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Solar shingles, also called photovoltaic shingles, are solar panels designed to look like and function as conventional roofing materials, such as asphalt shingle or slate, while also producing electricity. Solar shingles are a type of solar energy solution known as building-integrated photovoltaics (BIPV).
There are several varieties of solar shingles, including shingle-sized solid panels that take the place of a number of conventional shingles in a strip, semi-rigid designs containing several silicon solar cells that are sized more like conventional shingles, and newer systems using various thin-film solar cell technologies that match conventional shingles both in size and flexibility. There are also products using a more traditional number of silicon solar cells per panel reaching as much as 100 watts DC rating per shingle.[1]
Solar shingles are manufactured by several companies.[2][3]
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Solar shingles became commercially available in .[4] In a interview with Reuters, a spokesperson for the Dow Chemical Company estimated that their entry into the solar shingle market would generate $5 billion in revenue by and $10 billion by . Dow solar shingles, known as the POWERHOUSE Solar System, first became available in Colorado, in October . A 3rd generation of POWERHOUSE Solar System was exclusively licensed to RGS Energy for commercialization from until , when RGS Energy filed for bankruptcy.[5][6]
In October , Tesla entered the solar shingle space in a joint venture with SolarCity.[7] Tesla later acquired SolarCity and the solar shingle product was described as "a flop" in .[8] Solar marketplace provider EnergySage reviewed the now named Tesla Solar Roof, noting that it had "experienced significant setbacks that have delayed its design, production, and deployment."[9] In January , GAF Materials Corporation announced they would start selling a solar shingle product.[10]
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Solar shingles are photovoltaic modules, capturing sunlight and transforming it into electricity. Most solar shingles are 12 in × 86 in (300 mm × 2,180 mm) and can be stapled directly to the roofing cloth. When applied they have a 5 in × 86 in (130 mm × 2,180 mm) strip of exposed surface. Different models of shingles have different mounting requirements. Some can be applied directly onto roofing felt intermixed with regular asphalt shingles while others may need special installation.
Some early manufacturers used solar thin-film technologies such as CIGS to produce electricity, which are less common in the solar industry than silicon-based cells. Current manufacturers, such as RGS Energy, CertainTeed, and SunTegra, have chosen to use the industry-standard monocrystalline or polycrystalline silicon solar cells in their POWERHOUSE 3.0, Apollo II, and SunTegra Shingle, respectively. The installation methods for some solar shingle solutions can be easier than traditional panel installations because they avoid the need to locate rafters and install with a process much more similar to asphalt shingles than standard solar panels. Other solar shingles, such as the Tesla Solar Roof, are much more difficult and expensive to install, requiring the removal and replacement of the existing roof.
Solar shingled roofs tend to have a deep, dark, purplish-blue or black color, and therefore look similar to other roofs in most situations. Home owners may prefer solar shingles because large solar panels can be highly visible and spoil the aesthetics of the house.[11][12]
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The cost of solar shingles can range from $3.80 per watt up to $9.00 per watt installed depending on the manufacturer, technology used, and system size.[13] As of May , the average cost of a traditional, roof-mounted residential solar panel installation in the United States was just above $3.00 per watt, according to the Solar Energy Industry Association.[14] While solar shingles are typically more expensive to install than traditional solar panels, some companies in recent years since have made strides to lessen the gap between the installed cost of going solar with panels versus going solar with shingles.
According to Dow Chemical Company reports, a typical residential install consisting of 350 solar shingles can cost at least $20,000; however, federal and state incentives depending on the location might significantly bring down the cost.[4]
Solar contractors typically offer homeowners a full-service price for solar installation, which includes equipment purchasing, permit preparation and filing, registration with the local utility company, workmanship warranties, and complete on-site installation. Because photovoltaic solutions produce power in the form of direct current (DC) and the standard in homes is alternating current (AC), all grid-connected solar installations include an inverter to convert DC to AC.
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By , more than 100 million households will rely on rooftop solar power, according to estimates from the International Energy Agency. If you&#;re one of the homeowners interested in shrinking your carbon footprint and your energy costs, you are no longer limited to solar panels to help power your home, though.
If you are looking for more details, kindly visit pv shingles.
Interested in understanding the impact solar can have on your home? Enter some basic information below, and we&#;ll instantly provide a free estimate of your energy savings.
Now there&#;s another option: an entire solar roof.
Solar roofs are composed of solar shingles that can fit over existing shingles or be installed on their own. So the energy-harvesting ability is baked into the roof itself. The shingles do everything regular shingles do, roof-wise (protect your house from the elements), and are quite durable. Plus, they appear a lot more sleek and seamless than solar panels. &#;It&#;s such a different look,&#; says Cassie Morien, director of strategy at Modernize Home Services, a home improvement and contractor platform. Shingles simply &#;look sexier on your roof.&#;
But looks don&#;t come cheap. Should you replace your roof with solar shingles &#; or, start out with a solar roof if you&#;re doing a new build? Here&#;s everything you need to know.
