How Many Years Will A Solar Panel Last

If you purchase panels with a solid warranty the return on investment is assured.

How many years will a solar panel last.

However this doesn t mean the panels on your roof will stop producing electricity after a couple of decades. How long do solar panels last. To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more. Luckily there are studies that have shown that solar panels can last between 30 to 40 years.

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

You can count on most photovoltaic solar panels to last 25 years before they begin to noticeably degrade. This is the industry standard warranty from tier 1 manufacturers. The batteries in solar lights typically last for 2 years before they have to be replaced as they are no longer able to hold enough energy to provide lighting. The leds themselves can last ten years or more.

Working with a qualified solar installer is strongly recommended. That being said the federal trade commission estimates that many solar panels last for about 20 years. This doesn t necessarily mean that solar panels will abruptly stop working after a few decades. In reality solar panels can last quite a bit longer than that.

The warranty typically guarantees panels will work above 80 of their rated efficiency after 25 years. Generally speaking the batteries in outdoor solar lights can be expected to last about 3 4 years before they will need to be replaced. Of course that number is just an estimate. Sunlight that reaches the solar panels generates electricity that is stored into the solar light batteries and is used once it is dark outside.

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. Of course that number is just an estimate. Most solar panel companies will provide a standard 25 year warranty for the expected life expectancy of the solar panels. 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.

At vivint solar however we work with the best manufacturers and they re so confident in their panels that they offer 25 year warranties. High quality solar panels last more than 25 years and their payback period is only between 4 and 8 years.