Solar Panels Electronic
What Could I Power With A 640 Watt Solar Panel, And is $3500 A Good Deal For One?
what are some electronic devices i could possibly power with one panel receiving about 8 hours of sun on an average day?
A typical desktop computer will use 60-250 watts, depending on the model (let's say it uses 130). Plus an LCD monitor, which is about 30 watts, this equals 160.
Now, of course you need light, so let's add two compact flourescent bulbs at 2x13 = 26 watts.
Plus a ceiling fan ( about 50 watts)
And a refrigerator (300 watts)
So we're up to about 536 watts...Add a few other things (cell phone charger, standby power from your stereo and other devices, minus the fact that your "640 watt" solar panel will probably not actually generate the full 640 watts on most days, and you should be just about accounted for.)
Now, depending on the state you live in, electricity will cost anywhere from 5 to 16 cents per 1000 watts of electricity used for one hour. Let's assume you use all of the devices I mentioned for 10 hours a day, and we'll take a rough average of 10 cents per 1000 watts (you can click on the second link below to get a more exact estimate.)
640 watts is .640 kilowatts; at 10 hours a day, times 365 days of the year and times 10 cents per kilowatt hour, you would spend .640 x 10 x 10 x 365 or 233.60 US dollars for one year.
At this rate (3500/233.60) it would take you about 15.0 years to make up for the $3500 you paid for your 640 watt solar panel.
...of course, your actual price per kilowatt hour may be much higher than ten cents (don't just trust my links--contact your electric company), and you should also take into account the fact that energy prices have been rising in recent years and likely will continue to rise over the next 15 years, so the actual return on investment could be less.
$ 18-US, Solar Panel Charger - Portable Green Power Supply, 1st Shopping Channel
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Portable 5000mAh Charger Solar Panel Battery For Phone MP3/4 PDA Camera 6000DBlu $19.99 |
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Air Pressure Solar Panel Power Check Car Wheel Tier Tyre Gauge Measuring Device $7.40 |
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Car Dashboard Solar Panel Power Electrical Air Ventilation Heat Exhaust Vent Fan $10.95 |
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Sun Power Solar Panel In Car Bluetooth Wireless SpeakerPhone Audio Voice Speaker $30.40 |
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