[PLUG-TALK] What is using electricity?
Pete Lancashire
pete at petelancashire.com
Thu Jul 20 22:39:38 UTC 2017
Have you logged in to your account and either looked at usage or download
the data ? Data is in as fine as 1 hour. A waterfall graph aligned on days
can be quite informative
On Jul 19, 2017 9:57 PM, "John Jason Jordan" <johnxj at gmx.com> wrote:
> On Wed, 19 Jul 2017 19:32:02 -0700
> John Jason Jordan <johnxj at gmx.com> dijo:
>
> OK, after all the suggestions I decided to get more accurate data. I dug
> out all the bills back to October 2016, and here are the results by
> month, bill amount, total KWH, number of days billed, and KWH/day:
>
> 7/2017 $77.86 622 30 20.73
> 6/2017 $83.73 677 32 21.16
> 5/2017 $68.63 535 29 18.45
> 4/2017 $65.26 503 29 17.34
> 3/2017 $72.76 574 32 17.94
> 2/2017 $70.42 552 29 19.03
> 1/2017 $74.06 588 31 18.97
> 12/2016 $74.87 597 33 18.09
> 11/2016 $62.09 476 29 16.41
> 10/2016 $61.57 471 29 16.24
>
> Looking at the data my first comment is that it is not as bad as I
> first thought. Considering that the winter bills in the above are
> higher because of increased lighting and use of an electric blanket, my
> daily KWH for June and July 2017 should have been 16.5-18.5.
>
> Also, for the past couple of months I have been doing remodeling work,
> of which the most significant power consumption factor has been a table
> saw with a 13 amp motor. As a wild ass guess it has been running 30
> minutes a day, and I've been cutting oak, often bogging it down. (I
> love this saw, but it is hopelessly underpowered.) According to my dim
> understanding of mathematics, electricity, and electric motors, 13 amps
> at 120 volts = 1560 watts, except it probably doesn't always draw all
> of that. Guessing that its average draw is 1200 watts, that is 1.2 KWH,
> times 1/2 hour = 0.6 KWH per day, times 32 days for the June bill above
> = 19.2 KWH. That's a significant chunk, plus I've been using other
> electrical equipment as well.. [Someone please check my math and
> knowledge of motors here.]
>
> I wish all appliances were smart enough to calculate how many KWH they
> consumed while you were using them and then upload that data to your
> computer/smartphone where it could be accumulated so your electric bill
> would never be a mystery.
>
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