Most of solar PV panels are guaranteed 10 or 12 years.
VOLTEC Solar offers 20 years product warranty on range TARKA and up to 30 years product warranty for dual glass BIVA panels, all panels installed European wide.
Our new performance warranty covers a linear power degradation for 25 years and guarantees 87% of of sold standard test conditions (STC) power.
For more details, please read our product and performance guarantees available in download section.