Are they disconnected from every power grid in the world, and using their own solar panels and windmills 100% for everything? Of course not. They're drawing fro

Are they disconnected from every power grid in the world, and using their own solar panels and windmills 100% for everything? Of course not. They're drawing from the same grids that have most of their electricity supplied by coal and oil and gas. It's just that the power companies arbitrarily declare that the watts they draw out "come from" the small fraction of solar that gets fed into the grid. See my response here: https://news.ycombinator.com/item?id=16799265 https://news.ycombinator.com/item?id=16799265