how much power is the sun?
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The Sun's Energy. The Sun releases an estimated 384.6 yotta watts (3.846×1026 watts) of energy in the form of light and other forms of radiation. We are able to survive on Earth because the energy is spread over the area of a sphere with a radius of approximately 93,000,000 miles.
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The Sun is a main-sequence star, and, as such, generates its energy by nuclear fusion of hydrogen nuclei into helium. In its core, the Sun fuses 620 million metric tons of hydrogen and makes 606 million metric tons of helium each second.
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A General Solar Equation The average energy needs of a U.S. household is a 6.62-kW solar system to match the 9,000 kWh of average energy usage by U.S. households each year. And, the typical solar panel makes 320 watts of electricity in ideal sunny conditions.
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If your area gets an average of 5 hours of direct sunlight, then your 100 Watt solar panel should produce 500 Watts of power per day. This could power a 50 Watt laptop computer for 10 hours or a 15 Watt compact fluorescent lamp for over 33 hours.
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Now we're getting somewhere! On average, at any given moment, your brain's electricity is outputting roughly 0.085 Watts of power. Your brain is basically an energy saving LED.
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The gravitational binding energy of the sun will give a loose approximation for the energy needed to destroy it by (essentially) removing all it's constituent matter. Lucky for us, this calculation has already been made; the sun's gravitational binding energy is around 6.9 x 1041 (41 is sup script)Joules.
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The Short Answer: Our Sun is 864,000 miles in diameter and 10,000 degrees Fahrenheit on the surface. Our Sun is a bright, hot ball of hydrogen and helium at the center of our solar system. It is 864,000 miles (1,392,000 km) in diameter, which makes it 109 times wider than Earth.
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40 watts of solar can be used for charging and maintenance of 12 volt batteries up to about 250 amp hours of capacity and replace energy consumption, giving from 9 to 17 amps or more in a day.
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The maximum intensity of the sun's output of radiation is in the visible light region. At the top of the atmosphere, approximately 7% of the radiation is in the ultraviolet, 41% in the visible, and 52% in the infrared.
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Multiply 5 hours of sunlight x 290 watts from a solar panel = 1,450 watts or roughly 1.5 kilowatt hours per day. That's about 500-550 kilowatt hours of energy per year from each panel on your roof.
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The standard solar panel has an input rate of around 1000 Watts per square meter, and the majority of solar panels available have around 15-20%. Therefore, if your solar panel was 1 square meter in size, then it would likely only produce around 150-200W in good sunlight.
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One LED light bulb uses around 8-12 watts per day. This means that an average home uses 360 – 450 watts per day of energy for lights. A solar panel can produce 250 watts per hour. If the solar panel is powered by the sun for four hours, that means that it produces around 1,000 watts a day.
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['Solar panel watts x average hours of sunlight x 75% = daily watt-hours. ... ', '250 watts x 5 hours x .75 = 937.5 daily watt hours. ... ', '937.5 / 1000 = 0.937.']
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A computer that is on for 8 hours a day approximately uses 1.6kWh of power assuming it has printers and loud speakers. 100 sq ft solar panel is required for generating 1 kW capacity solar system and this will generate 1600 kwh of power per year.
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A good quality 4kW solar system generates 18 units per day. However, the amount of power generated depends on where you live, and how your system's positioned. Locations receiving more sunlight produce greater benefits, and yields in summer are greater than those in winter.
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Solar panels usually range in wattage output from around 250 watts to 400 watts, but some panels exceed the 400 watt mark. The solar panel with the highest watt is the SunPower E-Series, a commercial solar panel line. The top panel in the E-Series comes out at a whopping 435 watts.
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The average U.S. household will use roughly 30 kilowatt-hours (kWh) of energy per day and a typical solar battery can deliver some 10 kWh of capacity.