SolarWorld AG relies on Germany as its technology location, thereby ensuring sustainable product quality.The TUV Rheinland Power controlled inspection mark guarantees that the nominal power indicated for a Sunmodule Plus is inspected at regular intervals and thus ensured. The deviation to TUV is maximum 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 +5 Wp.With its linear performance warranty covering a period of 25 years, SolarWorld guarantees a maximum performance degression of 0.7% p.a., a significant added value compared to the two-phase warranties common in the industry. Therefore, the service certificate offers comprehensive protection for your investment in the long term.