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Thank You!

Thank You!

As we kick-off Certasun’s fifth year serving our neighbors, I wanted to take a moment to express my deep appreciation to all our customers. 

Thank You Customers

Thank You Customers

2020 was a challenging year for our country. As we look back over the past 12 months, we’d like to offer a very sincere and heartfelt “thank you” for trusting us to make your 2020 a little bit sunnier.

#1 Illinois Solar Installer in 2020

#1 Illinois Solar Installer in 2020

Certasun is tremendously honored to be named by SolarReviews.com as the #1 Illinois solar installer for 2020. With a score of 4.74 out of 5.00, Certasun earned the top ranking in the state.

Introducing the Certasun Production Guarantee

Introducing the Certasun Production Guarantee

So you're thinking about going solar?  Great idea!  But, make sure you get an energy production guarantee. A production guarantee is a vote of confidence for your system.  It's the installer saying that you'll get the benefits described and if for some reason you...

ComEd Rate Increase Makes Solar More Valuable

ComEd Rate Increase Makes Solar More Valuable

ComEd, the electric utility for most of northern Illinois, has just announced that electricity supply rates will increase by more than 10% beginning in October 2018.