Solar Panel Micro Cracks Warranty

These are tiny cracks on the panel and are hard to notice with your naked eyes.

Solar panel micro cracks warranty.

An equipment warranty will typically guarantee 10 12 years without failing. Solar panel micro cracks or more precisely micro cracks in solar cells pose a frequent and complicated challenge for manufacturers of photovoltaic pv modules. Undetected micro cracks can result in a less than expected field lifespan. When you are assessing a solar panel look for quality packaging and careful transportaional handling by your installer so that micro cracks can be avoided.

This is the industry standard from tier 1 manufacturers at the moment. Micro cracks occur rarely but it s usually isolated to a single pv cell. The cracks mostly occur due to pv module production and thermal and seasonal. A performance and equipment guarantee.

Mission solar and astronergy offer 10 year workmanship warranties but that number varies by manufacturer. A solar panel s product warranty insurance covers the integrity of the panel itself and protects you. My system has online monitoring. Most solar panels come with a 25 year performance warranty.

In 2017 ibc or interdigitated back contact cells were made available on the market and for the first time other solar panel manufacturers were able to claim that their solar panels rivaled sunpower s efficiency. A reduced lifespan will affect return on investment calculations overall performance and the proposition of premature replacement arrays. Cracks potentially grow over a longer operational time and thus extend their malicious impact on the functionality and performance of a pv module potentially triggering hot spots as well. Left undetected solar panel micro cracks will lead to a less than expected lifespan.

The panel with multiple cracks are a concern. Protect your investment by choosing solar panels designed to reduce the impact of micro cracks. Should a panel be detected with a micro crack by the quality control process before leaving the factory it will not be sold. I only noticed the cracks when cleaning but other than it s been working for years without an issue.

Workmanship warranties cover a shorter timeframe. Some modules that have micro cracks can still meet the warranted power over the module lifetime so rejecting every module that contains a micro cracks is not necessary but can create issues especially when dealing with warranty. Micro cracks are a common issue with solar panels and can compromise the effectiveness of your system. Performance and readings are all in the normal which i agree with.

But with time and significant weather changes the cracks can grow. A solar panel has two warranties.