If you&#;ve never heard of solar shingles, you&#;re not alone. According to an October study of more than 1,100 homeowners across the U.S. conducted by Modernize, 38 percent of people are not familiar with them, even though they&#;re over a decade old.
&#;Also known as solar roofs, solar tiles, or solar roof tiles, solar shingles are tile-shaped panels permanently installed on your home&#;s roof,&#; Mallory Micetich, home expert at home improvement site Angi, says. &#;The panels are much smaller than conventional solar panels, but they operate in a similar way, with building-integrated photovoltaic systems, an inverter and a circuit that allows the solar energy to be absorbed and flow through the wires into your home.&#;
Each shingle produces anywhere from 13 to 80 watts of energy, depending on the brand. The average size of a solar shingle or tile is about 12 inches wide by 86 inches long. It takes about 350 solar tiles for a standard-size roof. Tiles weigh about 13 pounds per square foot, so most roofs can handle them without additional reinforcement.
The first solar shingles were developed by DOW Chemical Company, rolling out in . But the concept began to get serious traction in , when Tesla purchased manufacturer Solar City and began offering what it deemed the Tesla Solar Roof. Today, there are several brands of the solar roof tiles available from manufacturers CertainTeed, GAF Energy, Luma, SunTegra and of course Tesla. (Dow dropped out of the game.)
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Solar energy survey
In October , Modernize Home Services conducted a survey of 1,124 homeowners across the U.S. regarding renewable energy options &#; specifically, solar systems. Among the findings:
As you weigh your options for what&#;s over your head, it&#;s important to think about the upsides and downsides of solar shingles.
According to Angi, solar shingles cost between $21 and $25 per square foot ( $2,100 to $2,600 per roofing square), adding up to a total average cost of $55,000. That&#;s certainly much higher than the typical solar panel job, which has an average price tag of $16,500, according to estimates from Modernize.
When it comes to shingles, there are a range of factors that impact the overall cost, but if your roof has some steep angling &#; anything that exceeds a standard 6:12 ratio &#; expect to pay more. Additionally, your location plays a key role. Angi&#;s data shows that average installation costs in California are $70,000 per job, while homeowners in Florida and Michigan pay half that sum.
Regardless of where you live, expect to budget for a significant premium compared with a standard roof, which typically ranges from $5,600 to $12,000. While that&#;s quite the jump in price tag, installing solar shingles &#; or solar panels &#; now comes with the ability to reduce your federal tax bill. The Inflation Reduction Act allows a dollar-for-dollar federal tax credit on up to 30 percent of solar installation costs through .
Also: Solar shingle prices have dropped since their introduction, and they may continue to do so, especially if more manufacturers and installers enter the market.
As you compare different options for your roof, be sure to think about these key considerations that can help you select the right solar shingles to lower your carbon footprint without breaking the bank.
Some of these shingles are made with copper indium gallium selenide, and others are made with monocrystalline silicon. According to installation company Texas Solar Group, monocrystalline silicon is more expensive, but it&#;s also more efficient at energy conversion.
As you compare different options for solar, you&#;ll need to think about how much energy you actually use on a regular basis. According to the U.S. Energy Information Administration, the average home uses around 886 kilowatt hours of electricity per month. While solar shingles vary in their overall wattage output, and costs increase correspondingly with that output, Micetich points out that &#;you don&#;t need to replace your entire roof with solar shingles. You can just do one area of your roof and still get plenty of benefit.&#;
Solar shingles can be placed on most types of homes &#; even if it isn&#;t directly under a beaming sun. &#;It&#;s important to note that your roof doesn&#;t need to be in full sunlight for the shingles to be effective,&#; Micetich says. &#;They make use of diffuse, scattered light, so they work even on overcast and rainy days.&#;
Even if you&#;re confident that solar shingles are the right choice for your roof, you may need to search for someone confident enough to do the job.
&#;Solar roof shingles are a newer technology compared to traditional solar panels and therefore are less likely to have a line of professional installation contractors to install them on your home,&#; Micetich says. &#;This means you might have to search longer and harder to find a solar roof shingle installer near you. Generally, we see that southern states that receive a lot of direct sunlight have a larger market for all solar products. These states include California, Nevada, Arizona, Texas and Florida.&#;
In addition to making sure your singles can produce enough energy, you&#;ll need to think about the opposite end: What can you do when you have more than you need?
