How Long Do Solar Panels Really Last

In reality solar panels can last quite a bit longer than that.

How long do solar panels really last.

Wells solar offers a 25 year warranty on residential solar panel installations in texas so your system will pay for itself time and again. Most solar panels last 25 years with an average annual degradation rate of 50. Some manufacturers extend their warranties for 20 years while others will do so for the full 30 years. The warranty typically guarantees panels will work above 80 of their rated efficiency after 25 years.

A study by nrel shows that the majority of panels still produce energy after 25 years albeit at slightly reduced output. If it s a good one it ll be returning your investment with gusto in no time. Next we ll take a look at how to tell if your solar power system is giving you the most bang for your buck. Even after two or three decades have gone by the panels will continue working and generating electricity from solar energy.

Sunlight that reaches the solar panels generates electricity that is stored into the solar light batteries and is used once it is dark outside. To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more. The batteries in solar lights typically last for 2 years before they have to be replaced as they are no longer able to hold enough energy to provide lighting. 2 humid continental climate boston ma.

However this doesn t mean the panels on your roof will stop producing electricity after a couple of decades. Depending on how well you ve invested a solar panel system can last anywhere from 25 40 years with regular and expert maintenance. The truth is solar panels are designed to last a long time up to 40 years based on recent research which is probably longer than you ll live in your current home. 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.

Properly maintaining your solar panels will help ensure they last longer. 1 however this doesn t mean the panels on your roof will stop producing electricity after a couple of decades. This gives a theoretical lifespan of 28 years for crystalline panels but only 15 years for amorphous panels. To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more.

Investing in solar energy is a long term commitment. As a general solar industry rule of thumb solar panels last about 25 30 years. Solar panels do not go bad and very rarely are they faulty or break.