Calculator

Design Your System — Solar Calculator
SYS
Design Your Solar System
Estimate required PV size, panels, and battery backup.
1. System
2. Load
3. Components
Calculator — Formulas used:
  • Total daily Wh = Σ (Watt × Qty × Hours/day)
  • Required PV (kW) = (Daily Wh / PSH) / 1000 / (DerateFraction)
  • Battery Ah = (Load (W) × BackupHours) / (BatteryVoltage × (DoD/100) × (InverterEff/100))
Name
What type of solar system are you interested in?
What is your estimated monthly electricity bill?
What type of property do you want to install the solar system on?
When are you planning to install the solar system?

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