&#;There are two options when considering excess energy from your solar shingles,&#; Micetich says. &#;One option is that you can opt to pass it to the local electric grid and then get paid for it. While all counties have different methods of compensating homeowners who produce excess solar energy, it&#;s usually in the form of a check or a deduction on their next bill.&#;
You can also opt to install a solar battery to store excess energy, which your system can use at night, on cloudy days and during power outages. &#;A single emergency-use battery can cost about $200, while a long-lasting, high-efficiency lithium-ion system can add up to $14,000 to your upfront cost,&#; according to Micetich.
The fact that solar shingles can simulate traditional ones, adapting to almost any roof style, is a key difference that sets them apart from solar panels. While aesthetics may not be your primary concern, it could help if you have an HOA that sets a great store by neighborhood appearances, and has a history of objecting to the addition of solar panels on roofs.
Roofs in general are expensive propositions, and a solar roof is on the high side. Even expensive traditional roof materials like clay or slate cost less than solar tile. With an average cost of $55,000, you will need to think about how long you plan to be in the home to make sure that you have enough time to let all your energy savings add up and justify that investment. For a lot of homeowners, that kind of price tag might be enough to scare you away from the investment: Respondents in Modernize Home Services&#; survey listed cost-effectiveness as their number-one priority with aesthetics much further down the list.
However, if you absolutely love the look of solar shingles, you may want to look into financing options to avoid draining your savings. If you have a sizable chunk of equity, a home equity loan or a HELOC can be a good pick &#; plus, you&#;ll be increasing the value of the home, which can put you in the running for some tax benefits.
There are other options, too: &#;solar loans,&#; financing offered by installers or third parties. For example, Tesla offers a financing arrangement for its Solar Roof. LightStream offers solar loans up to $100,000, at APRs that currently range from 7.99 percent to 21.24 percent.
Think about the potential for severe weather in your area. If high winds are a regular occurrence, you&#;ll want to compare how each product fares when it comes to wind or snow build-up. Make sure you compare product warranties, too. You&#;ll see a mix of manufacturer warranties (which protect against defects), wind warranties (which protect, naturally, against wind damage) and power warranties that typically guarantee a certain level of maximum performance depreciation per year. It&#;s also important to consider the potential for technology advancements. Luma, a well-known solar shingle manufacturer, offers the ability to upgrade the technology &#; an important consideration versus replacing the shingles down the line.
While expensive to install, a solar roof can save in the long run. Depending on the number of tiles on your roof, solar shingles can reduce energy costs by anywhere from 40 to 60 percent, according to the consumer education site SolarReviews. Additionally, you may be eligible for federal and state tax incentives.
The Inflation Reduction Act makes a difference in your upfront costs with that 30 percent tax credit on the installation cost. Plus, several states offer credits, rebates and other incentives as well. There is a maze of information about those potential savings, but this database from North Carolina State University can sift through programs that apply to certain zip codes around the country.
Both solar shingles and solar panels can be a great option to take your home energy efficiency to the next level. But which is best for you? Solar panels tend to win when it comes to cost, while solar shingles tend to come out on top when it comes to their overall look.
One key benefit of solar panels is that the technology has been around longer, meaning there are more easily accessible tools to do your research. Solar shingles simply aren&#;t as widely popular, which means your research options are more limited.
As you start that research, here&#;s a rundown of some of the key points of differentiation as you try to decide what&#;s best to put above your head:
Solar shingles are still fairly new, which means their exact lifespan and durability is still something of a question mark. Still, if you&#;re an environmentally-conscious homeowner in need of a full roof replacement or a roof for a new build, solar shingles are worth considering &#; especially with some states now requiring that newly built homes be solar power-equipped.
To sum up: &#;Solar panels are more affordable and portable,&#; Micetich says, &#;while solar shingles are more attractive and may have a longer lifespan.&#;
Either way, with enhanced federal tax credits in effect, the time to get up on the solar roof may be now.
Tesla is the most recognizable name in solar shingles. However, the same name that you see on carbon-free cars on the highway isn&#;t the only name in solar shingle manufacturing. Luma, SunTegra, CertainTeed and GAF Energy&#;s Timberline Solar are some of the top solar shingle brands to consider.
Yes, solar shingles usually come with a warranty that covers a range of potential problems such as manufacturing defects and wind damage, and many of these last up to 25 years. These also typically guarantee a certain level of energy production per year. However, as with any warranty, it&#;s important to read the fine print to determine what&#;s covered.
Since they&#;re relatively new, there&#;s little data on how much solar shingles (or panels for that matter) specifically will impact your home&#;s worth. However, making your home more energy efficient &#; which solar shingles can do &#; can have a positive impact on your property value. Research from the Department of Energy and the National Association of Realtors has shown that buyers are looking for homes with sustainable features. However, this is not a job to invest in with the sole hope of increasing your sales prices. Installing solar shingles only makes sense if you&#;re planning to be in the home long enough to make the energy savings justify the upfront costs.
Are you interested in learning more about solar pv roof tiles? Contact us today to secure an expert consultation!