Off-Grid & Load Calculator
South West Tech — tick your appliances, we'll size your system
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kWh / day
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Peak load (kW)
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Surge (kW)
Suggested off-grid system
| Inverter (continuous rating) | — |
| Battery bank (usable) | — |
| Solar array | — |
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Wattages are typical figures — check your appliance nameplates for accuracy. Sizing assumes 80% battery depth of discharge, 90% system efficiency and a 30% solar design margin. Guide only; every property is different. South West Tech — admin@southwesttech.com.au · 0488 224 284.