@kyra probably not much to the average consumer but it'll be easier to smooth out demand if these get cheaper and easier to run, the fact that they're extremely fast to charge and discharge is great. I doubt they'll work in something like a car because of the large magnetic fields involved https://en.m.wikipedia.org/wiki/Superconducting_magnetic_energy_storage
@kyra the amount of power that can flow through a superconductor without it breaking is a characteristic of the material (since they only superconduct at specific temp/pressure combinations the temperature doesn't affect it)