You are cheap compared to me.
Hydro (electricity to us south of the 49th) varies considerably. Mine, including all taxes generally runs about thirteen cents per Kwh.
Here in GA, we have a combination of Hydro power, Coal fired, and Nuclear power.
Oct 10 to Nov 6 bill for the shop was 109 Kwh used, $22.68 total for the bill, which is .207 per Kwh.
For the house (both are residential rate) I used 824 Kwh, $94.23 total for the bill, which is .114 Kwh.
The shop bill's per Kwh rate is so high because of the low consumption. The base bill charge is about $14 with Kwh charges over that, plus sales tax, environmental compliance cost fee, nuclear construction cost recovery, and municipal franchise fee, all of which vary with the Kwh amount.
The more I consume, the more the base charge gets watered down by the larger Kwh amount.
Its virtually impossible to determine what Southern Company/Georgia Power charge for a Kwh, as it is buried in pages and pages of charts and tables of state regulatory documents of the Public Service Commission. The real cost however is simply your total bill divided by your total Kwh consumed.
Charles