☀️ Solar Panel Power Calculator
📦 Load Parameters
Daily Power Consumption (Wh/day)
Total power consumed by all loads over 24 hours
Peak Power (W)
Maximum power when all loads run simultaneously
Operating Voltage
12V
24V
48V
🌤️ Environment Parameters
Peak Sun Hours (h/day)
Average daily peak sun hours at the installation site
Worst-Month Sunshine Hours (h/day)
Peak sun hours in the worst month of the year
Installation Latitude (°)
Affects solar radiation intensity
⚙️ System Efficiency
Solar Panel Efficiency Loss (%)
Temperature, dust, and aging losses
Charge Controller Efficiency (%)
MPPT/PWM charge controller efficiency
Cable Loss (%)
DC cable transmission loss
Safety Factor
Safety factor that accounts for weather variability
📊 Calculation Results
Calculate
Total System Efficiency
Solar panel efficiency:
-
Total system efficiency:
-
Solar Panel Power Calculation
Base power:
-
W
After applying safety factor:
-
W
Recommended solar panel:
-
W
Worst-Month Verification
Worst-month energy generation:
-
Wh/day
Power supply status:
-
📋 Reference Standards
IEC 61215
PV Module Qualification
IEC 62548
PV Array Design
AS/NZS 4509.2
Stand-Alone Power Systems
IEC 61724-1
PV Performance
📦
Load
🌤️
Environment
⚙️
Efficiency
📊
Results