Clean generation is probably going to be 44% for 2025, up from 41% in 2024.
That's nuclear, hydro, wind and solar.
A glance at any chart showing that broken down reveals the solar and wind part to be growing at a surprising rate and the main hope for the future. There's no real limit to its growth leading to graphs like this:
https://www.carbonbrief.org/wp-content/uploads/2024/10/WEO24...