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Tamara Jude is a senior writer with over eight years of digital publication experience. Her bylines include notable publications such as Architectural Digest and This Old House.
Angela Bunt is an editor based in Dover, N.H. with over a decade of experience in the content industry. She’s worked as an editor and content manager in the live events, wellness and home spaces.
Karsten Neumeister is an experienced energy professional with subject-matter expertise in energy policy and the solar and retail energy industries. In addition to previous roles with the Retail Energy Advancement League and Solar Alternatives, he has written for EcoWatch and National Public Radio (NPR).
Solar shingles, also known as solar roofing, are an alternative to traditional solar panels that look less noticeable and provide more curb appeal. They’re durable, weather-resistant and offer the same energy savings as many of the best solar panels, but they’re significantly more expensive.
To help you determine whether solar roof shingles are worth the investment, we at the Guides Home Team have created this guide answering key questions and weighing the pros and cons.
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Solar shingles are a fairly new solar technology. They function similarly to traditional solar panels but look less noticeable on your home. Like solar panels, they absorb sunlight and convert it into usable electricity. However, they fall into a category of solar products known as building-integrated photovoltaics (BIPV). These products replace conventional building materials, such as roofs and skylights, with photovoltaic materials, allowing you to reduce building material costs while generating solar energy.
Solar shingles are designed to resemble standard asphalt shingles. They’re made from
DOW Chemical Company introduced solar shingles to the U.S. market in 2011. However, interest in shingles really took off in 2016 when Tesla purchased Solar City and launched the Tesla Solar Roof. Several solar manufacturers have since expanded their product catalogs to include solar shingles or tiles. Shingles still aren’t as readily available as solar panels, but they’ve gained popularity as a viable alternative.
We’ve listed some advantages and disadvantages of solar shingles below.
Solar shingles and solar panels both reduce energy costs by generating renewable energy, but they have some key differences. Compare the two options in the table below.
Solar panels are larger and more visible on a home’s roof. Their appearance varies depending on the type of solar panels installed. Polycrystalline panels are blue, making them very noticeable and potentially clashing with your home’s aesthetics. Many homeowners choose monocrystalline panels for their sleeker black color. However, any rack-mounted installation is still noticeable.
Solar shingles are smaller and more low-profile. If you opt for a solar roof, your entire roof will be replaced with identical shingles. Some — but not all — of the shingles will be PV shingles, but they’ll look identical regardless, offering the most inconspicuous installation.
Solar shingles and solar panels function similarly, but they have different efficiency rates and power outputs. High-efficiency monocrystalline (mono) solar panels are the most efficient, with rates as high as 24%. This means they convert 24% of the sunlight they absorb. Solar shingles have lower efficiency rates of 14% to 18%. The more efficient a solar panel is, the fewer you’ll need to power your home.
Solar panels also have larger power outputs. They range as high as 400+ watts of electricity, whereas solar shingles generate 13 to 70 watts per shingle. It may take as many as 20 to 30 shingles to match the power of one solar panel.
Solar panels typically last 25 years or longer with proper upkeep. Solar shingles have a slightly shorter life span of around 20 years. This time frame varies by manufacturer. Homeowners should review the warranties that come with their solar shingles. Some manufacturers include separate coverage for power production and durability. Review your warranty closely for full details.
Most solar shingles use copper indium gallium selenide (CIGS) cells. This material keeps the shingles flexible and thin while providing adequate energy conversion. Some solar shingles are made from monocrystalline silicon cells, the same composition as high-quality monocrystalline solar panels.
Solar shingles are considerably smaller than standard solar panels. They’re typically about the same size as asphalt shingles, or 12 inches wide by 86 inches long. Each shingle weighs around 13 pounds per square foot. Most roofs can handle this amount of weight, eliminating the need for additional roof reinforcement. Solar shingles are less than an inch thick, which helps them maintain a low profile.
Solar shingles cost more than typical solar panels due to the number needed for adequate power. Based on multiple estimates, solar shingle installation can cost $20 to $30 per square foot. This totals $40,000 to $60,000 for a 2,000-square-foot roof.
Standard solar panels are more affordable, averaging $15,500 for a standard 5-kilowatt (kW) system according to the Solar Energy Industries Association (SEIA). The total cost of solar shingles depends on several factors, such as your power needs, roof size and selected installer.
