Also, I think this is the cost of grid electricity. I know in my part of the world, for example, some miners want to experiment with natural gas generators. Far, far cheaper, no one would plug into the grid!
Are those natural gas generators actually safe to operate with the amount of power being drawn, without being a fire hazard?
[that is assuming that you've found a dry place
outside to host it, as it is not safe to run a generator indoors, from what I have read.]
These things are BIG and never ran indoors.. Here is a
and what they are all about - huge difference between them and the more common standby-power gensets.