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)!

About That “25-Year” Panel Warranty

About That “25-Year” Panel Warranty

So you're getting a 25-year solar panel warranty?  Great news!  But, wait, is it really 25 years...? Maybe not.  A mistake we see all the time is to conflate the panel warranty with the power warranty.  Both of those warranties come from the panel manufacturer, but...

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Naperville Solar Panels Get Extra Incentives

Naperville Solar Panels Get Extra Incentives

Are you a Naperville homeowner thinking about going solar?  Good news: since October 2019, Naperville solar installations in the Naperville Electric Utility service area get a special $1,000 solar incentive payment! That $1,000 Naperville solar incentive is in...

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Community Solar vs. Rooftop Solar in Illinois

Community Solar vs. Rooftop Solar in Illinois

If you live in Illinois you have probably received a mailer recently offering "community solar".  Or, perhaps someone knocked on your door selling subscriptions to a community solar farm.  You might be wondering about the benefits of community solar vs. rooftop solar...

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Illinois Solar Incentive Payments Are Here!

Illinois Solar Incentive Payments Are Here!

Illinois Shines is finally paying out and Certasun customers got 28% of the very first program distribution.  In total, Certasun customers received $247,016 in solar incentive payments from ComEd. How the Illinois solar incentive payments program works Established by...

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Can Solar Get Me Off The Grid?

Can Solar Get Me Off The Grid?

So, you want to go off the grid? Don't trust ComEd?  Don't like their rates?  Want to be self-sustainable?  We get it.  Many of our customers feel just the same way.  In this post we'll break down exactly how – and how not – solar can help you get off the grid and...

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Meet Catia, Bringing Solar to the Northwest Suburbs

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...

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How Much Solar Can I Get?

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...

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Understanding Your ComEd Bill with Net Metering

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...

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How Many Solar Panels Do I Need?

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:...

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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...

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Illinois Solar Incentives 2020 and Beyond

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...

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Net Metering Benefits Homeowners in Illinois

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...

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How much do solar panels cost?

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.

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Are My Illinois SRECs Taxable?

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.

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Illinois Energy Sources: How Is Illinois Energy Generated?

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.

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Illinois Shines Now Open for Participation

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.

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How to Choose the Best Solar Installer

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.

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What to Watch Out For In Residential Solar

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...

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What Makes for a Good Solar Warranty?

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.

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Meet Bill, Bringing Solar to McHenry County

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.

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Going Solar in an HOA

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.

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Debunked: Solar Panels in Illinois Don’t Make Sense

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.

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My So-Called Competitive Electricity Supplier

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.

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IPA Announces Initial Illinois SREC Prices

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.

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