Many panels I have seen in "kits" have been based on 18.3 Watts per panel and sold in 3's to make a 55 Watt system (Coleman solar starter kit 55 W). Therefore I've seen many 110 W and then 220 W panels based on this configuration. Size and weight being major factors.
Many manufactures selling the larger panels are the 220 W variety even though you can make them almost any size. Weight and ease of installation for normal person can handle a 220 Watt panel, anything larger starts to become too bulky and takes up too much space.
It all depends on the size
It depends on the model, please specify.
You can get them in different sizes. A small one would be 140W and a large would be 280W.
Solar panels can make enough watts to power your whole house if you have enough of them. Some solar panels will generate 50 watts, 80 watts or 120 watts.
The amount of power you get depends on a number of factors, including the efficiency of the solar panels. Ideally, the energy of sunlight would be about 1366 watts per square meter, but losses do to such things as the atmosphere reduce this to a practical limit of about 1000 watts. If a solar panel of one meter is 10% efficient, then this means you would get about 100 watts. New technologies are achieving efficiencies approaching 50%, which would produce 500 watts; but some older panels were only 6% efficient. Since you ask about watts, I am assuming you mean photovoltaic panels. Solar thermal collectors are more efficient, but do not produce electricity.
300. (I think this is watts not kilowatts)
It all depends on the size
It depends on the model, please specify.
I assume they come in different sizes, but a typical commercial solar panel generates about 50 watts.
About 1,000 watts per square meter of solar panel
Solar panels are rated in watts output. To find the amperage use this equation, Amps = Watts/Volts. The wattage will be on the nameplate of the solar panel.
One hp is approximately 756 watts.
1 kilowatt equals 1000 watts. An 80 watt solar panel under ideal conditions produces as you might guess 80 watts. So under ideal conditions it would take 12.5 hours for the panel to produce 1000 watts. (1000/80=12.5)
Measure the current being drawn from the panel and multiply it by the voltage across the panel's terminals. The product is the power.
A common solar panel can produce around 200 watts of power and can vary based on the size and efficiency of the solar power you chose. There are also three things that can affect the amount of electricity that a solar panel produces: the amount of sunlight, the size of the panel and the efficiency of the solar cells.
1 watt will do the job.
A solar panel produces electrical energy with no moving parts. With the Sun facing the panel, 150-200 watts per square metre can be produced by a solar panel. Without direct sunlight a panel still produces power, but very little (e.g. 5-10 watts from a bright sky).