I don't know what inference can be made about the electricity. Assuming ~50TH means ~5000 blades at 75W each, running 24 hours a day, we get 9000 kWh/day.

The question is - what period of time does the report represent? Probably 1 quarter, so ~90 days. So we get 810000 kWh for 760,035.12￥, or 0.9383￥/kWh.

That converts to 0.15 $/kWh. Color me very unimpressed. I thought it was about $0.07/kWh.

(If that is the case, then perhaps the statement is for 180 days - the financial half.)

As for their income being 2 orders of magnitude higher than expense, that is a bad thing. That means as their margins shrink, their profits have a long way to fall from their current levels. You want profits to be due to high revenues, not low expenses... Not to mention that AM's hardware will shortly be out of date.