Sunny2 2  

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How long will my grid connect solar power system last ?

Solar modules have been tested in the field showing small reductions in power output after 20 years, mostly because the glass surface becomes a bit dull and reflects more light. All our solar panels carry an output warranty of 25 years. There are solar panels delivering power in Australia today that were installed more than 30 years ago. The electronic components such as inverters, being the most sensitive, will last 10 -15 years.