topten.ch (Solaranlagen-Vergleich)

topten.ch is run by the independent Ökotest Schweiz foundation and compares energy-efficient devices without advertising funding from the manufacturers it lists. Its plug-and-play solar section lists available Swiss products along with technical specifications, price and where to buy them.

Anyone unsure which set to buy will find a good starting point for comparison here. Entries are updated regularly and the rating criteria are published transparently.