30 YEARS PERFORMANCE GUARANTEE
Sonnenstromfabrik also offers its customers the option of extending the product guarantee for glass/foil modules to 25 years and for glass/glass modules to 30 years.
| Industry standard | Excellent Glass/Glass | Excellent | |
| Product guarantee | max. 10 years | 20 years | 12 years |
| Optional extension of product guarantee |
no | yes, optional 30 years | yes, optional 25 years |
| Performance guarantee | in steps | linear | linear |
| Performance guarantee after 1 year | no | 97% | 97% |
| Performance guarantee max. | 20 years | 30 years, 87% | 26 years, 80% |
| Annual max degradation after year 2 |
n/a | 0.35% | 0.68% |
| Total Care protection | no | yes, optional | yes, optional |
Total care
Sonnenstromfabrik offers an optional Total Care insurance. This Total Care Insurance not only secures your modules but all components of your complete PV system including storage system.
Guarantee Extension
Sonnenstromfabrik offers a product warranty of 12 years for its Excellent module series and of 20 years for its Excellent Glass/Glass module series. On top of that, Sonnenstromfabrik offers its customers the possibility to extend the product warranty to 25 years for modules of its Excellent series and to 30 years for modules of its Excellent Glass/Glass series.
