Solar power & Wind Power for residental use

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   / Solar power & Wind Power for residental use #361  
One last try. I am opposed to subsidising any industry. I do not believe that either wind or solar, or a combination of them both can supply 100% of the power needed to keep a grid operational. I am not a "greenie". Switching to as much wind and solar power as possible will not "save the planet" - whatever that means. Everybody understand that? Good.

Now put your spare time to some use and campaign to have the subsidies stopped on ALL forms of electricity generation. And in fact all subsidies to all industries. Unfortunately you will be wasting that time, because it is not going to happen, so we all have to live with the fact. Ask your political representative why.

If I remember correctly, I think a grid has to be maintained within an extremely small tolerance. This obviously means there has to be sufficient available reserve to be able to do that. So in turn that obviously means having generating capacity that can be switched on irrespective of the weather. I know that already, hence my knowledge that wind and solar cannot supply 100% of electric. I am not sure why it has to be, because we all experience disruption to many things in our lives - why cannot we expect the occasional few minutes blackout from time to time? Because most people out there are unable to function without permanent access to electricity, and politicians have decreed that it will be so. The same people who have decreed that there will be subsidies to certain industries.

As it happens I do have blackouts from time to time. It was the same when I farmed in Australia and for similar reasons. Almost always just a few seconds to a few minutes. It can be for longer, but rarely and not more than about once a month. When I signed up to my electric contract I accepted that. I am on the very end of a long line and in the category where power is not guaranteed to be always available. I accepted those terms because I liked the look of the place, so bought it. Most people would not accept that situation, or would be continually grumbling about the poor service. That is the modern way of life. I have had to generate my own power on another farm. I choose to live in these places so accept what is available and make do. Gey few others would be prepared to do so.
 
   / Solar power & Wind Power for residental use #362  
Why does my electrical bill run 18 cents per KW hr even though the wholesale average is 2-3cents?

And what was your rate vs wholesale before wind/solar?

David Sent from my iPad Air using TractorByNet

Does anyone remember what their kwh rate was before ENRON and their hijinks? Not so sure a lesser variation of that manipulation hasn't crept back into the industry. Could explain some of the huge variation between kwh rates in different areas of the country. Oh, btw, that occurred prior to the recent uptick in wind and solar production.
 
   / Solar power & Wind Power for residental use #363  
Before green power less than a decade ago . My power bill ran 8-9 cents instead of 18+ cents now. Whole sale grid price then ran 3-12 cents . Generators and distribution made enough $$$ to keep equipment in top notch condition.
 
   / Solar power & Wind Power for residental use #365  
Molten salt makes an excellent neutron transparent heat transport fluid for nuclear reactors .

It is nearly three weeks since you posted this, but I remembered it from when I read through the whole thread. I have no "hidden agenda" in this, I am genuinely interested in the possibility of these salts (I understand a mixture of Sodium and Potassium Nitrates) as thermal storage. Is that how it is used in nuclear - thermal storage? Apparently a common use is to drive steam turbines. The salts are stored at temperatures above 1000F/560C and then use the heat to make steam to drive the turbines. Is this storage of heat a goer (in your opinion) as a means of providing power? I know there was an Australian university last year got a lot of air time because it was freezing the salts using off-peak electricity and then releasing the coolth in the salts to provide cooling for A/c and meat storage. That seemed very inefficient to me.
 
   / Solar power & Wind Power for residental use #367  
It is nearly three weeks since you posted this, but I remembered it from when I read through the whole thread. I have no "hidden agenda" in this, I am genuinely interested in the possibility of these salts (I understand a mixture of Sodium and Potassium Nitrates) as thermal storage. Is that how it is used in nuclear - thermal storage? Apparently a common use is to drive steam turbines. The salts are stored at temperatures above 1000F/560C and then use the heat to make steam to drive the turbines. Is this storage of heat a goer (in your opinion) as a means of providing power? I know there was an Australian university last year got a lot of air time because it was freezing the salts using off-peak electricity and then releasing the coolth in the salts to provide cooling for A/c and meat storage. That seemed very inefficient to me.

Molten salt is a Neutron transparent heat transport fluid for nuclear reactors.
Why store heat with the costs and space required due to low density. When the reactor can be just dialed up and down to control heat.
 
   / Solar power & Wind Power for residental use #368  
Molten salt is a Neutron transparent heat transport fluid for nuclear reactors.
Why store heat with the costs and space required due to low density. When the reactor can be just dialed up and down to control heat.

There is an important advantage in using molten salt as a coolant in nuclear reactors. While there is no reason to have heat storage for the electric generation function, it adds significant safety margin very economically. Conventional water reactors need means to remove the heat from the water to prevent it from boiling off and leaving the fuel vulnerable to melting. The salt has so much more heat capacity that the need for heat removal is significantly reduced. Salt cooled reactors can easily be "passively safe" or even "walk away" safe.
 
   / Solar power & Wind Power for residental use #369  
   / Solar power & Wind Power for residental use #370  
There is an important advantage in using molten salt as a coolant in nuclear reactors. While there is no reason to have heat storage for the electric generation function, it adds significant safety margin very economically. Conventional water reactors need means to remove the heat from the water to prevent it from boiling off and leaving the fuel vulnerable to melting. The salt has so much more heat capacity that the need for heat removal is significantly reduced. Salt cooled reactors can easily be "passively safe" or even "walk away" safe.

Does the salt operate at less pressure and allow for a simpler containment system?
 
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