What to do with photovoltaic modules when a system has to be dismantled? Until now, the answer was usually recycling or disposal – often well before the end of their actual service life. LINZ AG has now shown that there is another way – when you work with 2ndCycle. Together, we tested an entire system – with a surprisingly clear result: 139 of 143 modules could be transferred to a second life cycle. This is an example of how the circular economy works in practice in the energy sector. Translated with DeepL.com (free version)
PV systems are dismantled for a variety of reasons, such as roof renovations or repowering projects. But that doesn't mean that functioning modules have to be discarded. LINZ AG wanted to know exactly how good the modules from a dismantled roof system still were and commissioned 2nd Cycle to carry out a complete performance and safety test.
Few modules defective
The results were clear: the modules were operating at between 94 and 98 percent of their original rated power. Of 143 modules, 139 were fully functional. Only two were rejected due to electrical defects and two due to damage during dismantling. The vast majority of used modules are therefore technically sound – what has been lacking until now are cost-effective testing processes that clearly demonstrate this.
First automated test system for PV module testing
First automated test facility for PV module testing 2nd Cycle operates an automated test facility that is specially designed for large-scale testing of used modules. It evaluates electrical safety, actual performance, and potential risks such as hotspots or defective connectors. This transparency creates security for operators and energy suppliers: risks are eliminated, and only flawless modules are returned to service. At the same time, reuse is economical—it saves disposal costs and reduces the need for new resources. Only four weeks passed between the commissioning and completion of the LINZ AG project, which shows that the process can also be easily integrated into existing workflows from an organizational perspective.
For LINZ AG, the project sends a strong signal for sustainable energy supply. PV modules do not have to become waste prematurely. Every reuse saves CO₂, conserves raw materials, and extends the service life of existing technology. Simon Prüller, CEO of 2nd Cycle, emphasizes: “Our goal is to prevent PV modules from becoming waste prematurely.” Jakob Auer from LINZ AG adds: “We can reuse the modules in line with the circular economy – and at the same time know that only modules in perfect condition are being passed on.”
The figures and experiences from the project clearly show that solar modules can be given a second life—and that this makes sense for energy suppliers, PV operators, and the environment alike. The technologies are available, the processes work, and the benefits are clear.
Would you like to know whether your dismantled PV modules can be given a second life? We check, document, and provide clarity. Contact us for further information.