Illinois's Premier Home Solar Company

The Certasun Blog

Our blog contains in-depth articles and company news.
Also see our FAQs page for a list of the questions we get most often (and their answers)!

Meet Catia, Bringing Solar to the Northwest Suburbs

Catia Conenna, Certasun's newest solar consultant, helps homeowners in Arlington Heights and the surrounding northwest suburbs figure out how much they can save by going solar. She can be reached at catia@certasun.com or (847) 242-1114. Catia, what’s your role at...

read more

How Much Solar Can I Get?

Solar can be a great investment.  But, that's only true if you live by the rules of (1) the Illinois incentive program and (2) your utility. These rules do many things, but the most important one is to limit the size of solar system you can install.  There's a lot of...

read more

Understanding Your ComEd Bill with Net Metering

In this post we walk through how to interpret your ComEd bill once you begin net metering, and how the information on your bill compares to the data you see in your solar system monitoring account. To learn about what net metering is and how it works, check out our...

read more

How Many Solar Panels Do I Need?

In our recent blog about the cost of going solar, we explained that one of the biggest drivers of cost is the number of panels in the system. But how many solar panels do you need? The number of solar panels you will need for your home depends on three main factors:...

read more

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...

read more

Illinois Solar Incentives 2020 and Beyond

Illinois homeowners thinking about going solar may have heard that the sooner they go solar, the more they'll be able to benefit from the federal and Illinois solar incentives. In 2019, federal and Illinois solar incentives combine to cover about 60% of the purchase...

read more

Net Metering Benefits Homeowners in Illinois

When Illinois homeowners go solar, they are eligible for something called "net metering." Net metering allows homeowners who go solar to benefit from their solar system not only on sunny days, but also at night and during darker winter months as well. In this post we...

read more

How much do solar panels cost?

How much will going solar cost you? This guide will help you understand solar panel costs in Illinois, including the factors that go in to determining that cost.

read more

Are My Illinois SRECs Taxable?

Yes, the proceeds from the sale of your SRECs to ComEd are taxable.  That’s because the IRS considers the sale of the SRECs to be a sale of property rights. And it doesn’t matter which company you go with; it’s always the same legal question.

read more

Illinois Energy Sources: How Is Illinois Energy Generated?

Illinois energy currently comes from a variety of sources, and solar is now a part (and quickly growing part) of that mix. Thanks to new state incentives, over 61,000 homes in Illinois will add rooftop solar over the next few years. This is a massive jump from the 750 Illinois homes that had installed rooftop solar by 2017.

read more

Illinois Shines Now Open for Participation

As of January 30, 2019, Illinois homeowners can now participate in the state’s Adjustable Block Program, Illinois Shines, state-administered incentive program supporting the development of new solar energy generation in Illinois.

read more

How to Choose the Best Solar Installer

Going solar is easy and can save you a lot of money. But that doesn’t mean your choice of solar installer is a decision that should be taken lightly. Working with the right company can help ensure you don’t face any unpleasant surprises weeks, months, or years down the road. Here’s our guide to help you choose that right company.

read more

What to Watch Out For In Residential Solar

If you are considering going solar, you may be confused why certain "facts" don't seem to line up across vendors. At Certasun, we never want you to be surprised (except positively) about the experience of going solar.  That's why we've developed our No Surprises...

read more

What Makes for a Good Solar Warranty?

Aside from the obvious benefit of a warranty – to protect you against manufacturing defects as well as premature wear and tear – a good warranty is validation that a solar system is built to last. What makes for a good solar warranty? Let’s discuss the key considerations.

read more

Meet Bill, Bringing Solar to McHenry County

Bill Wayne, Certasun’s newest solar consultant, helps homeowners in McHenry County and northern Kane County figure out how much they can save by going solar. A longtime resident of Lakewood, Bill got interested in solar because of his passion for environmental stewardship.

read more

Going Solar in an HOA

If you own a home in a development managed by a Homeowners Association (HOA), you likely know that the HOA has some control over what you can and can’t do with your home. However, if you’re considering installing a rooftop solar system, there’s good news for you.

read more

Debunked: Solar Panels in Illinois Don’t Make Sense

Solar panels in Illinois don’t get as much sunlight as those in Arizona or most of California. Illinois is not a particularly sunny place. But, it is also not particularly un-sunny, either. It’s just average. And the amount of sunshine is only one factor that determines the economics of solar.

read more

My So-Called Competitive Electricity Supplier

I’m embarrassed by this story. Earlier this week, I found out I was getting a raw deal from the company that supplies the electricity for my home (a “competitive electricity supplier”). I should have been the last person this would happen to.

read more

IPA Announces Initial Illinois SREC Prices

On June 4, 2018, the Illinois Power Agency (IPA) announced the final SREC prices for solar systems.  These are the incentives ComEd will pay homeowners for installing solar. One SREC represents the renewable attributes of one megawatt-hour (MWh) of energy produced.

read more

Is Solar a Good Investment?

We looked at how an investment in home solar panels in Illinois might compare to an investment in the stock market. In short, we found that an investment in solar is likely to return significantly more than one in the stock market. A homeowner choosing to “go solar” ends up with $17,000 more after 20 years than one who invests in stocks.

read more

Get Answers (And A Free Solar Quote)

Enter your details below and we will be in touch to answer your questions and to schedule an appointment for a free, no-obligation quote for your home.