If we’re really heading into a sunspot minimum as some theorize, Texas is going to have to spend the money to make all their grid systems robust down to perhaps -10F.
The technology is available and proven, just needs to be funded.
Alternative systems like Big Wind and Big Solar also need robust amounts of backup from the good old stuff, which is expensive.
Yep any system is dependent upon its fuel source. As you say
wind/solar aren’t in the generation dependable category.