Homeowners should take advantage of solar tax incentives and rebates to offset costs. The federal solar tax credit provides a tax reduction equal to 30% of your installation costs. This credit rolls over to the next year if the taxes you owe are less than the credit.
You may qualify for additional state or local incentives in your area. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) for details.
Solar installers will consider your energy needs and roof size when determining how many shingles you need. The average roof needs about 350 solar shingles. The higher your needed power output, the more shingles you’ll need. However, you won’t have to cover your entire roof with shingles. Installation typically takes one week to complete.
A roofer will also assess your roof’s condition. You’ll need to replace any broken shingles and repair other damage before the installation. This will reduce the chance of improper installation or faulty panels. If your roof needs a lot of work, consider installing a solar roof. This will save you money on roofing materials.
Several solar manufacturers and companies offer solar roofing options. We’ve provided a brief overview of some top companies below.
Green Home Systems makes solar shingles with monocrystalline solar cells, the same technology used in mono solar panels. The company’s Apollo Tile II system integrates with flat concrete tiles and works for new or existing roofs. The Apollo II system integrates with asphalt roofs.
Luma Solar produces monocrystalline shingles with a Miami-Dade hurricane rating of Class 5+, meaning they can withstand Category 5 hurricane-force winds. Lumar’s solar shingles can be installed on metal roofs and have upgradable technology, so homeowners can keep their solar technology up-to-date as their systems age.
SunTegra offers affordable solar shingles and tiles installed directly over your current roof. Its solar shingles are installed in large sheets over composite shingles, while its tiles are installed individually for a more blended appearance. Both solar roofing options have a sleek, black design and are less noticeable than traditional rack-mounted solar panels.
Though known for its electric cars, Tesla moved into the solar industry in 2016. It offers high-efficiency solar panels as well as the Tesla Solar Roof, which uses a combination of glass and steel to improve durability. The Tesla Solar Roof replaces your entire roof, making it one of the most expensive solar roofing options.
GAF Energy’s Timberline solar roofs are designed to shed water and withstand winds up to 130 mph. These shingles are nailed directly to your roof, creating a faster and more seamless installation process. You can choose from four shingle colors to match your home’s exterior.
Solar shingles offer an alternate, more aesthetically pleasing option than traditional solar panels. They can be integrated with your current roof or replace it entirely for optimal discretion. However, they’re less efficient and have a lower power output than typical panels, meaning you’ll need more of them to produce adequate energy. They’re ideal for homeowners interested in solar power who need to replace their existing roofs, as installing a solar roof cuts down on roofing material costs.
We recommend comparing quotes from at least three solar installers to ensure you get the best deal. Use the tool below to begin your search for a provider in your area.
with our comparison partner, HomeService Quotes
Solar shingles produce 13 to 70 watts of power on average. However, some high-end shingles generate up to 110 watts per shingle.
Yes, solar shingles are more expensive than solar panels due to their smaller size. You need 20 to 30 solar shingles to match the power output of one traditional solar panel.
Solar shingles, also called solar roofs, are worth it for homeowners who are ready to replace their existing roofs. They are lower profile, better-looking and easier to maintain than regular solar panels. Solar shingles can also be installed over existing shingles if your roof isn’t ready for replacement.
Solar shingles have an expected life span of 20 years, but they could be warrantied for up to 25 years depending on the manufacturer. This is comparable to many high-end solar panels, which last an average of 25 years. However, quality solar panels can last 35 to 40 years with proper maintenance.
Yes, you can take solar shingles with you if you move. However, the removal and reinstallation process is complicated. Unlike solar panels, which can be easily moved, solar shingles must be handled by trained roofers. They may have to be removed individually, which requires more time. If you plan to move soon but want solar energy in your current home, solar panels may be a better option.
If you have feedback or questions about this article, please email the MarketWatch Guides team at editors@marketwatchguides.com.
Tamara Jude is a senior writer with over eight years of digital publication experience. Her bylines include notable publications such as Architectural Digest and This Old House.
Angela Bunt is an editor based in Dover, N.H. with over a decade of experience in the content industry. She’s worked as an editor and content manager in the live events, wellness and home spaces.
Karsten Neumeister is an experienced energy professional with subject-matter expertise in energy policy and the solar and retail energy industries. In addition to previous roles with the Retail Energy Advancement League and Solar Alternatives, he has written for EcoWatch and National Public Radio (NPR).
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