AC Load Solar Calculator

Build a detailed home load audit. Sum running power wattages and time cycles to size off-grid batteries and inverter scales.

Appliance Load Worksheet
Appliance Watts Qty Hrs/day

Sizing Estimates

Required Load Capacities

Total Daily Energy Consumption
--
Recommended Inverter Rating
--
Minimum Solar System Size Needed
--

Understanding AC Load Sizing

Running a property off-grid requires auditing running wattages and startup surges. Sizing an inverter correctly ensures it can handle active surge demands from appliances like water pumps or compressors without cutting out.

Daily Watt-Hours = ∑ (Watts × Quantity × Hours)
Inverter Sizing = (Total Running Watts × 1.25 Surge Factor) / Inverter Efficiency