Solar Panel Average Lifetime

A 10 row single axis tracked system was installed at nrel in 2018 2019.

Solar panel average lifetime.

Most solar panels last 25 years with an average annual degradation rate of 50. The general rule of thumb is that panels will degrade by about 1 each year. To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more. Is that rule accurate.

The site supports three pv lifetime systems. High quality equipment makes a difference visit the energysage buyer s guide to compare panels side by side. According to seia solar pv systems have life expectancies of upwards of 30 years. Solar panels usually last for 25 to 30 years.

Solar panels do not go bad and very rarely are they faulty or break. Properly maintaining your solar panels will help ensure they last longer. 20 modules each of mission solar mse360sq6s mono perc sunpreme maxima hxb 400 bifacial hjt and prism solar bi72 bifacial perc. However this doesn t mean the panels on your roof will stop producing electricity after a couple of decades.

However even if the panels are guaranteed by the manufacturer to last that long what about the rest of the components that make your solar array work. For instance if you have installed monocrystalline panels you can continue to use them without any issue for more than 25 years. Over their lifetime panels very slowly degrade meaning they may produce less and less electricity. When you re considering investing in a solar installation wondering how long home solar panels last is a question that inevitably pops up.