I think all those techs still suffer from the peak load problem. You are being very hopefully that the grid is plugged in when you hit peak load. Some load shedding with dynamic pricing could work however you’d have to convince people that taking risk on variable rates and sacrificing energy use made sense.
I think utility scale storage is where we end up for meaningful base load over car batteries and AI. Things like compressed air generation with underground storage or underwater balloons filled with air
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