Don't forget superconducting magnetic storage is also an option for storing renewable energy. I have little idea as to how the cost compares, but I imagine pro

Don't forget superconducting magnetic storage is also an option for storing renewable energy. I have little idea as to how the cost compares, but I imagine progress like this is of help: https://en.wikipedia.org/wiki/Superconducting_magnetic_energy_storage https://en.wikipedia.org/wiki/Superconducting_magnetic_energ... Is the energy stored in the current going around in a loop in the superconductor, or in the generated magnetic field lile an inductor?