Planning calculator

Complete Solar System Designer

Create a preliminary system made up of compatible categories: solar array, panel count, inverter capacity and battery storage. Product offers will remain provider-independent so suppliers can be changed without rewriting the calculator.

Your requirements

Monthly electricity use (kWh)Average peak sun hoursTarget solar offsetPanel wattageBackup duration (hours)Critical-load shareLargest simultaneous load (kW)Design margin

Preliminary system

Solar array—kW DC

Panels—units

Hybrid inverter—kW class

Usable battery—kWh

Nominal battery—kWh at 90% usable

Recommended shopping-list categories

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