When you re considering investing in a solar installation wondering how long home solar panels last is a question that inevitably pops up.
How long do solar panels on roof last.
A common question when it comes to solar concerns the lifespan of the solar system.
The warranty typically guarantees panels will work above 80 of their rated efficiency after 25 years.
25 years or longer.
However this doesn t mean the panels on your roof will stop producing electricity after a couple of decades.
The average home solar panel system has equipment and performance warranties from the manufacturer.
This is the reason.
This is what you need to know about the lifespan of your solar panels.
Most equipment warranties last 10 years but some last up to 25.
Overall a quality set of panels will last around 25 30 years but they might continue working after that.
During normal circumstances crystalline panels can withstand extreme heat and cold for more than 20 years.
On the contrary film panels usually last for a period not exceeding 5 years.
A solar panel installation is a long term investment but just how long term exactly.
How long do solar panels last.
As a general solar industry rule of thumb solar panels last about 25 30 years.
Why different solar panels have their distinctive life expectancies.
In reality solar panels can last quite a bit longer than that.
To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more.
How manufacturers calculate the loss of efficiency.
With new designs today solar panels are better equipped now than ever before to resist cracking that damages cells which often happens during soldering when the panels are built.
When investing in something as big as solar panels you are probably going to want to be sure that they last a long time.
How long do solar panels last.
Especially because your panels will not stop working after 25 years they just won t work as well.
Chances are if you installed a roof top solar system today it would last longer than your roof.
With this new figure solar panels are now expected to last an average of 30 to 40 years.
Manufacturers determine warranties by how long they feel the product will produce at excellent levels.
Average solar panel lifespan.
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.
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.
Solar panels generally come with a warranty somewhere in the region of 20 to 25 years but is this an accurate representation of panel performance and degradation over time.