When you turned on the light, page-95

lf China " could " generate 100% of their power then why aren't they ?

It's called diversification of power sources.

That's why China is one of the world's largest producers of nuclear power. The country ranks third in the world both in total nuclear power capacity installed and electricity generated, accounting for around one tenth of global nuclear power generated.

As of February 2023, China has 55 plants with 57GW in operation, 22 under construction with 24 GW and more than 70 planned with 88GW

They don't have to rely on solar or wind to keep their manufacturing going.

Smart people teh Chinese - you should learn more about them