we cannot do that because it would
> void the warranty".
>
> I have been concerned for some time that with the ease of installation for
> most grid-tie systems, more and more installers will be moving into the
> market having little or no training. Yes, many systems are grid-tie and
> require little or no inverter programming or setup, but there will still
> be battery-based systems for years to come and pv installers need to know
> how to install them and be able to deal with the many other system
> variations that are sometimes required.
>
> What say yea?
>
> Jeff Yago
> DTI Solar
>
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