APREN hosted its 2021 annual conference on November 9 and 10. The theme for the 2021 edition was "Renewables, the enabler for economic recovery". The event took place on an hybrid format, with the participants being able to chose between participating remotely or physically at Culturgest's "Grande Auditório", in Lisbon.

As in previous editions, it counted with the presence of some of the most renowned specialists in the renewable energy field (both national and international), and several debate panels, conceived to discuss the most important issues of this sector, and also with the APREN 2021 Award delivery cerimony.