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Author Topic: Anyone using solar, wind or living off grid?  (Read 6835 times)

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Offline moonhill

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Re: Anyone using solar, wind or living off grid?
« Reply #20 on: April 06, 2009, 06:30:40 AM »
Maybe we need a regulation saying it is ok to swap one smart one for 5 stupid regs, that would get rid of 4 regs. 

I also see that the roof top PV system as I have outlined has plenty of room for improvements, adding hot water to the system would be fine by me.  We have the technology it just need to be implemented.  I wonder if water flowing over the surface with a collection system and tank would keep the system cool and efficient. 

At what temp does PV's start to loose out put?  Is it gradual or is there a tipping point?

Tim
This is a test, please stand by...

Offline Fla._Deadheader

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Re: Anyone using solar, wind or living off grid?
« Reply #21 on: April 06, 2009, 09:02:21 AM »

 I was selling-installing, back in the 70's-80's. Seems that I recollect someone doing a water-cooled panel. Don't remember much more, though ???

  It was all mostly experimental in those days.

  On the subject of being harsh, We sold Solarex brand, and they made everything in-house, using Solar as their only power supply, in the factory. Factory was in Maryland??? I believe ???

   Might have to dig out their brochure I saved.  ;D
All truth passes through three stages:
   First, it is ridiculed;
   Second, it is violently opposed; and
   Third, it is accepted as self-evident.

-- Arthur Schopenhauer (1788-1860)

Offline Lumbergent

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Re: Anyone using solar, wind or living off grid?
« Reply #22 on: March 17, 2018, 07:16:01 AM »
It's been suggested by my solar supplier that its wise to rewire the living quarters as much as possible with multistrand wiring and use DC power directly without an inverter. I did this in my tree house which is completely off grid and have reduced consumption. We still need to add solar panels to compensate for rainy and cloudy days.
Futur Hobbit

Offline RjMaan

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Re: Anyone using solar, wind or living off grid?
« Reply #23 on: March 26, 2018, 06:05:24 AM »
My relatives have installed the solar panels for their full two story house. They have used large dry batteries for them. Initial the investment was high but in the long run it will save their a lot of money because they are not paying for electricity charges to the government.

Offline JRHill

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Re: Anyone using solar, wind or living off grid?
« Reply #24 on: December 14, 2019, 11:07:16 AM »
We've been off grid for 10+ years and have two separate systems:

-Well: Grundfos 11-SQF-2 pump, controller & AC switch (CU200, IO101), Tristar 45 Controller, 780w SunTech 195, Trojan golf cart batteries.
-House: Outback FM 80, VFX 3648, FlexnetDC, FlexWare xformer, Mate 3 / Hub, WattPlot, 2925w SunTech 195, Trojan L16RE-B Batteries. Backup 1: Honda EU7000is w/2 wire auto start via the inverter aux relay, backup 2: 11kw Miller Bobcat.

I thought it was important to have the well as an independent system 'cause if we don't have water we can't be here. And the Grundfos pump will take about any power, AC or DC, 40 to 300 volts, you can throw at it.

One of the biggest cost wastes has been on generators. Too small too big, too inefficient, spoiled fuel in storage, etc. Finally, I have the best options in place for power needs and efficiency. A close 2nd is batteries. My 1st bank was changed out at the 5+ year point and that was a disappointment. The batteries were still working but tired. It turned out I did not have my charge settings correct out of fear of overcharging them. Wrong. The replacement bank was working great until I had one of three cells in two different batteries fail about the same time recently. I'm still resolving that problem.

We can't do hydro or wind here. Wrong location.

Its an on going education, for sure.


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