Done.
I think there's also some weird stuff going on, perhaps with preexisting power poles (maybe). Suddenly, some of my poles seem not to automatically connect to new poles and the problem poles stop providing power, at least to Factorisimo buildings. It doesn't seem to cause any kind of widespread outage. It's just that periodically I have noticed that a random Factorisimo building is suddenly unpowered. Hooking it back up is weird because new poles don't connect automatically to the old power network. I end up running a whole new set all the way back to the power plant. Once I've done that, it seems I can delete the poles that I just made to restore power and the power stays restored. It's very strange.
If you decide to look into it, let me know if there's any troubleshooting I can do on my end. No worries if not, though. A few new poles patches the problem.