Yeah batteries are cool, especially if you've already got them (i.e. an EV). I could definitely see that happening. A real-time market for individuals/homeowners is a really cool idea, but people just have to be cognizant of the fact that in a pure free market the prices they get aren't going to be as good as the prices utility-scale generators get. To the current administration's credit while they did gut a lot of subsidies for renewable energy they left the battery ones intact (for utility scale). I'd like to see the same subsidies for individuals as well.