There is a very big problem with choosing solar panels; they all look pretty much the same. For the most part, they&#;ll all work pretty much the same week one out of the box too.
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However, with a solar panel what you want is high quality performance over a long period and that&#;s where you see the separation between brands happen.
The better and yes, generally more expensive brands, will give that performance and longevity. Meanwhile on the cheapest end of the spectrum I&#;ve seen panels of such poor build quality that after the first couple of rains, water made it inside the front surface, calcified part of the cells and rendered the whole panel useless. After that the manufacturing company couldn&#;t be gotten hold of so no warranty could be used and would be too expensive to pursue.
So to avoid this entire headache, its best to choose a good set of panels from the start.
As it happens the criteria for this are very similar to the criteria for choosing the inverter that goes with your panels.
The internet is a wealth of information on different panel brands and it quickly becomes clear which the best are.
As a rule of thumb, most European brands are reliable, Germany in particular, has a high quality standard. China generally works to a market demand of quantity and price over quality with notable exceptions of the Suntech, Trina and Kyocera.
Things to definitely be wary of:
This is a big one. It is required that the process for actioning your warranty be expressly written with your warranty document. In particular, it should precisely say what the company is responsible for and what you are responsible for.
What you want to see is that the company will take on the entire cost for removing, transporting, replacing and reinstalling any defective panels within a defined time period.
Companies that aren&#;t willing to make this commitment probably aren&#;t confident enough in their own product, so you probably shouldn&#;t be either.
This is related to the warranty issue but extends to all types of support. It also is an indication of the quality of the product and the probability that the company will still be around in at least the next 5-10 years in case you need support in the future.
Ideally, you want a representative or a contact to be based in Australia. This also results in quicker turn around times for any support/warranty issues.
The type of panel you buy e.g. mono/poly crystalline or thin film will be influenced by the roof you want to install on.
For example, if it&#;s at the front of your house then there might be aesthetic concerns. In which case you may want to select a frameless thin film panel as people generally like the look of these more.
If you have a large unshaded roof , you may choose mono/poly crystalline to maximise the energy yield, because they have higher efficiencies.
If you have a roof that is partially shaded for part of the day, but you still want to maximise what you can get out, you may choose thin film modules because they operate better than crystalline modules under shading.
These are all design related questions that your solar company should be able to guide you through.
Are you considering harnessing the power of the sun to energize your home? With the numerous benefits of solar energy, from reducing utility bills to contributing to a cleaner environment, making the switch to solar panels is an attractive option for many homeowners. However, selecting the right solar panels can be a daunting task, especially with the variety of options available in today's market. In this guide, we'll walk you through the essential factors to consider when choosing the perfect solar panels for your home.
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Before diving into the world of solar panels, it's crucial to assess your home's energy requirements. Factors to consider include your average energy consumption (check your utility bills), the size of your home, and the number of occupants. This initial assessment will help you determine how many solar panels you'll need to meet your energy demands effectively.
There are primarily two types of solar panels commonly used for residential installations:
Monocrystalline Silicon (mono-Si): Known for their high efficiency and sleek appearance, monocrystalline panels are made from single-crystal silicon. They tend to have a higher upfront cost but offer greater efficiency in converting sunlight into electricity.
Polycrystalline Silicon (poly-Si): These panels are made from multiple silicon crystals, making them more cost-effective to produce. While slightly less efficient than monocrystalline panels, polycrystalline panels provide a budget-friendly option for homeowners.
Efficiency: Solar panel efficiency refers to the percentage of sunlight that gets converted into electricity. Typical efficiencies range from 15% to 20% for most panels on the market. Higher efficiency panels generally cost more but can produce more electricity in the same amount of space.
Power Output: Measured in watts (W), power output indicates how much electricity a panel can produce under standard conditions. The higher the wattage, the more electricity the panel can generate.
Durability: Solar panels are designed to withstand outdoor conditions for decades. Look for panels with a sturdy frame and tempered glass to ensure durability against hail, wind, and snow. Panels should ideally come with a warranty guaranteeing performance for 25 years or more.
Warranty: A robust warranty is crucial when investing in solar panels. Ensure the manufacturer offers a comprehensive warranty covering defects and guaranteed performance over the panel's lifetime. Reputable manufacturers often provide warranties ranging from 25 to 30 years.
Compatibility: Before purchasing solar panels, verify that they are compatible with your home's electrical system and meet local building codes. This ensures a seamless integration into your existing infrastructure.
Certifications: Look for solar panels certified by recognized organizations such as UL (Underwriters Laboratories) and IEC (International Electrotechnical Commission). These certifications indicate that the panels meet safety and performance standards.
Aesthetics: Consider the appearance of the solar panels and how they will blend with your home's architecture. Monocrystalline panels are often preferred for their sleek black appearance, while polycrystalline panels have a blue tint.
Installation Options: Decide on the installation method that best suits your property. Roof-mounted panels are the most common and economical option for many homes. Ground-mounted systems offer flexibility in placement and can potentially optimize sun exposure. Tracking systems follow the sun's path throughout the day, maximizing energy production but at a higher cost.
Prices: Research and compare prices from multiple solar panel manufacturers and installers. Consider the cost per watt and the overall system price, including installation and any additional equipment.
Incentives: Explore available incentives such as federal tax credits, rebates from your utility company, and local incentives for renewable energy installations. These incentives can significantly reduce the upfront cost of installing solar panels.
Expertise: Working with a qualified solar installer is essential for a successful solar panel installation. Installers can assess your energy needs, recommend the best panel configuration, handle the installation process, and ensure compliance with local regulations.
Customized Solutions: Professional installers can provide customized solutions based on your specific energy requirements and property characteristics. They will also handle permits, inspections, and interconnection with the utility grid.
Choosing the right solar panels for your home is a significant decision that requires careful consideration of various factors. By assessing your energy needs, understanding different panel types, evaluating efficiency, durability, and certifications, and exploring installation options and incentives, you can make an informed choice. Remember to consult with a reputable solar installer to ensure a seamless transition to solar energy and maximize the benefits for your home and the environment.
Harness the power of the sun and start enjoying the benefits of clean, renewable energy today!
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