This future world with all these solar panels might also have lots of intercontinental HVDC cables to spread that power around the world: https://ieeexplore.ie

This future world with all these solar panels might also have lots of intercontinental HVDC cables to spread that power around the world: https://ieeexplore.ieee.org/document/9241117 https://ieeexplore.ieee.org/document/9241117 Nevertheless, if we install enough panels, it will be so cheap that the cost is negligible for most applications.