Sorry to tell you this but the yellow won't run across 24 hours.
You do know how the sun works, don't you ?
However, as this chart shows, renewables are progressively taking over from fossil. Add in significant energy storage and the game really changes.
Considering that grid renewables have only been showing up in the last decade and previously didn't have that much money put into them, I reckon we can expect that chart to change significantly in the next few years.
