that is neat, my take on price, for about 200 bucks you can set up a ~1 kw setup through the DC system of your car to power emergency needs. For a normal house, a 7-10kw system will be viable. If a 20KW system doesn't cost much more, then you can pretty much use this on any house without worrying about timing your loads. My house very rarely goes above 10kw (water heater and clothes dryer on max for example), and i could manually make sure it never does if i had to.
This would be a semi-alternative to a tesla powerwall, which are in the 10+ grand range, but come with the battery obviously. Personally i don't have enough power outages to justify something that steep, but for someone that loses power often, if it was priced only a bit more than a similar output generator, i could see this being viable. That would put it in the 2-5k range, depending on how well it is packaged/integrates with the house.
2013 Leaf SL Premium
27k, 93% SoH 2/17 32k, 96% SoH 6/17
46k, 94% SoH 2/18 52k, 88% SoH 6/18
62k, 87% SoH 2/19 68k, 84% SoH 6/19
75k, 83% SoH 2/20