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Solar Panel Wattage Calculator
Calculate solar photovoltaic system capacity and annual energy production
Solar Formula: $\text{Daily Energy} = \text{System Size (kW)} \times \text{Peak Sun Hours} \times \text{System Efficiency (~80\% loss factor)}$. Enter your solar setup below.
Solar Panel Parameters Input
Calculation Results
⚠️ Actual photovoltaic yield depends on panel tilt angle, roof orientation, ambient temperature, and inverter efficiency losses!