How Long Do Solar Panels

For the sake of example if you are getting 5 hours of direct sunlight per day in a sunny state like california you can calculate your solar panel output this way.

How long do solar panels. To put your mind at ease studies have proven solar panels can last anywhere between 25 to 30 years or sometimes more. Polycrystalline silicon panels on the other hand are blue in color. After your investment is paid off your solar panels will continue to generate clean electricity for free and will continue to do so for as long as your equipment lasts. Chances are if you installed a roof top solar system today it would last longer than your roof.

Yes you read that right. How much energy does a solar panel produce. How quickly do solar panels degrade. Luckily the lifespan of solar panels will allow you to produce energy for many years providing a great return on investment.

5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh. While solar panels do last a long time and continue to perform at a high level for at least the duration of their warranty it s important to note that some very slight degradation is inevitable. Solar panels last about 20 years according to the federal trade commission. Especially because your panels will not stop working after 25 years they just won t work as well.

When you re considering investing in a solar installation wondering how long home solar panels last is a question that inevitably pops up. The great news is that with proper maintenance your panel may actually run for as long as 40 50 years. Thus the output for each solar panel in your array would. The official word from seia solar energy industries association is that the average lifespan of a solar panel is between 20 and 30 years.

The general answer for monocrystalline and polycrystalline panels is 25 years. Given that many solar panels and inverters come with 25 year product warranties you can expect more than two decades of trouble free operation from your solar array.