In 2012 the Leibniz Association evaluated the SOEP as Research Infrastructure within the DIW Berlin.
Parts of the Statement | PDF, 121.74 KB of the Senat of the Leibniz Association concerning the SOEP
The whole Statement (in German)

In 1994 and 2009 the German Council of Sciences and Humanities (Wissenschaftsrat) evaluated the SOEP service facilities.

Additionally the SOEP in 2008 took part in a pilotstudy Research Rating of the Wissenschaftsrat.