Average kWh based on month and time

K

karkas

Board Regular
Joined
Oct 17, 2007
Messages
170
Office Version
  1. 2013
Platform
  1. Windows
Here is a small sample below. I have about 12,000 rows of energy usage data by the hour per day.

I would like to know what my average kWh usage is at a specific hour per month. I think I need to use some kind of index/match sum function, but I'm not really sure how to do it. I also played with some pivot charts, but I couldnt get that to return anything worthwhile.

Column A is the date, column B is the hour, Column C is my off-peak usage, and column D is on peak usage.


day hour offpeak kWh onpeak kWh
8/11/2017 11:00 PM 6.69
8/11/2017 10:00 PM 8.65
8/11/2017 9:00 PM 6.82
8/11/2017 8:00 PM 4.61
8/11/2017 7:00 PM 4.62
8/11/2017 6:00 PM 5.1
8/11/2017 5:00 PM 6.35
8/11/2017 4:00 PM 4.78
8/11/2017 3:00 PM 3.51
8/11/2017 2:00 PM 3.93
8/11/2017 1:00 PM 2.85
8/11/2017 12:00 PM 1.96
8/11/2017 11:00 AM 3.54
8/11/2017 10:00 AM 4.2
8/11/2017 9:00 AM 2.69
8/11/2017 8:00 AM 3.97
8/11/2017 7:00 AM 3.05
8/11/2017 6:00 AM 2.33
8/11/2017 5:00 AM 3.39
8/11/2017 4:00 AM 5.21
8/11/2017 3:00 AM 5.14
8/11/2017 2:00 AM 5.45
8/11/2017 1:00 AM 6.32
8/11/2017 12:00 AM 3.55

Thanks in advance!
 

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Something like this?
This is an array formula and must be entered with CTRL-SHIFT-ENTER.

Drag formula down as needed.
Excel Workbook
ABCDEF
1DayHourKwh
28/11/201711:00 PM6.69Month8
38/11/201710:00 PM8.65Hour
48/11/20179:00 PM6.8211:00 PM5.115
58/11/20178:00 PM4.6110:00 PM6.425
68/11/20177:00 PM4.629:00 PM4.755
78/11/20176:00 PM5.18:00 PM4.29
88/11/20175:00 PM6.357:00 PM3.835
98/11/20174:00 PM4.786:00 PM3.715
108/11/20173:00 PM3.515:00 PM4.87
118/11/20172:00 PM3.934:00 PM4.995
128/11/20171:00 PM2.853:00 PM4.325
138/11/201712:00 PM1.962:00 PM4.69
148/11/201711:00 AM3.541:00 PM2.95
158/11/201710:00 AM4.212:00 PM1.96
168/11/20179:00 AM2.6911:00 AM3.54
178/11/20178:00 AM3.9710:00 AM4.2
188/11/20177:00 AM3.059:00 AM2.69
198/11/20176:00 AM2.338:00 AM3.97
208/11/20175:00 AM3.397:00 AM3.05
218/11/20174:00 AM5.216:00 AM2.33
228/11/20173:00 AM5.145:00 AM3.39
238/11/20172:00 AM5.454:00 AM5.21
248/11/20171:00 AM6.323:00 AM5.14
258/11/201712:00 PM3.552:00 AM5.45
268/12/201711:00 PM3.541:00 AM6.32
278/12/201710:00 PM4.2
288/12/20179:00 PM2.69
298/12/20178:00 PM3.97
308/12/20177:00 PM3.05
318/12/20176:00 PM2.33
328/12/20175:00 PM3.39
338/12/20174:00 PM5.21
348/12/20173:00 PM5.14
358/12/20172:00 PM5.45
368/12/20171:00 PM3.05
Sheet
 
Upvote 0
Thank you very much!

I have to combine the off-peak/on-peak columns to get your formula to work, but I can manage that.

I did recognize a flaw in my plan after the application... I need to separate the times out for mon-fri as the weekend times of 12:00-18:00 charge as off peak instead of on-peak.

I can probably massage the data to get it to work.

Thanks again!
 
Upvote 0
You're welcome.
You could add the WEEKDAY function to the formula to break the weekends and Mon-Fri. You would only use the formula for the weekend times at the off peak rate.
Excel Workbook
ABCDEFG
1DayHourKwh
28/11/201711:00 PM6.69Month8
38/11/201710:00 PM8.65HourWeekdayWeekend
48/11/20179:00 PM6.8211:00 PM6.693.54
58/11/20178:00 PM4.6110:00 PM8.654.2
68/11/20177:00 PM4.629:00 PM6.822.69
78/11/20176:00 PM5.18:00 PM4.613.97
88/11/20175:00 PM6.357:00 PM4.623.05
98/11/20174:00 PM4.786:00 PM5.12.33
108/11/20173:00 PM3.515:00 PM6.353.39
118/11/20172:00 PM3.934:00 PM4.785.21
128/11/20171:00 PM2.853:00 PM3.515.14
138/11/201712:00 PM1.962:00 PM3.935.45
148/11/201711:00 AM3.541:00 PM2.853.05
158/11/201710:00 AM4.212:00 PM2.755
168/11/20179:00 AM2.6911:00 AM3.54
178/11/20178:00 AM3.9710:00 AM4.2
188/11/20177:00 AM3.059:00 AM2.69
198/11/20176:00 AM2.338:00 AM3.97
208/11/20175:00 AM3.397:00 AM3.05
218/11/20174:00 AM5.216:00 AM2.33
228/11/20173:00 AM5.145:00 AM3.39
238/11/20172:00 AM5.454:00 AM5.21
248/11/20171:00 AM6.323:00 AM5.14
258/11/201712:00 PM3.552:00 AM5.45
268/12/201711:00 PM3.541:00 AM6.32
278/12/201710:00 PM4.2
288/12/20179:00 PM2.69
298/12/20178:00 PM3.97
308/12/20177:00 PM3.05
318/12/20176:00 PM2.33
328/12/20175:00 PM3.39
338/12/20174:00 PM5.21
348/12/20173:00 PM5.14
358/12/20172:00 PM5.45
368/12/20171:00 PM3.05
Sheet
 
Upvote 0
Perfect!

I had already just created a second grid for the second column, but your solultion is much more elegant.

I will probably have to redo this data soon and I'll use yours for that one.

Thanks again!
 
Upvote 0
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