Professional solar tool

Load audit & solar system sizing.

Enter the appliances you want to power. The calculator turns the load into a practical planning estimate for connected load, peak/start demand, inverter kVA, battery storage, PV capacity and panel count.

Step 1

Build the load table

Running watts estimate normal consumption. Starting watts are useful for motors, pumps, refrigerators and deep freezers.

Appliance	Qty	Running W	Hours/day	Starting W

Step 2

Design assumptions

Adjust these values for the site. They affect the planning estimate.

Design reserve (%)

Battery autonomy (days)

Usable battery DoD

Peak sun hours/day

PV system efficiency

Panel size (W)

Design power factor

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More tools

Build the solar toolkit.

The portfolio skeleton is ready for additional calculators such as battery runtime, panel yield, inverter comparison and energy-cost estimation.

01

Battery Runtime

Estimate runtime from battery voltage, Ah/kWh, usable DoD and load.

02

PV Panel Calculator

Estimate panel count and array size from daily energy and panel wattage.

03

Inverter Load Check

Compare connected load, surge demand and recommended inverter headroom.