According to Wikipedia[1], "sunlight provides an irradiance of just over 1 kilowatt per square meter at sea level. Of this energy, 527 watts is infrared radiati

According to Wikipedia[1], "sunlight provides an irradiance of just over 1 kilowatt per square meter at sea level. Of this energy, 527 watts is infrared radiation, 445 watts is visible light, and 32 watts is ultraviolet radiation". [1] https://en.wikipedia.org/wiki/Infrared#Natural_infrared https://en.wikipedia.org/wiki/Infrared#Natural_infrared