Iowa / Dubuque

Is solar worth it in Dubuque?

Interstate Power and Light Co averages 17.9¢/kWh. With 4.3 peak sun hours a day, a typical 8.2 kW system makes ~10,324 kWh a year and saves about $1,848 in year one.

10.5years to pay off
Electric rate17.9¢per kWh
Peak sun4.3hrs/day
System8.2 kW≈$22,550
25-yr net$44,831after cost

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