~snip~
Cheers for that. I've a few z9s sitting there but I was considering some of the cheaper, but more power hungry L3+++ etc to see what stacked up. If it's free then it's all about maximising the 20kW.
That's good for your health.
You can rest all night without worrying about coins price, electricity bill, etc. lol.
How can you get it? (free electricity - just curious about it) - Don't worry, your secret safe with me!
How long have you done mining with this free electricity? How about your profit so far? (with current machines that you have)