Off-Grid Solar Calculator
Follow 4 simple steps to design your system.
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Step 1: What do you want to power?
Select common appliances below, or snap a photo of your appliance nameplate to add it!
or add your own
📸 Don't know the wattage? Snap a photo of the appliance nameplate — we'll help!
Take a photo or upload nameplate image
| Appliance | Watts | Hours/day | Qty | Wh/day | Photo |
|---|---|---|---|---|---|
| No appliances added yet. Select from the list above. | |||||
Total Daily Usage: 0 Wh/day
Step 2: Where are you located?
Enter your city for accurate solar data from NREL.
💡 Can't find your city? Try a nearby major city.
🌍 No location selected. We'll use the US average of 4.5 peak sun hours.
Step 3: Configure your system
Choose your preferences. Don't worry — we've set sensible defaults.
How many cloudy days to plan for
🔄 System: 48V · LiFePO4 · 3 days autonomy · Mono panels
Calculating your off-grid system...