Solar Panel Output Calculator
Calculate expected daily energy production from your panels
Rated wattage of your solar panel
5 hours
80 %
Accounts for heat, wiring, controller losses
Results
Daily Output
800Wh
Expected daily production
Monthly Output
24.0kWh
Array Size
200Watts
Total panel wattage
Peak Current (12V)
13.3Amps
At 12V battery voltage
Understanding Solar Output
Solar panels rarely produce their rated wattage. Real-world output depends on sun angle, temperature, shading, and system losses.
A 200W panel might only produce 160-170W under real conditions. The 80% efficiency factor accounts for these losses.