Design of solar panel / battery bank and inverter

This MS Excel spreadsheet has possibilities to calculate following:

  • Calculate Total Demand Load
  • Calculate Size of Solar Panel
  • Select Type of Connection of Solar Panel
  • Select Rating of Each Solar Panel
  • Calculate Energy from Solar Panel as per Daily Sun lights
  • Calculate Size Battery Bank
  • Select Type of connection of Batteries in Battery Bank
  • Calculate size of Inverter
Software:Calculate Size of Solar Panel, Battery Bank and Inverter
Version:22.8.2012 New
Developer:Jignesh Parmar
Size:59.5 Kb
Price:Free
Download:Right here | Get Download Updates | Get Technical articles

Calculate Size of Solar Panel, Battery Bank and Inverter

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Page edited by E.C. (Google).



25 Comments

  1. Nice spreadsheet. This will definitely come in handy when calculating the size of your battery bank.


  2. Tunji Iromini
    Nov 14, 2014

    Hi,

    I observed that a corresponding increase in the battery backup time (autonomy) doesn’t affect the sizing of the solar arrays. In essence, a 24kW solar power (200W by 48V panels) is not affected despite increasing the number of days of backup power. The number of batteries increase but not the panels. I was expecting the solar panel side to flag an error but it remained green (ok) despite varying days of backup. Increase in batteries should automatically result into more panels to ensure batteries are adequately charged.

    Can you comment on my observation please?

    Regards,
    Tunji

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