Cities are going to need more power than falls on their own roofs.
The distributed nature of the grid is just too useful. It's like having a computer that's not connected to the Internet: it's certainly possible but inconvenient compared to the default.
And what percentage of those cities is actually rooftops? Looking at a few satellite images, it seems like it’s in the low single digits. Lots of parks, roads, and other uses…
The distributed nature of the grid is just too useful. It's like having a computer that's not connected to the Internet: it's certainly possible but inconvenient compared to the default.