How Long Do Solar Panels Last

This is the industry standard warranty from tier 1 manufacturers.

How long do solar panels last. As a general solar industry rule of thumb solar panels last about 25 30 years 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. Most solar panels last 25 years with an average annual degradation rate of 50. In reality solar panels can last quite a bit longer than that. The warranty typically guarantees panels will work above 80 of their rated efficiency after 25 years.

They also guarantee that the panel power won t fall for more than 8 after 25 years. Solar panels do not go bad and very rarely are they faulty or break. The cost of electricity in your area and whether or not your electric company offers net metering. But the most effective way to make your solar panels last long is to choose a solar provider that offers a solid warranty.

How long do solar panels last. The answer to this question depends on two factors. Properly maintaining your solar panels will help ensure they last longer. 25 years or longer.

When you re considering investing in a solar installation wondering how long home solar panels last is a question that inevitably pops up. And with the knowledge that your roof top solar panels will last at least 25 years you can rest assured that your system will eventually pay for itself the only question is how long will it take. Solar inverters and solar batteries will need replacing within the 25 year solar panel lifespan.