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.
Weather conditions. Datas from the St. Martins Therme & Lodge weather station. Last measurement: 13.04.2017 - 16 (measurement at the top of every hour). 1 The amount of incoming solar electromagnetic radiation is 1.367 W/mÂ² (= solar constant) . From this 1.367 W/mÂ² arrives 50 W/mÂ² (heavy clouds) up to 1.000 W/mÂ² (optimal sun day) to the ground of earth.