Solar Power for Beginners: A Comprehensive Beginner's Guide to Setup and Install Solar Power System Easily and Effectively at Home by Simon Gorman

Author:Simon Gorman [Gorman, Simon]
Language: eng
Format: azw3, mobi, epub
Published: 2020-12-08T16:00:00+00:00

How long do solar panels last?

A high number of manufacturers are indeed based on warranty that produced solar panels will be a minimum of 80% effective for about 25 years and thereabout.

Meanwhile, when the warranty of 25 years elapses, the solar panels won’t shut down, but they will only be generating low output. For instance, a solar panel with 300 watts would generate 240 watts of output when the 25 years elapse.

According to the National Renewable Energy Laboratory (NREL) research, it was revealed that 75% of solar panels produced went beyond the 25 years warranty. This means that solar panels are likely to be reliable and effective than earlier thought.

On the other hand, other components such as batteries and inverters do not last as much as solar panels. You are expected to replace other components such as batteries and inverters at least once after their warranty elapses. In addition, the replacements should also be considered in the full prices of the existence of the solar systems.

In a normal situation, inverters should last in a range of 10 to 20 years. This means you are expected to change your inverter once in 20 years or so.

Lastly, if you have batteries in your solar power systems, it is also expected to be changed. Depending on its maintenance level, lead-acid batteries may last between 3 to 7 years. Meanwhile, lithium batteries are more efficient as they last between 10 to 15 years with good usage.

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