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Compare Solar Panel System Sizing Calculator scenarios

Three side-by-side scenarios of the same calculator. Change any input in any column and the result recomputes live.

Scenario A

Average monthly electricity use(kWh)

Peak sun hours (daily average)(h/day)

Share of usage to offset(%)

System losses (inverter, wiring, soiling, heat)(%)

Panel power rating(W)

Solar panels needed

21 panels

Scenario B

Average monthly electricity use(kWh)

Peak sun hours (daily average)(h/day)

Share of usage to offset(%)

System losses (inverter, wiring, soiling, heat)(%)

Panel power rating(W)

Solar panels needed

21 panels

Scenario C

Average monthly electricity use(kWh)

Peak sun hours (daily average)(h/day)

Share of usage to offset(%)

System losses (inverter, wiring, soiling, heat)(%)

Panel power rating(W)

Solar panels needed

21 panels