All our panels are backed by a 25yr warranty

Sun Warranty Claim form

Evergreen Warranty Information Evergreen Solar warrants for a period of ten (10) years from the date
of sale to the original consumer purchaser that the power rating at Standard Test Conditions will remain at 90% or greater of Evergreen Solar’s Minimum Specified Power Rating. Evergreen Solar further
warrants for a period of twenty-five (25) years from the date of sale to the original consumer purchaser that the power rating at Standard Test Conditions will remain at 80% or greater of Evergreen Solar’s Minimum
Specified Power Rating. Evergreen Solar will, at its option, repair or replace the product,
refund the purchase price, or provide the purchaser with additional modules to make up lost power, provided that such degradation is determined to be due to defects in materials or workmanship under
normal installation, application, and use. The panels must be installed according to the latest Safety, Installation and Operation Manual provided by Evergreen Solar otherwise this warranty will be void.

Kaneka panel warranty: Guarantee 25 years power warranty (80%)* 12 years power warranty (90%)* 5 years product guarantee*