Planning calculator

Complete Solar System Designer

Size a preliminary system, then see matching equipment from our provider-independent catalog. Supplier offers can change without changing the engineering recommendation.

Your requirements

Monthly electricity use (kWh)Average peak sun hoursSystem modeTarget solar offsetPreferred panel wattageBackup duration (hours)Critical-load shareLargest simultaneous load (kW)Design margin

Preliminary system

Solar array—kW DC

Panels—units

Inverter—kW class

Usable battery—kWh

Nominal battery—kWh at 90% usable

Engineering shopping list

Matched equipment

These matches come from the neutral SolarVsGrid catalog. Current supplier pricing and availability are shown separately.

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