EPC / Resellers

When you purchase PV modules, whether it is to use them in a PV plant or to re-sell them to one of your clients, the quality of the modules is critical to ensure that your reputation will be preserved. STS offers a large range of services enabling you to make certain of the utmost reliability of the solar panels you purchase.
Click on a service to learn more.

PV Module Mass Testing
Make sure of the quality of 100% of your PV modules by sending them to our testing center, where they will be completely tested, according to more than 50 points of control.

Production Monitoring
Thanks to STS’ Production Monitoring, you are sure that the right components are used during the production process, but also that the right quality standards are applied, that the quality management processes are properly implemented, and that the products reach the expected quality level.

Factory Audit
Our Factory Audit will ensure that the selected manufacturer has the capability to deliver products of the expected quality thanks to its management system, working skills, workshop operations, technology, etc.