SOLAR ARRAY SIZING

Solar panel calculator

Turn your daily electricity usage and local sun hours into an accurate solar array recommendation.

SYSTEM DESIGN WORKSPACE

Build your solar system

Adjust your requirements and get an engineering-grade estimate instantly.

Live calculation

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Solar panel calculator

Size your array based on daily energy needs and local sunlight.

Daily power consumptionCheck your utility bill for average daily usePeak sun hours / dayhoursTypical range: 3–7 hoursSystem efficiency%Includes wiring and conversion lossesPreferred panel sizeHigh-efficiency monocrystalline recommended

Required array output4.22 kW

Solar panels needed10 panels

Installed capacity4.5 kWp