Our Quality Promise

Our promise of quality

SolarWorld Industries GmbH quality standards surpass the norm. With these high requirements to their quality Solar World Industries GmbH produces their products at their manufacturing locations in the Saxon city of Freiberg and the Thuringian city of Arnstadt in Germany.

Power controlled

The TÜV Rheinland Power controlled inspection mark guarantees that the nominal power indicated for Sunmodule Plus is inspected at regular intervals and thus ensured. The deviation relative to the TÜV value is maximum of 2 percent.

The positive power tolerance guarantees utmost system efficiency. Only modules achieving or exceeding the designated nominal power in performance tests are dispatched. The power tolerance ranges between -0 Wp and +10 Wp.

20 years product warranty – We have doubled the product warranty for our modules from 10 to 20 years* thus offering our customers even better investment security for the system.

* valid for all modules installed from January 1, 2017

Sunmodule Plus – With its linear performance guarantee covering a period of 25 years, SolarWorld guarantees a maximum performance degression of 0.7 %. The service certificate offers comprehensive protection for your investment in the long term.

Sunmodule Bisun protect – SolarWorld is setting new standards with the groundbreaking 30-year linear performance guarantee: The maximum degradation of just 0.35 % p.a. ensures a guaranteed module performance of 90 % after 21 years, and 86.85 % after 30 years.