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Panel Sizing Calculator

Work out the array watts you need for your daily energy use.

Panel Sizing Calculator hero

Daily energy needed (kWh) Peak sun hours (h/day) System derate (%)

Enter values to calculate.

Top picks

E2000 v2 + 2×200W

Good match for mid-size arrays.

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Explorer 2000 Plus + 2×200W

Expandable for future panels.

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Extra 7% OFF

Stack savings on panel kits.

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