In some circles, the centralized power grid most nations have is on par with the dinosaur: big, clumsy and a thing of the past.
Whether it be the excessive costs of building and maintaining a centralized power grid, the occurrence of too many power blackouts from centralized power, or the risk of hackers and other bad actors impacting its power reliability, the need for a decentralized power grid on a national scale is critical to human civilization.
A decentralized power grid can include solar, geothermal, wind, or any number of innovative renewable technologies. They can include microgrids or even what I like to call the home grid. Power is generated locally and more cost effectively.
Here's the question: Has the time come for the decentralized power grid?