Hydro & Outback [RE-wrenches]

Keith Cronin keith at islandenergy.net
Tue Feb 15 17:10:18 PST 2005


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Bob

Yes, it is off grid.

The main house (6000sq ft) hasn't been built yet and neither has the pool
(3HP with water features). No heating yet, but I am confident it will be a
sweet luxury. Well pump 1.5HP. most other appliances propane.
There is another motive for the hydro- coffee plantation.
So, this might be a larger than 3kw. They have a hydro guy who has worked on
the systems for the local farm magnates here for the last 20 years and he
seemed quite knowledgeable. Where this place is, is the wettest place on
earth- Kauai. Water always flows their. 

Bob they are the typical off gridder that I meet here (or on gridder). They
never know how much they will spend (sounds like our gov't) on their energy
requirements. (The ubiquitous 3-4 bedroom home 2 car garage, 2 kids).

I try often to use the analogy- where do you like to shop- Kmart or Neiman
Marcus (Needless Markup)(or substitute in the store in your area where you
can't afford to buy socks in). 

 

-----Original Message-----
From: Bob Maynard, Energy Outfitters [mailto:bob at energyoutfitters.com] 
Sent: Tuesday, February 15, 2005 2:50 PM
To: RE-wrenches at topica.com
Subject: RE: Hydro & Outback [RE-wrenches]


Keith,

Is this an off grid client?  The genny leads me to believe they are but
the term interconnect caused me to wonder.

How much hydro potential do you have to work with?

How much power do they really need above and beyond the 7.7 kw of PV?

How do they heat their domestic hot water and pool now?

As for AC or dc hydro, my general rule of thumb is 3kw and less go dc if
batteries exist already, which they do here.  Over 3kw go AC.  The big
caveat being how much the water volume fluctuates seasonally.  

Regards,
Bob Maynard
Energy Outfitters

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