Panel Output Calculator
Free panel tool
Solar Panel Output Calculator
See how many kWh your solar panels produce per day, month, and year — with real-world losses applied.
Panel specs
Your location
Heat, dust, wiring, inverter. 20% is standard.
Per panel / day0.0 kWh
Whole array / day0.0 kWh
Per month0 kWh
Per year0 kWh
Array size0.0 kW
Roof area0 m²≈ 0 sq ft
Estimates based on average conditions. Actual output varies with weather, shading, panel angle, and temperature.