I know of at least one operation that happened in SW DC where some small-time Bitcoin mining hucksters managed to set up a bunch of rigs in a handful of low-income-area apartment blocks (Syphax Gardens area). not sure if the units rhemselves were low income or not but the entire building group was set up to meter electricity and cooling as a whole rather than by unit. So they paid (possibly subsidized) rent for a cheap, fire hazard "data center" space and got free electricity and cooling out of it for at least a year before people figured out what they were up to.

How on earth the neighbors ignored the maddening fan noise of those things ( there are a couple in the data center space I lease from, and you can hear the single rack that they occupy from several aisles away, far louder than all of the industrial grade servers and hardware installed all around them) I cannot imagine, but the miners probably couldn't run that many rigs given the perhaps 50A or 100A total available to each unit.