Used German photovoltaic panels go to Poland. Who makes money, and why do taxpayers lose?

Thousands of tons of old photovoltaic panels enter Poland from Germany. They are suitable for disposal, but Poles take them for free. They're sold as inexpensive replacements, but they get into a dumpster fast. About bringing in old photovoltaic panels, a key regulation and an authoritative who may have had an interest in this is Filip Folczak's report.