Off-Grid Solar Power Calculator

Developed by RJ Regalado, 5 years ago
Appliance
Watts
Hours
Pieces
Is Motor?

Off-Grid Solar Power Calculator

Use this calculator to check how many solar panels, how big is the inverter, and how many batteries you will need.

Change Log:

  • March 1, 2020
    • Migrated to new page, expect future enhancements, complete rewrite
    • Decimals are rounded up to the next whole number
    • TODO: Display errors and warnings
  • June 1, 2015
    • "New Computation" on result page
    • "Sun exposure" default to 8 hours
  • May 29, 2015
    • FIXED: Required Inverter
  • May 27, 2015
    • Display warning(s)
    • Multiple Allowance Choices
    • FIXED: Safety Margin for motor equipments (x2.5)
    • FIXED: 20% allowance
  • May 26, 2015
    • FIXED: Sun Exposure
    • FIXED: HTML codes
    • Solution has been shown
  • May 24, 2015
    • Web based fork of Solar Panel and Battery Requirement Calculator for PC (2015) based on v1.0.5 BETA