Solar Array Size CalculatorWHATSON / SOLAR & BATTERYSolar Array Size CalculatorEstimate DC capacity from a daily AC energy target and entered sun hours.Starting values are editable examples. Enter your own loads, datasheet values and site assumptions.3 sun hours assumption4 sun hours assumption5 sun hours assumption1 Energy targetDaily AC energy needed (kWh)Capacity allowance (%)2 Resource and conversionPeak sun hours (hours/day)Enter a site and season estimate, not daylight duration.Overall AC yield factor (%)Calculate resultReset inputs