In fact it seems the only reason to have two separate warranties.
Solar world panels warranty 25 years.
This is the 25 year warranty offered by most solar manufacturers.
What is a solar panel warranty.
Solarworld has a proven track record of outlasting and outperforming their warranties.
An equipment warranty will typically guarantee 10 12 years without failing.
Complete service warranty if you experience issues with your system within 25.
A solar panel s performance warranty will typically guarantee 90 production at 10 years and 80 at 25 years.
Their solar panels are guaranteed to continuously produce a minimum of 90 of the original cited power.
The solarworld dual warranty is a 3rd party backed 15 year extended warranty that begins when the original warranty expires or in the event the original warranty cannot be supported providing up to a 25 year combined module warranty.
A strong 10 12 year product warranty and a much weaker 25 year performance warranty.
In the past to make the numbers work you needed to extend the performance life of the system for 25 to 30 years.
This warranty covers solarworld usa modules in systems ranging from 3 20kw that have been installed after 1 1.
Where some solar companies mislead consumers is on the limited power warranty or performance output warranty.
Many industry manufacturers offer a tiered approach to their warranties which provides a standard 90 and then 80 over the lifetime of the modules.
A performance and equipment guarantee.
Solar panels produced at solarworld manufacturing plants have operated in the field for the past 40 plus years making them the longest continuously running commercial solar manufacturer.
I come from the roofing industry where most roofs rarely make it to the 25 or 30 year roof warranty end.
A solar panel s product warranty insurance covers the integrity of the panel itself and protects you.
Many solar panel manufacturers may think they are not required to do anything about panels that fail due to these defects while only covered by their 25 year performance warranty.
Both warranty models are third party backed which means that even if solarworld cannot support your original coverage your panels will still be under warranty.
Panasonic s solar warranties vary based on product with most entries coming with a 25 year limited product warranty.
A higher standard of quality.
Solarworld was the first company to offer a 25 year linear performance guarantee.
25 years system on your roof.
They also have a limited power warranty promising that solar panels will retain at least 90 76 of their power output capability across the 25 year warranty timespan.
It seems the 25 year warranty is really based on solar financing.
Highest 25 year production warranty at a record breaking 0 25 degradation rate your sunpower system will continue to produce more energy than the vast majority of systems on the market.
10 years monitoring technology.