Off-Grid System Calculator

Enter your appliances and we'll calculate the exact solar panel array, battery bank, inverter, and charge controller you need.

All calculations include standard system losses (wiring, charge controller efficiency, inverter losses).

1. What are you powering?

Pick a preset to load typical appliances, or skip and add your own below.

2. Location & Autonomy Settings
days
3. Your Appliances

The duty cycle accounts for appliances that don't run at full power continuously. A refrigerator compressor cycles on/off (~35% of the time); a lamp stays on 100%.

Appliance Peak Watts Duty Cycle % Hours/Day Wh/Day
Daily Total: 0 Wh