A Homeowner’s Guide to Solar Panel Efficiency Over Time

Have you ever wondered about solar panel efficiency over time?

As you’re deciding whether you want to make the switch to solar energy, you might wonder about the solar panel lifespan. Knowing how long they last is important because they’re a significant financial investment. Learning about the efficiency of solar panels can also help you determine whether you’ll get your money’s worth.

Below, we’ll answer the question “How efficient are solar panels?” Keep reading to learn more so you can figure out whether solar energy is right for you!

Why Are Solar Panels Efficient?

Solar panel efficiency stems from the ability to draw energy from the sun’s rays and convert it into power. This power can be used for a number of things, including lighting and heating a home or office.

Many people prefer solar panels to regular energy for several reasons. First, solar panels provide clean, efficient energy. Electricity companies use fossil fuels to get energy to your residence or office. This destroys the environment and requires the establishment of a grid.

Solar panels don’t need to use fossil fuels because they sun provides enough energy for most home and office uses. Some solar users also connect to the local grid. Yet, this is mostly because solar panels will dump unused energy into the grid. So, solar panels are an efficient solution for the whole community.

Second, solar panels are also cost-efficient. Energy companies charge you for the amount of their energy you use. Once you install solar panels, you’ll generate your own energy. So, you won’t have to pay nearly as much on your electric bill!

Solar Panel Efficiency Over Time

Most solar panels last from 25 to 30 years, as long as they’re kept in good condition. In fact, some of the solar panels that were installed at the beginning of the solar boom are already starting to get uninstalled.

Solar panel efficiency over time decreases. Experts estimate panels become 0.5% less efficient each year. If you live in hotter climates, this percentage might increase.

Once the solar panels reach their second decade of life, they may still produce energy. Yet, the level of energy output isn’t guaranteed. As such, it’s best to get older solar panels assessed and see if you may need new ones.

Still a 20 year-old solar panel often still has 90% of its efficiency left. So, you can benefit from solar panels for a significant portion of your life. This reduces your carbon footprint and saves you thousands of dollars.

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Ready to Get Solar Panels?

Even though solar panel efficiency over time reduces, most people agree that solar panels are more efficient and cost-effective than using other energy alternatives.

If you want to get solar panels, make sure you find the right company to install them. Attempting to install solar panels on your own can lead to injury or damage to your property. Contractors can assess the needs of your home and help you get the right number of panels.

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