Solar panels are available in a wide selection of abilities, quality, price points and features. The perfect solar panels for your home and needs may differ greatly from those that fit your neighbors’ requirements. Consider the following criteria when deciding which ones best meet your needs.

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Solar Panel Costs

The cost of a solar energy system for a home averages around $16,000, with a range from just $3,500 to over $35,000. Although quality plays a role in solar panel costs, so too do the features and capabilities of individual system components. Look for solar panels that offer the best return on investment, including the ability to slash your energy bill costs but still fit within your budget.

Solar Panel Efficiency

The efficiency rating is stated as a percentage that reflects the productivity of individual solar panels. The current average efficiency rating for residential panels is around 18%. High-performance solar panels have efficiency ratings of over 22%, while budget products come in at approximately 16% efficiency.

Not every home requires the highest efficiency rating possible. Your budget, energy needs, and available space will help determine an acceptable efficiency range. Remember that solar panel efficiency degrades somewhat over time when shopping.

Solar Panel Wattage

To be beneficial, solar panels need to create at least as much power as they replace. While efficiency ratings reflect how well a panel converts energy, its wattage measures the result in terms of power. Most modern residential solar panels generate between 250 and 400 watts per hour while producing power. Generally, higher-wattage panels are preferable to lower-power ones. However, your needs and budget are factors when deciding wattage output per panel.

Temperature Coefficient

A panel’s coefficient rating measures its efficiency loss as temperature increases and is expressed in negative percentage numbers. A lower temperature coefficient rating depicts a solar panel that performs better in hot weather than a panel with a higher coefficient rating. Although panels with a low coefficient rating may be crucial in hot-weather locations, they can also show noticeable results in places that experience wild temperature swings.

Your Home Power Needs

Depending on your family’s energy use, you may need a system that generates more or less electrical power. Ensure that your system will generate enough electricity during the day and, if desired, enough power storage to get you through each night. Some solar users opt for systems large enough to generate just enough power to meet some of their needs, while others choose systems that allow them to live off the grid or even sell power back to their local energy provider.

Check Solar Panel Warranties

The typical product warranty for solar panels is 25 years. System components, such as batteries, inverters and other crucial parts, often have warranties that vary significantly between products and manufacturers. Pay attention to those warranties and the panels’ output warranty after 10 and 25 years, especially if you plan on staying in the same home for a long time. Keep an eye out for both performance and manufacturer warranties.

Installation Company Availability

Beyond being available where you live, ensure that Solar Panel Supplier you choose offers the panels and system components you desire or their equivalent. Check reviews, references and price quotes when selecting a company that can meet your solar energy needs. Look for installer workmanship guarantees in addition to manufacturer warranties.

Available Roof Space

How much roof or yard space you have, facing in the optimum direction, is a crucial factor that may limit your panel choices. Smaller spaces benefit from fewer panels with higher wattages and efficiencies, while homeowners with larger available spaces could benefit from having more panel quantity and power options.

Check Solar Panel Reviews

Not long ago there were few solar power customers to look to for their experiences. As solar-energy popularity grows, and now that consumers have had several years to evaluate their systems over time, that’s all changed. Online reviews of solar panels, installers, systems, storage and other components are readily available, so you can be confident that you’re investing for the best possible outcome.

Solar Installation Recommendations

Solar energy systems are constantly evolving and improving. When making your purchase decisions, ask others with experience owning the system you’re considering about what they’ve learned. Also, keep an open mind to recommendations from your installation company regarding your energy needs. In an ever-changing industry, there’s always new information that could be beneficial.