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Hello, I was trying to figure out what my power consumption is.

My device is a SP-30, and specs say it uses 1500w per PSU, with 2 psus (I'm only using one right now though).

So I would think my consumption is about 1400-1500 watt/hour.

But the ASIC info page in the admin panel says it's actually using about 880w.  I think this might be because I have it plugged into 220v?

So when it comes to planning out my power expense, am I currently using .9 kW/h?  or 1.4ish?

Thanks!

There's no way a 4.5 T miner is only using 880 watts. It's not even close to the S7 for comparison. Spondoolies makes good products but the admin panel is incorrect. 220V may save a little bit of power but it usually isn't a huge amount like you just mentioned. Real power consumption is around 3kw.

I only have one board (of the two that are in there) powered up at the moment.  I need to make another 220v cord for the other PSU.  So it's basically running at 50% (a little less than that actually, some of the loops farther away from the air intake seem to run at sub-optimal rates).

I suppose if they were both on, it would be about 1800-1900w/hr that the admin panel is reporting.  Does that sound plausible or am I misreading the admin stats?

The stats page in the Spondoolies web front end reads the usage at the chips themselves, It does not account for the control board, fans, or overhead. You're probably not overclocked (And shouldn't, these days, not without replacement parts available!) So in all, you're probably looking at around 1100 at the wall for your 880 running a partial miner.

Efficiency of most power supplies in the Gold and up range is usually about 2% or a bit less better on 220V input than on 110V input.

I believe, it's rather insignificant value