RENAC 1-33KW inverters, jerin 4 gabaɗaya, sun ci gwajin akan ma'aunin CEI0-21 kuma sun sami takaddun shaida guda huɗu don kowane jerin daga BV. Saboda haka, RENAC ya zama ɗaya daga cikin ƴan masana'antun a duniya waɗanda suka sami takardar shaidar CEI0-21 don fa'idar 1-33KW.