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Naperville solar panel installation

We’ve been helping our Naperville neighbors go solar since 2018

As a top-rated solar company in Naperville, Certasun strives to provide the absolute best experience going solar. We’ve completed over 150 solar installations in almost every neighborhood in Naperville.

Naperville home with solar panels

Naperville’s #1 solar installation company

We are a local solar company that has completed over 150 solar panel installations within Naperville. Headquartered in Buffalo Grove, just 40 miles from downtown Naperville, we are the largest Illinois-based solar installer in the state.

As of 2023, Certasun is the largest residential solar installer in Naperville, meaning we installed more solar systems in Naperville than any other company! No other solar company has our experience or expertise installing solar on Naperville homes

Naperville regulations on solar panel installations and system sizing can be complicated and confusing. Certasun’s track record as an established Naperville solar installer means that we will complete your project quickly and ensure that it passes city inspection.

We handle every detail of your project in-house, with our own employees. When you go solar with Certasun in Naperville, the entire organization is accessible to you and focused on delivering the best experience and outcome.


“Certasun does not disappoint.  They work with City of Naperville a lot, so permitting and inspection were no problem.  The whole process was smooth quick efficient and best of all has been producing energy saving me money since they flipped the switch.” 


Why Go Solar In Naperville?

Installing solar panels on your home allows you to take control of your energy costs with renewable energy. There are lots of a great benefits to going solar in Naperville:

Reduce your Electricity bill

Did you know that with solar panels you can reduce your City of Naperville electricity bill to just $21 a month? Electricity rates rise every year. Solar will protect you against future increases.

Take advantage of Illinois Solar Incentives

Naperville residents going solar can take advantage of Illinois Shines, our state’s generous solar incentive program, as well as other Illinois solar incentives, to reduce the cost of your system by 60% or more!  You may also be able to take advantage of an additional Naperville solar rebate.

Reduce your environmental impact

The vast majority of Naperville’s electricity still comes from coal. Going solar means benefitting from the sun’s energy without contributing to additional generation of coal-fired power.

Certasun Naperville solar panel installation

Naperville Solar Incentives, Tax Credits, and Rebates

Illinois solar incentives and federal tax credits can cover 60% or more of the purchase price of solar for homeowners in Naperville:

Illinois Shines Solar Incentive

Illinois Shines provides Naperville homeowners with up-front payments for the renewable energy that your system is expected to produce in the form of SRECS (Solar Renewable Energy Credits). The value of these credits changes over time, but can be worth over 30% of the cost of your system!

Federal Solar Tax Credit

Naperville homeowners can take advantage of the 30% federal solar tax credit. This credit is a dollar-for-dollar reduction in the amount of federal income tax you would typically owe.

Net Metering

With net metering, your utility gives you a credit for any excess energy that your system produces. The City of Naperville provides one-to-one net metering; this means that customers will be compensated for the full value of their excess production.

Naperville Solar Rebate

The City of Naperville’s electric utility has offered an incentiveof $250/kW for homeowners who choose to go solar, up to $1,750. Certasun will help with the application if you are eligible. See the latest on the Naperville solar rebate.

Your Trusted Naperville Solar company


Proudly a local company

We’ve installed over 2,000 systems in Illinois, with over 150 of those in Naperville.

Your Naperville neighbors trust us

4.9 average star rating on Google.

Most powerful equipment

We use only the best equipment in the industry and have the highest standards for installation quality.

Leading 25-year warranty and production guarantee

We offer a best-in-the-industry 25-year warranty. Certasun will also guarantee the production of your system.

Get a Quote

Receive a custom quote for your home. Schedule an online consultation at a time that is convenient for you.

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Not quite ready? Call (312) 638-0800 with any questions!