As a general solar industry rule of thumb solar panels last about 25 30 years.
How long do solar panels last on roof.
Talking about the overall lifespan of a solar panel it may live up to 25 to 30 years depending on the installation conditions and type of material used for its production.
Yes you read that right.
In reality solar panels can last quite a bit longer than that.
Chances are if you installed a roof top solar system today it would last longer than your roof.
25 years or longer.
The warranty typically guarantees panels will work above 80 of their rated efficiency after 25 years.
Especially because your panels will not stop working after 25 years they just won t work as well.
This is the industry standard warranty from tier 1 manufacturers.
How long do solar panels last.
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.
These real world experiments will tell us more about how long solar panels last but there is plenty of evidence already to show that solar panels can last 30 years and beyond.
For instance if you have installed monocrystalline panels you can continue to use them without any issue for more than 25 years.