Longest Life Solar Panels

The life expectancy of solar panels when you re considering investing in a solar installation wondering how long home solar panels last is a question that inevitably pops up.

Longest life solar panels.

To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more. Iron edison claims that discharging down to 80 the same as the lithium batteries above you ll still enjoy 11 000 life cycles 10 more than the lithium batteries. After 25 years your solar panels won t necessarily need to be replaced. Is that rule accurate.

For instance if you have installed monocrystalline panels you can continue to use them without any issue for more than 25 years. However their ability to absorb sunlight will be reduced. And at just 960 for a 100ah battery they come in cheaper as well. Photovoltaic pv modules typically come with 20 year warranties that guarantee that the panels will produce at least 80 of the rated power after 20 years of use.

The general answer for monocrystalline and polycrystalline panels is 25 years. Yes you read that right. Most solar panel companies will provide a standard 25 year warranty for the expected life expectancy of the solar panels. High quality equipment makes a difference visit the energysage buyer s guide to compare panels side by side.

The general rule of thumb is that panels will degrade by about 1 each year. Solar panels usually last for 25 to 30 years. Chances are if you installed a roof top solar system today it would last longer than your roof.