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About CSI Sun

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CSI Sun specializes in commercial and residential solar installations. Service areas extend across northeast Iowa, northwest Illinois and southwest Wisconsin.

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    CSI Sun service areas

    CSI Sun performs solar installation services in northeast Iowa, northwest Illinois and southwest Wisconsin.

    Average solar cost by service area

    Solar panel costs vary based on your location and other factors. The map below shows average overall prices in CSI Sun’s service areas to give you a general idea of what to expect. Your specific energy needs, panel efficiency and other variables could make your costs higher or lower than these averages.

    Note: Costs in this table are average costs for the state and do not represent specific company pricing. "Average cost after ITC” reflects the cost after receiving the full 30% solar investment tax credit (ITC). “Estimated net savings” is the average amount residents in that state will save on electricity over 25 years, including their cost of installing a solar energy system.

    Solar panel cost by state
    Solar incentives by state


    What payment options does CSI Sun offer?

    You can pay for products and services from CSI Sun upfront or finance through a loan.

    When was CSI Sun founded?

    CSI Sun was founded in 1977.

    How CSI Sun compares

    Compare CSI Sun on customer reviews, availability and payment options below. Read our guide to finding the best solar energy company for more.

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    CSI Sun Company Information

    Company Name:
    CSI Sun
    Year Founded:
    869 N. Main St.
    Postal Code:
    United States

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