Solar panels last about 20 years according to the federal trade commission.
How long do industrial solar panels last.
This is the industry standard warranty from tier 1 manufacturers.
Here is how the manufacturers come up with this number.
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.
They will last at least 25 years and definitely give you a return on your investment especially if your utility company offers net metering.
The regular warranty for photovoltaic solar panels lasts 25 years.
Properly maintaining your solar panels will help ensure they last longer.
If you re considering switching to solar as a long term investment then traditional monocrystalline or polycrystalline panels are the way to go.
Crystalline panels are usually guaranteed for 20 25 years while film panels are generally guaranteed for only 2 5 years.
Most solar panels last 25 years with an average annual degradation rate of 50.
Today most solar panel manufacturers offer a 25 year warranty on their panels.
They calculate a loss of efficiency of 8 for every year.
1 however this doesn t mean the panels on your roof will stop producing electricity after a couple of decades.
Solar inverters and solar batteries will need replacing within the 25 year solar panel lifespan.
If your tier 1 panels do not perform to standard for 25 years we will assist you in filing a guarantee claim with the manufacturer to replace the panels.
25 years or longer.
The warranty typically guarantees panels will work above 80 of their rated efficiency after 25 years.
The official word from seia solar energy industries association is that the average lifespan of a solar panel is between 20 and 30 years.
However the assurance from manufacturers in the shape of a long term warranty suggests that the lifespan of solar panels is at least two to three decades and likely even longer.
The great news is that with proper maintenance your panel may actually run for as long as 40 50 years.
How long do solar panels last.
Summit solar exclusively employs tier 1 solar panels which guarantees a minimum of a 25 year performance.
Solar panels do not go bad and very rarely are they faulty or break.
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.