They care about us.

Many states don't even have that.

Some utterly humongous off channel pumped storage projects might do the trick, and they'd be among the world's largest engineering projects.

Or maybe we're talking nuclear power.

Hmmmm.....

Disconnecting from the fossil fuel powered electric grid isn't easy in a single family home and it's not any easier on the scale of a large state and economic power like California.

Some places get by very well with large hydro projects (e.g. Norway), but that can be catastrophic in times of drought. Venezuela depends almost entirely on hydroelectric power and drought was a very significant factor in their economic collapse.

I don't accept any arm waving about batteries and imaginary synergies. Germany accepted those arguments and the only reason it works, somewhat, is the graciousness of neighbors like France and Norway acting like shock absorbers against the wild production swings of German solar and wind power. (We won't speak of Germany's embarrassing coal plants.)

Don't believe me about Germany? The near real time power mix graphs are here:

https://www.energy-charts.de/power.htm

Looks like fossil fuels are on the menu tonight and not much else.

At least they are transparent about it.

My own California power mix is described here:

It's not bad by national or international standards.

Squeezing out the nimble gas power plants and "unspecified" grid purchases is not a negligible engineering problem.

It will also be interesting to watch what the impact of electric cars and delivery vehicles will be. If we cover all the parking lots with solar panels and offer "free" car charging underneath to employees and customers, maybe it won't be so bad. Solar covered parking lots are growing like weeds in my city.