By not having to build more power plants or not putting the battery equivalent of all the power walls.
Also, I imagine this is to get the power wall users 'hooked'. Then over next few years that $2 will turn into 20 cents.
Also, I imagine this is to get the power wall users 'hooked'. Then over next few years that $2 will turn into 20 cents.
Will the price go down in the future? Maybe. Is this a gimmick to get people hooked? Probably not, assuming Tesla isn’t paying end users more than they make to join in.