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2,000,000,000(2 trillion) watts
How much electricity is generated by 1 solar sell on a sunny day?
2000mw
95%
Best i got is =14.4 mW cm^(-2)
Depends on the plant. In Canada larger plants will be 13.8KV phase to phase.
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Solar panels save CO if you accept that electricity generation normally produces CO2 when the fuel is burnt. 1 kWh of electric energy results in about 1 kg of CO2 from a conventional power plant, so if that 1 kWh were generated by solar, that saves 1 kg of CO2. 1 kWh generated by a wind turbine also saves 1 kg of CO2. In this equation you also have to consider any CO2 emitted at the factories that make the solar panels etc., but this is not very much.
Yes. If there is any light, even on a cloudy day, a solar panel can generate power. But the amount of power generated is much less when the solar panel is not in direct sunlight (about 90% less).
How much what is generated each year
Fukushima generated 3,400 MW on average. One of the world's largest solar power plants is Agua Caliente Solar Project, which generates 626 GW·h / yr = 71 MW on average. So it would take 48 of the world's largest solar power plants to replace the Fukushima plant. Agua Caliente takes up 2,400 acres, so the total amount of land area required to replace Fukushima with solar panels is 2400*48 = 114,500 acres, which is about half the area of Hong Kong, or 132 times the area of the Fukushima plant.
The specific amount of heat generated will depend on factors like the size of the solar panels or tubes used. But makers of solar pool heaters claim they can heat your pool completely, or cut back on hot water use by up to 97%. The amount of heat generated depends very much on where you live and how many hours of sunlight and clear skies you have each day. A solar pool heater will likely be more effective in New Mexico than it would be in Minnesota. Talk to an expert in your area for accurate information.