It's also reasonable to assume internalizing externalities can drive efficiency improvements everywhere. Would batteries by as efficient and available for installation in TX if CA hadn't subsidized them for a decade prior?

There’s a massive housing crisis in CA. Getting people out of it reduces demand which is the only solution if you persistently cannot or will not solve supply.

The Texas energy grid is actually greening rapidly. Although everyone deploying solar in Texas should also deploy a local battery. If you don’t you can’t run your solar when the grid is down.