How Many Years Will A Solar Panel Last

As a general solar industry rule of thumb solar panels last about 25 30 years.

How many years will a solar panel last.

When you re considering investing in a solar installation wondering how long home solar panels last is a question that inevitably pops up. Of course that number is just an estimate. However keep in mind that warranties are only valid if the panels are installed properly. Of course that number is just an estimate.

Generally speaking the batteries in outdoor solar lights can be expected to last about 3 4 years before they will need to be replaced. If you install a solar battery today you will likely need to replace it at least once to match the 25 to 30 year lifespan of your pv system. In reality solar panels can last quite a bit longer than that. Sunlight that reaches the solar panels generates electricity that is stored into the solar light batteries and is used once it is dark outside.

This doesn t necessarily mean that solar panels will abruptly stop working after a few decades. Instead it means that their energy production will slowly decrease so that they no longer fully meet the average american family s energy needs. How long do solar panels last. At vivint solar however we work with the best manufacturers and they re so confident in their panels that they offer 25 year warranties.

Luckily there are studies that have shown that solar panels can last between 30 to 40 years. You can count on most photovoltaic solar panels to last 25 years before they begin to noticeably degrade. The warranty typically guarantees panels will work above 80 of their rated efficiency after 25 years. However this doesn t mean that they stop producing electricity after 25 years it just means that energy production has declined by what manufacturers consider to be a significant amount.

The leds themselves can last ten years or more. However this doesn t mean the panels on your roof will stop producing electricity after a couple of decades. 25 years or longer. To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more.

This is the industry standard warranty from tier 1 manufacturers. That being said the federal trade commission estimates that many solar panels last for about 20 years. Most solar panel companies will provide a standard 25 year warranty for the expected life expectancy of the solar panels. Working with a qualified solar installer is strongly recommended.

You will know that it is time to change parts when the lights are unable to maintain charge to illuminate the area during the night. However just as the lifespan of solar panels has increased significantly in the past decade it is expected that solar batteries will follow suit as the market for energy storage solutions grows.