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Installing a solar energy system can be an intimidating process. Not only is it expensive, but there are a lot of moving parts and jargon that can be difficult to understand.
We've researched dozens of solar panel brands from leading solar companies to make it easy for you This guide covers their performance rating, price, warranty and other important issues
Top 5 Solar PanelsBased on our research, these are the best residential solar panels
Phrases:Silfab manufactures high performance solar panels at lower prices than premium brands. It uses PERC (passivated emitter and return contact) technology, which includes an extra layer of solar cells behind the panel to produce more power in less space.
Silfab backs its panels with one of the longest extended warranties on the market today
Silfab screenshot:
Below are Silfab's current offerings for solar panels:
Maxion was previously part of leading solar installation company SunPower, but is now independent. The company manufactures high quality solar panels that come at a premium price. However, it guarantees 92% performance for 25 years and includes a 25-year product and performance warranty. When you buy an appliance from the company's SunPower Maxeon line, you get a 40-year warranty on performance, product and service.
Maxeon screenshot:Here are two lines of Maxion solar panels.
Known as the leading manufacturer of solar cells for Tesla, Q Cells produces modules with excellent performance and power balance. The company continues to push the limits with a strong staff.
Its current model Q.PEAK DUO BLK ML-G10+ offers up to 21.4% efficiency. It is backed by a 25-year product and performance warranty that guarantees at least an 86% power rating for up to 25 years.
Image of Q cellsHere is a description of the current panel of Q cells:
Canadian Solar makes well-designed, affordable mid-range solar panels. It is characterized by different panels. The company offers nine types of solar panels, while other brands on this list offer four or fewer.
Photo by Canadian SunBelow is a summary of Canadian Solar's various solar panel lines:
Trina Solar offers some of the most cost-effective solar panels that exceed the industry standard of 15% to 18% efficiency. Although these panels are not high-end, their balance of quality and price makes them a favorite among homeowners on a budget
Snapshot of Trina Solar:Here is Trina Solar's line of solar panels:
When planning your solar power system, it is very important to know the different types of solar panels. Although monocrystalline is the most common type, you can also consider polycrystalline or thin film modules depending on the project.
Monocrystalline platesMonocrystalline solar panels are suitable for most homeowners as they currently have a peak efficiency of 24% on average. They're also inexpensive, last 25 to 40 years, and come in black to blend in more easily with your roof. Monocrystalline modules cost between $1 and $1.50 per watt.
Polyuristic panelsWhile monocrystalline panels use only one silicon crystal, polycrystalline solar panels are made from different silicon crystals that are melted and poured into a mold. This process produces less waste, but makes the modules slightly less efficient than monocrystalline ones. Polyuristic panels have an average efficiency of about 20% and a service life of less than 20-25 years.
Polyuristic panels have a low thermal resistance and a light blue color. They are cheaper at $0.85 to $1 per watt. To produce the same power, you need more polycrystalline modules than monocrystalline. However, if you have enough roof space, you can save money by going for polycrystalline panels.
Thin membrane plateThin films consist of thin layers of semiconductor material welded together. Solar panel manufacturers often sell them in standard sizes of 60, 72 and 96 units. Thin film modules are 15% to 18% less efficient and cost an average of $1 per watt. These modules are ideal for small solar projects like RVs or swimming pools.
Buying tips for solar modulesAlong with the type of solar panel, there are some other important details to consider.
Energy demandEnter your typical energy usage and average monthly electricity bill. If you pay more than the average electric bill in your area, or an average of $115 per month, you can save money by going solar. By using less energy, you won't be able to save as much as other homeowners.
death penaltyBe aware of the weather and climate conditions in your area. Solar panels are constantly exposed to the elements, so look for panels with a good temperature coefficient This refers to the power loss of solar cells at high temperatures. If you live in a hot area, look for panels that can withstand extreme heat and still have close to optimal energy levels.
Price:Solar panels cost an average of $15,000-$35,000 to install. It's an expensive investment, so make sure your system lasts by investing in high-quality, high-performance panels. If you have enough roof space, you can buy cheaper, less efficient panels, but it will probably cost you more because you'll need more panels to produce the same level of power as more efficient panels.
Tax creditYou can boost your solar energy savings with the government's Solar Tax Credit, also known as the Investment Tax Credit (ITC). It gives you a 30% rebate on your federal taxes for any solar system installed through 2032. You should also check with your solar supplier and utility company for state and local incentives. Many states offer incentives for private solar panels, and some local power companies offer rebates.
guaranteeWarranties provide financial protection for solar panels if they fail due to manufacturing or installation problems. Many solar energy companies include a performance warranty or guarantee to ensure that the panels will perform as they should for your warranty period.
Look for at least 10 years of product and 25 years of service coverage. The Federal Trade Commission reports that solar panels typically last 20 years, so this length ensures you'll get significant performance for most of the panel's life.
to decideThe best solar panel depends on your budget, climate and energy consumption. Remember that the most efficient panel is not always the best choice.
With standard performance ratings and long-term performance guarantees, we consider Silfab to be the best performing solar panel brand. Maxion is another great choice for extended warranty options, and Q-Cells are a great choice due to the longevity of the modules and harsh weather conditions.
You need to find a reliable solar installer to install and activate your solar panel system. Use our tool below to get free advice from some of our leading solar installation companies.
How we rank the best solar companiesWe have spent hundreds of hours researching solar installation companies. We've thoroughly analyzed warranties and product features, read thousands of customer reviews, and secret shopped every supplier. After compiling this data, we created a rating system on a 100-point scale based on the following factors:
