How much energy will my solar panels produce in the winter?

Jan. 18, 2019
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Solar Installation Solar 101

Earlier this month on our blog, we answered one of the most common questions we get from Massachusetts homeowners at this time of year: “Can you install solar panels in the winter?” In the blog post, we explained how the winter months are actually one of the best times to shop for solar — because you can beat the rush for spring solar installations and start enjoying the benefits of solar sooner.

Now that we’re seeing snow in the forecast, you may still be wondering, “If I install solar in the winter, can I really expect to see the financial benefits right away?” Our answer is a resounding yes, even when it snows. Here’s why.


You Don’t Have to Brush Snow Off of Your Solar Panels

Some homeowners who are considering solar worry about whether their solar panels will work in our often harsh winter climate. This is a reasonable concern, but here’s the good news: you won’t have to brush snow off of your solar panels.

Solar panels are installed at an angle, which allows snow to melt and slide off easily. They even heat up slightly from the sun hitting them, meaning that snow could melt off faster than you expect.

Even if your solar panels become covered in snow after a heavy storm, we recommend waiting before grabbing that large brush or rake (both of which can damage the glass surface of your panels.) You will lose some energy production due to heavy snow accumulation, but that snow will melt and fall off on its own. Even partially exposed solar panels can generate clean energy for your home!


Solar Panels Are More Efficient in Cooler Temps

Did you know that extremely high temperatures can actually diminish solar panel efficiency? Solar panels generate free electricity no matter what temperature it is outside and operate most efficiently in cool and sunny weather. This makes them very effective during the winter.

At Boston Solar, we install high performance solar panels that are designed to withstand the Boston area’s freezing temperatures and heavy snow. See how we designed a winter-ready system for this Gardner homeowner.


Going Solar Offers Energy Savings Year-Round

If you’re considering investing in a solar energy system for your home, now is the time. Going solar offers valuable financial benefits not just in the summer months, but year round. With the free electricity you’ll generate with your solar PV system, you’ll enjoy significantly lower energy bills and protection from rising energy costs all year long. Don’t wait - the earlier you get into the statewide SMART program, the more money you’ll save and don’t forget you’ll get the full 30% Federal Tax Credit before it reduces down after this year.


Ready to invest in solar this winter? We’re Massachusetts’ number one residential solar installer. Contact us or call 617-858-1645 today to get answers to your solar questions!

How much energy will my solar panels produce in the winter?
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