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Calculation of Electrical Load and Panel Energy Consumption
Calculation of Electrical Load and Panel Energy Consumption

Electrical load calculation and energy consumption

This MS Excel spreadsheet calculates the following //

  • Continuous and non-continuous electrical load of panel
  • Total energy consumption (KWH) in daily/monthly of panel
  • Size of MCB of each branch circuit of panel
  • Voltage / Voltage difference of each phase
  • Unbalanced load in neutral wire
  • Expected temperature rise in each phase
  • Load in each phase
  • Starting / full load / continuous / non-continuous load
  • Size / type / tripping setting of main MCCB
Software:Calculate electrical load and energy consumption of panel
Version:22.8.2012 New
Developer:Jignesh Parmar
Size:210 Kb
Download:Right here | Video Courses | Membership | Download Updates
Calculation Of Electrical Load and Energy Consumption of Panel
Calculation Of Electrical Load and Energy Consumption of Panel

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  1. pravesh
    May 09, 2017

    In this sheet updated sheet there is minor mistake in B phase & Y phase calculation. If you enter load on Y phase automatically it will increase in B phase also . So please check it and correct if I am right than.

  2. Mohammed Obeid
    Dec 06, 2016

    This spread sheet is protected – does anyone know what the password is.

  3. Pablo Buenconsejo
    Oct 05, 2015

    Great reference and time saver tool when performing such tedious tasks! Test and sample a calculation, use with caution.

  4. aurelio gumasing
    Feb 05, 2015

    You are kindly requested to check your definition of diversity factor. In electrical engineering there is no diversity factor less than one but you use 0.80. This will totally affect your whole computation. if you find any diversity less than one please email me where you got it.

    • Inns
      Oct 01, 2015

      Just noted the reference in the comments made to diversity factor: the article and associated spreadsheet is correct in using a diversity factor of 0.8 (diversity of 1 (unity) is possible in theory). If the case that a diversity factor was never less than 1 than there would be no need to ever apply a diversity factor!

      • Pieter Saayman
        Jul 21, 2019

        Well Said, Inns

  5. Satbir Singh
    Jun 26, 2014

    Hi These spreadsheet looks really great help to electrical engineers. I am able to see them on ipad but could not download on laptop. Can anyone suggest how to do it on laptop.

  6. Samuel A
    Feb 06, 2014

    Great site. Thank you for your willingness to share what you have and saving our time in reinventing the wheel.

  7. Preethy Nalluri
    Nov 13, 2013

    This is preethy.Can you please help me in providing formulas for the below.

    Suppose for 1HP feeder Amps is 2 & contactor is 7,OLR range is 2.2-3.2.

    How can these valves be calculated by using formula.

  8. EEP4JOE
    Mar 16, 2013

    It is great and handy calculator with one exception. That is when calculating the total monthly consumption, the number of hours per day is used twice in the calculation. Please see below for details.

    Average Using/ Day (Hours) Average Using/ Month (Hours) No of Unit Consumed/Day No of Unit Consumed/Month
    18 540 900 486000
    10 300 350 105000

    • icarus51
      Mar 16, 2013

      EEP4JOE: Like you, I believe the formulas in Column “U” (# Units Consumed Per Month) are incorrect.

      For example “U13” formula is “=P13*S13*R13”. The value in Cell “S13” is already calculated as a monthly value. Multiplying “S13” by “R13” results in “U13” multiplying the daily use twice.

      Since the cells in Column “U” are protected, only the author can correct the problem..

    Mar 15, 2013

    good artical

  10. shabadbs
    Nov 10, 2012

    i would like to receive eng technical articles

    Oct 02, 2012

    Excellent. Will be very useful in load calculation.

  12. Bala
    Jun 20, 2012


  13. tharanath1981
    Apr 06, 2012

    Yes……….. This is a Great Site…….. I was looking for a site like this……… Thank you friends

  14. Edvard
    Jun 26, 2011

    Yes it is! Thanks to mr. Jignesh Parmar!

  15. lwnt
    Jun 26, 2011

    good program

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