As we know, solar technology is becoming more advanced and increasingly popular worldwide as it is a source of clean and green energy. It is easy to install and a sustainable choice. Homeowners often demand something to reduce their carbon footprint and electricity costs. Solar panels and solar roof tiles are the two primary solutions available to homeowners looking for ways to integrate solar energy into their houses. Now, it is very important to determine which choice suits your needs because both offer different features, such as cost, efficiency, durability, etc. Today, we are gonna review the solar panels and solar roof tiles to assist in your decision on which one is best for you.
Let’s start with a basic understanding of the difference between solar roof tiles vs solar panels.
What Are Solar Panels?
Solar panels are flat rectangular panels mounted on roofs. They are made of photovoltaic cells, also known as solar cells, and are usually installed on a metal frame. They generate energy directly from sunlight by converting sunlight into electricity. Traditional solar panels are made of monocrystalline or polycrystalline silicon. Some of the well-known companies that produce great solar panels are Canadian Solar, Sun Power, and LG. These solar panels are reliable, highly efficient, and convert sunlight into usable electricity. They are a bit expensive compared to others, such as GM solar.
What Are Solar Roof Tiles?
Solar roof tiles, sometimes known as shingles, are a form of photovoltaic technology in which solar cells integrate directly into roof tile materials. As opposed to rooftop solar panels, these solar tiles can replace ordinary roofing tiles that will cover your home’s rooftop. The design of solar tiles is the same as that of regular roof tiles, which offers a complete solution for solar energy and also enhances the beauty of your rooftop. Some of the leading companies that manufacture excellent solar tiles are Tesla’s Solar Roof and Sun Tegra, which provide benefits to homeowners, protect their homes, and provide electricity.
Solar Roof Tiles Vs Solar Panels: How Do They Compare?
Efficiency
Solar Panel Efficiency
Nowadays, monocrystalline solar panels are the most efficient, with an efficiency of 20–25%. The top two manufacturers of solar panels with a 22% efficiency rate are Sun Power and LG. Sunpower Maxeon 5 is the best solar panel, with an efficiency rating of 22.2%. However, compared to monocrystalline solar panels, polycrystalline solar panels are less efficient, with an efficiency rate of about 15% to 20%, but they are more economical.
Solar Roof Tiles
Solar roof tiles have an efficiency level ranging from 13 to 15% compared to solar panels, such as Tesla’s Solar Roof Tiles. Even though the solar cells are built right into the glass tiles, which results in a somewhat reduced energy conversion rate, Tesla claims that the Solar Roof tiles are composed of tempered glass, which offers a lifetime. CertainTeed Solar Roofing: With an efficiency rating of around 15% to 18%, CertainTeed’s Apollo II system is another well-known rival in the solar roof tile industry. Although it is superior to Tesla’s, it still falls short of the most recent conventional solar panel technology.
Cost
The installation cost of solar technologies will be considerably impacted by location, roof size, and the individual technology utilized.
Solar Panel Cost
The installation Costs of Traditional solar panels usually cost $2.50–$3.50 per watt, depending on the type and installation complexity. For an average 6-kW system, the total cost (before any incentives or rebates) can range from $15,000 to $25,000.
In Monocrystalline Panels, The upfront cost for high-efficiency panels from brands like SunPower and LG may be higher, but they provide better performance and a longer lifespan. The cost per watt is generally on the higher end of the spectrum, around $3.00–$3.50 per watt. Polycrystalline Panels (Standard Efficiency): These panels are generally more affordable, with prices around $2.50 per watt.
Solar Roof Tiles Cost
Tesla Solar Roofs cost $21–$30 per square foot, including the roofing material and solar energy-producing equipment. For an average-sized home with a 2,000-square-foot roof, the total cost could range from $40,000 to $70,000. This is significantly higher than traditional solar panels due to the installation’s complexity and the product’s dual-purpose nature (roofing material and solar generation). CertainTeed’s Apollo II system, which is another popular option, costs around $20–$35 per square foot, depending on the complexity of the installation. For an average-sized roof, the total cost could be similar to Tesla’s Solar Roof.
Aesthetics: Which Is More Attractive?
Solar Panel Aesthetics
Traditional solar panels might be visible and large on the roof, especially if they have a black frame. They are now more aesthetically pleasing due to design innovations like SunPower and LG’s all-black panels. However, they are more visible than solar roof tiles because they can be seen from a distance. Some homeowners could find them distressing.
Solar Roof Tiles Aesthetics
Solar roof tiles designed to fit flawlessly will make your roof appear sleek and modern. Tesla’s sleek, low-profile solar roof has won praise for providing consumers with a solar power-generating alternative without diminishing their home’s visual appeal. The tiles come in a range of shapes that match common roofing materials, including slate, terra cotta, and asphalt shingles, to make sure the solar system integrates with the architecture.
Installation and Roof Suitability
The installation process and the condition of your roof should be taken into account when selecting the best option for you.
Solar Panel Installation
Traditional solar systems are mounted on pre-existing rooftops. Installation may be finished fast, usually in one to three days, if your roof is in good shape. Because the panels are integrated into your existing roof structure, the procedure is less intrusive and complex.
Because they are simpler and faster to install, traditional solar panels are the best choice for those homeowners seeking a less disruptive, more affordable solution.
Solar Roof Tile Installation
Installing solar roof tiles is a more difficult and time-consuming process. Since solar tiles are both a roofing material and a solar energy system, the complete roof must be rebuilt. It is usually a better option for new homes or significant roof replacements. Installing solar roof tiles takes longer than installing traditional solar panels. The installation process should take a few weeks, depending on the roof’s size and complexity.
Durability and Maintenance
While both solar roof tiles and conventional solar panels are designed to last for decades, they are less resilient and require different maintenance.
Solar Panels Durability
Traditional solar panels have a lifetime of 25-30 years, with most warranties lasting 25 years. Companies such as SunPower offer high-performance guarantees and warranties, ensuring that solar panels retain 85% of their initial efficiency after 25 years. The only maintenance required for solar panels is washing and inspection. A broken panel can be repaired on its own without affecting the overall functionality of the system.
Solar Roof Tiles Durability
Solar roof tiles are normally meant to last 25-30 years, with some manufacturers providing warranties of up to 25. Tesla Solar Roof tiles, for example, include a 25-year warranty. Solar roof tiles typically require little upkeep. However, if a tile becomes broken, it may be more difficult and costly to replace than regular panels.
See Also: How does solar energy work step by step process?
What is the best solution for you?
Select Traditional Solar Panels If:
Choose Solar Roof Tiles If: