Pohang, South Korea (SPX) Feb 27, 2020

Solar energy that reaches the Earth is about 125 million gigawatt (Gw). When this solar energy generated for a year is converted into oil, it is 100 trillion ton which is ten thousand times more than the amount of oil energy the world uses in a year. So, it is no surprising when one of the coffee commercial ads said, “The sunlight reaching the Earth for 30 seconds is enough for the entire world