We at GW Silver are aware of how valuable your time is, so let us open the door to a fast friendly Shopping experience. Cordially, Graeme Watson Owner of the silver manufacturer GWSilver.com in Taxco, Guerrero; Mexico.
12.2 trillion watt-hours converts to 12,211 gigawatt-hours, and based on 8,760 hours per year, and 197 million square miles of earthâs surface (including the oceans), the earth receives about 274 million gigawatt-years of solar energy, which translates to an astonishing 8.2 million âquadsâ of Btu energy per year.
The amount of energy reaching the top of Earthâs atmosphere. each second on a surface area of one square metre facing the. Sun during daytime is about 1,370 Watts, and the amount of en-. ergy per square metre per second averaged over the entire planet. is one-quarter of this (see Figure 1). About 30% of the sunlight.