My friend and i are conducting an expirement and we need to know how many watts are needed to power a solar panel please answer now!!
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{ 4 comments… read them below or add one }
You don’t power a solar panel a solar panel is a power source.
The wattage of the solar panel will depend on the size.
A solar panel doesn’t need watts.According to the amount of sunlight it will produce voltage, amperage and wattage.
Refrigerator: 1/4 HP ~= 190 Watts
Furnace fan (running gas or oil for heat): 1/3 HP ~= 250 Watts
TV or small computer: about 100 – 150 Watts
(the stove/oven would run on gas)
In my estimation, that’s the absolute bare minimum about 550 – 600 Watts. The furnace fan could double as a normal fan in the summer, but it is necessary in the winter. One of my former co-workers actually got by on that amount of power for a few years, in his off-the-grid home.
So, to live a bit more comfortable, add a washing machine, a computer, a toaster, a microwave oven (small as possible), some ceiling fans, and you have a peak power that could range at several 1000 Watts. In reality you’d have a battery bank that could handle the peaks so, maybe you could get by with 1500 Watts worth of solar panels if you are energy-frugal. You also have to have power to charge the batteries every day for night-time use.
You’ve got the question backwards. The power output of the solar panel is rated in watts. So you need to determine how many watts are needed to run the equipment you want powered with the solar panel, then you can decide what size solar panel you need. You can buy panels here – http://www.altestore.com/store/Solar-Panels/c541/
Or are you trying to power the solar panel with a lightbulb instead of the sun, and you’re asking how many watts the lightbulb needs to be?
What is your experiment, maybe we can help?