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Ask a leader alternative energy questions here

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Denob
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Ask a leader alternative energy questions here

Postby Denob » Tue Sep 10, 2013 9:00 pm

Feel free to ask alternative energy related questions here.
One of our volunteer topic leaders will be happy to answer you.
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tartreem
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Re: Ask a leader alternative energy questions here

Postby tartreem » Fri Oct 10, 2014 9:40 pm

what do you think the time line for cost effective solar power is?
I've read that germany uses more renewable energy than fossil fuels at this point.
I also keep reading about solar breakthroughs and how the cost of solar is getting pretty competetive compared to fossils.
Would you agree?
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Re: Ask a leader alternative energy questions here

Postby peppercorn » Sun Oct 12, 2014 7:51 am

Well I think you have been sleeping.... Its already below the cost of fossils...has been for a while

Just back to add, think about it...panel sizes going north of 300 watts, with pricing at say 1 dollar to 125 a watt. In Canada we are mostly blessed with sunshine..lets say you paid 300 dollars for your panel, and I see no reason it wont produce for 40 years. can we agree you should mostly get say 5 hours a day average sunlight year round? So 300 watts x 5hrs= 1.5kwhrs a day x 365 days=547kwhrs a year......what do you pay perkwhr? lets say .10....so .15 cents a day x (365x6years)=328 dollars or in other words the panel has paid for inself in less than 6 years and has 34 more years to give you free power, so if you factor in the other 34 years ( 40 years production, 21880kwhrs , 300 dollar cost)= 1.37 cents per kwhr but infact much less than 1.37 cents per kwhr as electric prices will rise over 40 years so in real terms you will be paying below a penny per kwhr, yes other associated costs but still it works out cheaper, but regardless of cost even if it was more, so what..you will be in control of your own power needs and how do you put a price on that?
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Re: Ask a leader alternative energy questions here

Postby Perfesser » Mon Oct 13, 2014 4:39 am

I've read that germany uses more renewable energy than fossil fuels at this point.

Maybe true but just because they did it doesn't mean it's working.

In a stunning admission, the German Government recently announced that its transition to Renewable Energy was, “On the Verge of Failure.” This blunt statement was released by Germany’s Economic Minister and Vice Chancellor to Angela Merkel, Sigmar Gabriel at an event at SMA Solar… Germany’s leading manufacturer of Solar technology.

http://srsroccoreport.com/germany-death ... -monsters/

Even after it's a failure there the Ontario Liberals insist that we follow the same path, and every Ontario taxpayer is already paying the bill.
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Re: Ask a leader alternative energy questions here

Postby crustymechanic » Fri Jun 26, 2015 6:28 am

Howdy fellow preppers,is anyone out there experimenting with hydrox generators for motor fuel or electric power?
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Re: Ask a leader alternative energy questions here

Postby Denob » Sat Oct 21, 2017 11:14 pm

Looking for opinions on Xantrex inverters.
Saw one today at a garage sale...1750 watt, can't remember the exact model, but was told it came from a police cruiser.
Guy wanted $35.00...good deal or avoid?
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Re: Ask a leader alternative energy questions here

Postby peppercorn » Tue Oct 24, 2017 11:05 pm

If its this one as in the picture https://www.google.ca/imgres?imgurl=htt ... t=c&ictx=1

Then its ok. I haven't owned that model, but have used it. Its greatest feature was good power output in a relatively small size, and that made it attractive for in a car. For 35 bucks id buy it.

I have noticed not just with xantrex but other companies the recycling of old product model names...they had a good model that gained a good rep, then a few years later the name or a similar one is put on a piece of junk and flogged hard. If its the "1750 prowatt" model in the picture, its ok, if its a "prowatt" model that doesn't look like that picture...run away....
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Re: Ask a leader alternative energy questions here

Postby peppercorn » Wed Oct 25, 2017 12:40 am

Denob wrote:Looking for opinions on Xantrex inverters.


The Prowatt 3000, sometimes listed as 2500, both the old and new models I can recommend.
and they look like this, old one... http://www.xantrex.com/documents/Discon ... _press.pdf

new one...http://www.xantrex.com/documents/Power- ... 1-01_Rev-B).pdf

and ofcourse I can recommend the prowatt 5000.....been running on that one and putting it through its paces for months now...its just incredible, even better quality output than the old 3000 watt unit I like, though they put cheap gfi's on the unit, replace with any brand from home despot. Other than that one complaint Its a sweet unit...all shinny and black too...10,000 watt surge on this unit!! the fan never comes on unless you are pulling over 500 watts, so its usually running silent.

DSC02341.JPG
DSC02341.JPG (70.95 KiB) Viewed 98 times


with all those units I listed idle current is nothing, something like .5 amps at 12 volts, measured (from memory), all those models are very efficient under load,, actually the most efficient of any I have used.

Just back to add I screwed up, they changed the name on the new 3000 and 5000 watt models to Xpower-3000 or Xpower-5000. Also from memory of a conversation I had with one of their engineers this is the end of the line...there will not be any new models of this line. Xantrex Mod sign series will end with these last two models... Xpower 3000 and 5000. Likely will be produced until demand drops off, I suspect all new R&D is going into new high freq sine wave units now, as the price differential is narrowing fast between mod sine and pure sign( just speculation on my part). So anyone wanting a first rate, new, top quality (imho) high freq mod sign unit I can recommend the Xpower 5000 as just outstanding, I can recommend the 3000 as well, though if you have extra wallet capacity buy the 5000...if anyone is seriously looking at either model pm me and I can tell you why in better detail from a users perspective why the 5000 is worth paying extra, ofcourse if your not looking for new and want good but cheap, Im all for cheap! nothing beats ( in mod sign) the old 3000 watt Canadian tire model on the used market (kijiji), it was the same as the xantrex 2500 model (prowatt 2500)....I have bought them as low as 50.00 doll hairs (used).
Though bear in mind they have been out of production for a long while now, so use them gently at first if you buy one, or replace the electrolitics ( the 180 volt caps in the unit before using (maybe 170volt caps, cant remember for sure)) filtering the DC buss for the H bridge...only a few dollars to buy new caps, and a little time to do....(use ONLY Japanese caps) then your good for 20...30 years of use!
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