[Donger]

Originally Posted by Baby Lee

Are you seriously in the dark, or trolling, because the explanation exists, but is cumbersome to assemble for lay persons.

In the shortest possible snippet, power companies put a great deal of effort into transmitting a clean sine wave at a reliable magnitude and frequency. Solar and Wind collects DC power and ancillary devices rectify that power into an AC sine wave of, ideally, identical magnitude, frequency, and phase angle. To the extent their devices fall short, they are wasting their power and destroying a portion of the power the generation plant created.

Think double dutch coupled with Frogger, with the solar power being the rope jumper/frog.