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100% solar powered maisonette possible?
Rank: Elder Joined: 1/8/2018 Posts: 2,212 Location: DC (Dustbowl County)
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 If Garissa Solar Power plant can produce a staggering 55MW from 200,000 solar panels surely one should be able to fit just a few solar panels on the roof to power the entire house (and perhaps a borehole) without the need for KPLC, ama? All you solar tech gurus or those who have installed solar off the grid on their property, is this possible? If yes, how much would such a system cost (say for a 250sqm maisonette with heavy daily use)? Thanks in advance Wazuans.
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Rank: Elder Joined: 4/30/2008 Posts: 6,029
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MugundaMan wrote:If Garissa Solar Power plant can produce a staggering 55MW from 200,000 solar panels surely one should be able to fit just a few solar panels on the roof to power the entire house (and perhaps a borehole) without the need for KPLC, ama? All you solar tech gurus or those who have installed solar off the grid on their property, is this possible? If yes, how much would such a system cost (say for a 250sqm maisonette with heavy daily use)? Thanks in advance Wazuans. Also ask them the cost of replacement of batteries and after how many years are they replaced.
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Rank: Veteran Joined: 5/5/2011 Posts: 1,059
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mawinder wrote:MugundaMan wrote:If Garissa Solar Power plant can produce a staggering 55MW from 200,000 solar panels surely one should be able to fit just a few solar panels on the roof to power the entire house (and perhaps a borehole) without the need for KPLC, ama? All you solar tech gurus or those who have installed solar off the grid on their property, is this possible? If yes, how much would such a system cost (say for a 250sqm maisonette with heavy daily use)? Thanks in advance Wazuans. Also ask them the cost of replacement of batteries and after how many years are they replaced. The good thing about solar is you can start small you don't have to splash cash, but start out with a good inverter go for overkill get 10,000 watt if there is any, then get the 24 volt sealed batteries with our Kenyan weather you can expect 15 years of acceptable service, then a good charge controller of say 60 amps, do the normal AC wiring for your house but for the solar panels to batteries and batteries to inverter go for overkill the thickest you can afford. for starts you can power all your lights, tv, radio and fridge fullly with a 150k system, shirtlif have those submersible solar DC pumps, you can do a separate system for the pumps, harder to power by solar are cookers air-conditioners washing machines and driers. house heaters and irons. check out this guy on youtube To Each His Own
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Rank: Elder Joined: 1/8/2018 Posts: 2,212 Location: DC (Dustbowl County)
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kayhara wrote:
The good thing about solar is you can start small you don't have to splash cash, but start out with a good inverter go for overkill get 10,000 watt if there is any, then get the 24 volt sealed batteries with our Kenyan weather you can expect 15 years of acceptable service, then a good charge controller of say 60 amps, do the normal AC wiring for your house but for the solar panels to batteries and batteries to inverter go for overkill the thickest you can afford. for starts you can power all your lights, tv, radio and fridge fullly with a 150k system, shirtlif have those submersible solar DC pumps, you can do a separate system for the pumps,
harder to power by solar are
cookers
air-conditioners
washing machines and driers.
house heaters and irons.
check out this guy on youtube
Very useful information to get started with. Thank you brother!
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Rank: Elder Joined: 7/26/2007 Posts: 6,514
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I have a friend in Australia whose whole house is solar powered and he sells back to the grid. Business opportunities are like buses,there's always another one coming
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Rank: Elder Joined: 1/8/2018 Posts: 2,212 Location: DC (Dustbowl County)
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Wawawawa this guy is a GENIUS. He has explained everything nywee mpaka nimeshika kabisa kabisa. Kumbe tis 100% possible. As he says, the only limiting factor is mulla. Asante tena.
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Rank: Elder Joined: 1/8/2018 Posts: 2,212 Location: DC (Dustbowl County)
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KulaRaha wrote:I have a friend in Australia whose whole house is solar powered and he sells back to the grid. Indeed this is 100% possible, in fact I am very encouraged. I want to install a system that will avoid Kenya power 100%. Those vultures keep increasing charges year after year. Kumbe with a one time investment in solar I can kiss them goodbye forever. Wazua kweli is worth its weight in gold. Asante sana all for the help.
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Rank: Member Joined: 1/15/2015 Posts: 681 Location: Kenya
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I once did some calculations for a 310SQM house fully on solar. Average monthly use 300-400KWh. Costa came to appx 800-1.2m for full off-grid (guided by Mr. Google). Repayment period 13-15yrs. Will try to recalculate again to post here for the gurus to critique. Now, on the borehole, planning a 150m and a friend in that biz tells me that solar pumps don't work those depths in Nbi and environs due to I don't know what (sure enoung I've never seen a solar powerwd borehole except in lower&north eastern). Can't back that up with facts, you know how engineers talk "I tell you it will not work. Lakini nitakuwekea uki-insist  "
60% Learning, 30% synthesizing, 10% Debating
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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Which is the best brand for a domestic solar water heater? There are so many brands in the market it's confusing.
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Rank: Veteran Joined: 5/5/2011 Posts: 1,059
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hardwood wrote:Which is the best brand for a domestic solar water heater? There are so many brands in the market it's confusing. Not sure if chloride exide still sell heaters but they are the best, there are some funny Chinese brands which just warm the water and use power to bring it up to required temperature, unlike chrolide exide ones which are don't need to be connected to power. Go for the ones with indirect heating ie, they heat a solution built into the heater which in turn heats the water, this reduces damage to your heater due to water scum buildup. About the borehole solar pump, what you need is an electric pump but powered by solar with batteries and inverter, with a raised tank big enough, you can pump water during the day when the sun is up. To Each His Own
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