While exorbitant energy prices cause many homeowners to leave their pools unheated for long periods; commercial pools have no choice but keep their pools heated year round. With a solar pool heating system you can go green and heat your pool to warm temperatures all year long.
Duration : 1 min 13 sec
http://www.MakeOwnSolarPanel.com
Solar Panels Cost (how to make your own) and eliminate your electric bill forever.
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Duration : 34 sec
http://www.MakeOwnSolarPanel.com
Make Own Solar Panel and save 80% off your utility bill or eliminate your power bill completely.
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Duration : 32 sec
Very high efficiency, a cell the size of a dime makes about 40w of power in direct sunlight. No water needed, and way less land than bigger, less efficient panels.
http://emcore.com/solar_photovoltaics/terrestrial_concentrator_photovoltaic_arrays
Ben, every tech Ive found is worse, yes the less efficient panels are cheaper but you have to buy more land. Plus the bigger something left outside is, the better chance of damage by hail, wind, etc.
As to the size difference, you dont compare the cell size to the panel size of the competition, you compare overall size. With the panels included for both, the CPV structure is far smaller. Massive low efficiency solar plants arent an option because land is expensive near cities where the power is needed.
Is there a worse technology?
This 2 axis solar tracker is expensive and with so many moving parts, would be subject to breaking down. Cleaning maintenance is harder than conventional PV arrays.
If you want 40W of power - a square metre PV panel will do a better job at a faction of the cost.
You can see from their web site, they're looking for some starry eyed investors to part with their money. I doubt that technology will ever be commercially compeditive with conventional PV panels.
(edit) Doesn't take much to impress you Boom - you go ahead and buy some stock in that company so the directors can sell theirs.
The equipment isn't the size of a dime, just one small part of it is. That's like saying I have an engine with spark plugs so small they can fit in my hand, or I have a computer with a CPU the size of a wrist watch.
(edit) The customer doesn't need less land, they will likely need more land. They also need lenses and tracking motors control systems. If you guys are so impressed - buy some stock in the company.
at cost it runs 3 to 1
but a old fashioned heat pump runs 5 to 1 , and the amount of crap that goes into solar panel construction out ways the total benefits and finally the things are nearly impossible to repair compared to heat pumps , so the panel is scrapped and a new one fitted
Your use of Solar Power is kind of vague. Passive systems are very efficient because if they are set up right, they use virtually no power, or can be rigged to run on nothing.
The most basic of basic is just letting the sun come though a south facing window during the day. I have even seen jars of water and rock boxes used to retain heat for the evening hours.
I think you are going on about PV systems that generate electricity. They vary in performance, and performance can vary on installation. If you mount them on moving platform that can follow the sun, you will get the most use, or efficiency out of them. To complicate, you just cannot hook these things to your house. All have to go though a conversion to AC, and the equipment used can effect that efficiency as well. In short, it would be hard to judge what your basing your figures on until you specify the exact set up, the stated outputs, the actual outputs, the entire set up, and where you live.
I was wondering if i should purchase solar pannels for my house. I get sun on one side of the house for over 12 hours. I am wondering if it would pay me back in a few years
Solar panels cost 30 times as much for power output as do wind or hydro systems. even with grants and good sunshine it will take over 25 years to pay for itself.
Solar technology is becomein more efficient and cheaper iwth time so in 5 years time it is hoped that the payback will be as low as 10 years.
the BEST option is to ignore the solar electricity option but to go for a simpler solar heating/water heating system that will cost 10% as much and save you 60% of your current fuel bills.
if you want to generate electric perhaps Wind or hydro would be a better option at current prices. unless you live off grid then you have really few choices.
I have seen and heard about these companies that will install solar power panels on your roof and they claim depending on how sunny it is where you live that your electricity bills will be drastically reduced and you could even generate so much power that your electric meter will spin in reverse and the power company will pay you for the excess power generated. So, my question is, how much does one of these solar power arragements cost?
My colleague in San Jose, California installed a solar photovoltaic system on his house several years ago.
His installed cost was a little over $30,000.
The peak capacity of the system was 3,000 watts.
His annual production of electricity has been approximately 4,000 kilowatt hours per year.
He financed the system with a second loan on his house with an interest rate equal to the prime rate.
That interest rate is adjustable and has gone up to 8.25 % per year.
His interest cost on the loan is $2,475 per year.
($30,000 times .0825 = $2,475)
His interest cost per kilowatt hour is approximately: 61.88cents per kilowatt hour.
That does not include maintenance (which has been significant) or depreciation.
($2,475 divided by 4,000 kilowatt hours = 61.88 cents per kilowatt hour).
I think that 61.88 cents per kilowatt hour is rather high.
The utility company that I use is one of the most expensive utility companies in the United States and they only charge me 17.3 cents per kilowatt hour of electricity.
That is much less than it costs my colleague for electricity from his solar photovoltaic system.
I realize that it is very difficult to get accurate cost data on these systems. Recently I had the opportunity to talk with a salesman who sells these systems.
The first question that I asked him is why is it so hard to get accurate cost data on these systems.
The salesman replied with what I would say was rather remarkable candor.
The salesman said that if people knew how little electricity these systems produce, how much maintenance they require and how much they really cost nobody would buy them.
Here in Silicon Valley we have a term for people who absolutely must have the latest technology no matter what it costs.
They are called "early adoptors"
Who are early adoptors?
They are people who have more money than they know what to do with. They must have the very latest gadget and they do not care how much it costs.
Solar photovoltaic systems are definitely systems for"early adoptors"
Solar photovoltaic systems are not ready yet for the mainstream public.
I’m trying to build my own homemade solar cells & solar panels.
Solar cell types:
1. Monocrystalline solar cells
2. Polycrystalline solar cells
3. Amorphous solar cells
The amorphous type is popular for homemade solar cells and small solar panels, such as in calculators and garden lamps. You get 12 Volts of electricity from a solar panel built from an array of solar cells.
I need to know if it is possible to make a solar panel at home with simple things at home, I got power out of potato,,,,, it was possible,
Hello Mohammad Q I just found this cool link. "Making Cheap, Inexpensive DIY Solar Panels at Home". I have been looking for the same info over the past week or so.
http://EnergyForEarth.net - How Solar Panels Produce Electricity - How Solar Cells Work" · Astronomy Solar cells use sunlight to produce electricity. But is the 'solar revolution' … Solar panels absorb energy to produce hydrogen at SunLine Transit Agency. Use of infrared spectrum to produce electricity at night. … An array of solar panels converts solar energy into a usable amount of direct current (DC) Build Your Own Solar Panel: Generate Electricity from the Sun · Science/Tech Build …
Duration : 0:8:58