Not just an in-home grid, but the potential with the power packs and utility-scale solar for the grid as a whole is quite large as well, if they can get tractio

Not just an in-home grid, but the potential with the power packs and utility-scale solar for the grid as a whole is quite large as well, if they can get traction. Tesla is going to be the only one for quite a while with the battery manufacturing scale to make it cheap enough.