Our quality, our warranty, our service

Made in Germany - We produce our quality products in Germany and the United States, both centers of excellence for solar technology.

TÜV Power controlled - Regular tests by TÜV Rheinland guarantee that our modules maintain the rated outputs.

PV+Test – The outstanding workmanship and the temperature and low-light performance of our Sunmodule Plus SW 245 poly were rated as “excellent” by PV+Test.

GREEN BRAND - SolarWorld AG was the first company in the solar industry to be awarded the ‘GREEN BRAND’ seal of approval. The certificate is only awarded to brands which have been proven to practice environmental sustainability.


35 years of experience - As a PV pioneer, we have been producing top quality for over 35 years with expertise and passion, focused on crystalline solar power technology from the beginning.

Best protection - Whether free system insurances or real-time yield monitoring, we offer many additional services that safeguard the smooth operation of solar power systems.

Optimal system solutions - With our diverse range of products, we offer system solutions for all solar energy applications. But we never rest on our laurels with our technical developments. Instead, we equip you perfectly for the future, today.

The most customer-friendly guarantees – We provide long-term security: linear performance warranty of 25 years for the Sunmodule series, linear performance warranty of 30 years for our glas-glas module Sunmodule Protect, a 10-year product workmanship warranty, and a number of other guarantees on quality and service.

Comprehensive tests - Intensive tests that greatly exceed international standards are the key to our holistic approach to quality assurance. In this way we ensure that only premium quality products leave our factories.

A strong partner - Personal service, professional PV plant design, guaranteed quality. We offer everything one would expect from a reliable partner.