Panels installed on a flat surface with no airflow behind it will get extremely hot. Heat adversely affects power. Folks that have bonded flexible panels to a vehicle roof discovered this the hard way - reduced performance and dramatically shortened life....But they look nice GAF is one of a few companies that have pursued Solar Shingles and they are doing very well with it... I'm surprised at the nonsense posted about shingles... Some more info here: https://solarmagazine.com/solar-roofs/solar-shingles/ and even more info here (current May ) https://www.forbes.com/home-improvement/solar/solar-shingles-buying-guide/
In full summer sun with W/m^2 on it, and perfect tilt to the sun, I'd be surprised if that 45W panel gets 35W, and I'd be surprised if solar shingles last more than 10 years.
GAF is one of a few companies that have pursued Solar Shingles and they are doing very well with it... I'm surprised at the nonsense posted about shingles... Some more info here: https://solarmagazine.com/solar-roofs/solar-shingles/ and even more info here (current May ) https://www.forbes.com/home-improvement/solar/solar-shingles-buying-guide/
LOL... just looked up the almost worthless basic warrantyI wonder how much buying the "Solar Max Addendum" to get the 25 year warranty costs?
Rooftop solar is already 3x the price of utility-scale solar. The death of net metering can make them a money-losing proposition unless you buy batteries too. If PV shingles have worse cost & lifespan that makes payback even worse.Hmmm, maybe, maybe not so much, I think it really depends on what your electric rates are, and the price of rooftop solar is going to continue to fall, as the technology improves, and becomes more of a commodity. Also there are batteries, and there are batteries like you have. Batteries to smooth peaks don't have to be that expensive either.
Suitable credits on your bill from community solar may be an alternative, but I'd expect similar killing off of credits like net metering.
I have seen solar shingles that blended well.
Those were nailed type. If a tile type was designed to mount so back open to attic, then venting could keep them cool enough.
Timberline Solar®, integrated solar roofing from GAF Energy, is the first true solar roof. It incorporates solar technology into traditional roofing materials and processes, and uses the world’s first nailable solar shingle, which lays flush against the roof deck, providing durability and protection that look great. With constant utility rate inflation, Timberline Solar® was designed to be an affordable solar roofing option. If you’re using solar to power your home in lieu of electricity from the grid, your energy prices may be lower. This all means that your Timberline Solar® roof could save you money, allowing those savings to offset the cost of your new roof over time. And with solar roofing becoming more popular, it could even benefit your home resale value.
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How much does a solar roof cost?Pricing of Timberline Solar® for the average home varies based on a number of factors, including the size and slope of the roof, the shading around the home, and how much sunlight reaches the roof throughout a typical day. A Timberline Solar® roof is designed to be affordable and is typically comparable to a new roof plus traditional rack-mounted solar. Timberline Solar® is currently available for residential installation, and may be available for commercial buildings in the future.
What are the benefits of solar shingles compared to rack mount solar panels?Timberline Solar® is the first true solar roof on the market. It incorporates the world’s first nailable solar shingle, which roofers can install as easily as regular roofing shingles, with only a nail gun. The benefit of this roof-integrated solar system is its seamless, waterproof installation that mimics traditional shingle installation. With most residential solar systems on the market using rack mounted panels or tiles, these setups require specialized installation skills and structures that can require ballast and/or can puncture your existing roof with lag bolts. This could disrupt the waterproofing to your roof, possibly degrading your roof quicker. Plus, the smaller form factor of the Timberline Solar® Energy Shingle (ES) as compared to a solar panel allows for installation on more complex roof shapes such as dormers or hipped roofs.
Are solar shingles as efficient as panels?Due to the unique design of Timberline Solar® as a complete roofing system, efficiency cannot be calculated in the same way as a traditional solar panel. The ES is made out of the same high-efficiency mono PERC cell technology found in Tier 1 solar panels, and depending on a home’s specific roof geometry, Timberline Solar® may fit more kW per roof than traditional solar panels.
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Does my solar roof come with batteries or grid connection?Timberline Solar® is designed to be operated in connection with the electric grid, and is compatible with many energy storage offerings on the market. AC-coupled batteries are designed to be added to existing solar installations at any time. Other energy storage systems may require unique equipment for existing solar installations. All options and features for energy storage are site dependent and unique to the particular energy storage system. Please verify with a licensed energy storage contractor in advance that the specifications are right for the installed solar components and the desired operation modes (backup, self-consumption, time-of-use load shifting, etc.).
What tax credits are compatible with GAF Energy Solar Roofs?We encourage roofers and homeowners to consult their tax advisors on all available solar tax incentives.
Where is Timberline Solar® available?GAF Energy’s strategic rollout process is well underway, with the immediate goal to bring Timberline Solar® to every state in the U.S. Our vision is energy from every roof. Our major markets right now focus on the Southeast, Midwest, Northeast, Mountain West, and West Coast of the US. We operate in states like California, Colorado, Texas, Florida, South Carolina, North Carolina, Virginia, Maryland, New Jersey, Pennsylvania, and New York–and add new service areas regularly. Please contact us at www.gaf.energy/timberline-solar to find out if we are available in your area—we may very well be! If you are not in an active territory yet, we can alert you when we open service in your region.
What is maintenance like on my solar roof?Timberline Solar® is warrantied for diverse weather conditions such as snow, rain, and wind, and the system is designed to require little to no maintenance. Seasonal rains should help keep the solar shingles clean of dirt and debris, but if not, homeowners can either gently rinse their shingles (only when they’re cool). Timberline Solar® provides excellent, durable protection from the elements while generating reliable clean energy for the home. It’s a roof, with power added, designed to protect your home from leaks and other weather-related issues. Timberline Solar® customers can monitor output and track their clean energy production by logging in to the GAF Energy customer portal. Solar roof monitoring puts data directly in customers’ hands and makes it easier to readily detect any issues.
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