Presumably 300 septillion Watts (=Joule per second). And it's true that the sun shines about 100 PW, or 5000x humanity's total energy usage (≈20 TW) on the sur

Presumably 300 septillion Watts (=Joule per second). And it's true that the sun shines about 100 PW, or 5000x humanity's total energy usage (≈20 TW) on the surface of earth on a nice day.