ET Solar Group Corp. announced a linear power performance warranty for its solar module products.
The ET Solar 25-year linear power performance warranty guarantees no less than 97% of the nominal power output in the first year and then a maximum annual output degradation of 0.65% thereafter. By the end of the 25th year, the actual power output will be no less than 81.4% of the nominal power output. This warranty applies to both mono and multi-crystalline modules of ET Solar.
