Some States are absolutely nuts on ground source heat pump regulations. In 
Idaho there's no special regulations (AFAIK) on open loop ones. Take water in 
(from a well or city supply) and dump it in the open, down a storm drain or 
into a body of water, or put it down another well. Seems rife with 
possibilities for contamination. But if you want to install a closed loop 
system that *seals away* the working fluid from the environment and ground 
water, that's when you get into some complications. I think they have their 
regulation priorities backasswards.

Alternative/renewable energy setups tend to go about things in a 'one thing 
does all' system where all the energy is collected from one source (like a huge 
PV array) then stored in one place (a single, large, battery bank). then they 
have a complicated system to convert voltages and AC and DC etc to all the end 
To me that's just crazy. If you're using sun tracking (for PV or solar thermal) 
don't tap the energy for the tracking system from the collector. Install a 
small PV panel on each collector (or for small groups of them) so that the 
tracking power and control is completely independent from the main collection. 
Same for any liquid or gas pumping needs. Put in little PV panels to run each 
Split up the battery bank so there are sections optimized for each type of 
load, at least one optimized for lighting (which for off grid should all be low 
voltage LED) and one for the high power stuff like heating and cooking 
appliances. Then you won't end up running out of heating power by running the 
lights, or you'll still be able to nuke a burrito (and keep it frozen before 
nuking) even if you're out of light power. The different battery banks could be 
configured for easiest conversion to the needs of the loads drawing on them.

The energy collection could likewise be segmented to match each battery bank. 
Then you'll have a system that won't ALL go down if one critical component 
fails. If a sun tracker on one collector conks out, then that's *one* collector 
out while the rest still work. If the power converter for the light battery 
dies, then you're only out your lights instead of *everything*. Put all the 
components on a wall like this guy has his network equipment, label everything. 
Tour of my home network.

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Tour of my home network.

As requested by several viewers, I've made a little walk through of my home 
network. You get to see some other p...



    On Sunday, April 15, 2018, 10:05:56 PM MDT, jeremy youngs 
<> wrote:  
 The biggest thing to do is to reduce the power needed , as to heating and
cooling gshp is the way to fly , and I'm in progress on that and it will
likely be linuxcnc controlled. As to 12 volt only temporary and mobile
systems should be 12 volt, that's why I'm at 48 and would go higher ify in
Stock equipment would allow, it's also why I will be running a 22 horse
Lister diesel.
I agree going off grid is hard , I have been at it 5 years. And can't
overstate reduction of necessary power is absolutely key.  
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