Solar Generator Needs Calculator
Free tool to estimate the right solar generator for real-world outages and battery backup.
1. Usage
2. Appliances
3. Duration
4. Report
Choose the scenario that best matches your situation.
2. Enter daily hours per appliance
Refrigerator (150W)
Enter total plugged-in time. Typical: 24 hrs/day
hrs/day
Wi-Fi Router (25W)
Typical: 24 hrs/day
hrs/day
Phone Charger (10W)
Typical: 2 to 4 hrs/day
hrs/day
Lights / Fan (60W)
Typical: 5 to 12 hrs/day
hrs/day
CPAP Machine (350W)
Typical: 6 to 8 hrs/night
hrs/night
Microwave (1000W)
Enter minutes divided by 60. Example: 0.2 = 12 min/day
hrs/day
AC Window Unit (800W)
Typical: 6 to 10 hrs/day
hrs/day
HVAC System (3000W)
Whole-home. Typical: 4 to 8 hrs/day
hrs/day
Add a custom appliance (optional)