Our promise of Quality
...

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.


HIGHEST QUALITY ALONG THE VALUE CHAIN

Our pursuit of the highest quality for our solar modules forms the basis for everything we do—from incoming goods inspection, to monitoring manufacturing processes and carrying out tests in our own module testing lab. After all, our products must deliver what they promise – over their entire service life.

EXTENSIVE PERFORMANCE AND PRODUCT GUARANTEES

Our 'Made by SolarWorld' quality standards are based on the real-world conditions our modules will be exposed to on your roof over many years. We ensure the quality of our modules through a large number of load tests, and with the strictest requirements for the materials used. This quality standard enables us to provide extensive performance and product guarantees for our products.

  • LONG-TERM TEST UV-STABILITY

    SolarWorld exceeds the IEC standard, testing with a UV exposure that corresponds to a 30-year service life

  • AGING TEST IN CLIMATE CHAMBERS / HUMIDITY-FROST TEST / THERMAL CYCLING TEST / HUMIDITY-FROST TEST

    Extended IEC test – at least three IEC tests for module testing in climate chambers


HIGH-TECH FROM THURINGIA

In Arnstadt, Thuringia, SolarWorld Industries GmbH produces high-performance monofacial and bifacial mono-PERC cells. The complex offers a state-of-the-art production capacity of up to 700 megawatts for solar cell production. The focus of solar cell production lies clearly on especially high performance: The Arnstadt plant was one of the first solar production sites in the world to mass produce high-efficiency, high-performance PERC cells (Passivated Emitter Rear Cell).

HIGH-POWER FROM SACHSEN

Today, a fully automated factory produces bifacial glass-glass modules under the brand "Sunmodule Bisun protect” and glass-film modules under the brand "Sunmodule Plus” in one of the most modern solar module production facilities worldwide. The ever-increasing performance of our premium products demonstrates how innovation is transferred to mass production.

RESEARCH AND INNOVATION

In our own research and development department at the Freiberg location, we are continuously working to optimize and increase the efficiency of our solar products. Highest quality is the top priority for all innovations and product introductions. Before a new material is used in one of our solar modules, it has been carefully evaluated across the entire life cycle. Only when the material meets the high quality requirements is it used in our products.


positive power tolerance

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

20 years product warranty – The 20-year product warranty is above the market standard and offers our customers a high level of investment security.

25-year linear performance warranty

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

30-year linear performance guarantee

Sunmodule Bisun protect – SolarWorld Industries GmbH 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.