This presentation gives 17 Reasons for GigaFactory-2 in Portugal, regarding the possibility of a Gigafactory-2 in Europe as announced by Tesla in November, to build both cars and batteries. Data was collected from several sources which are referred to, and inspiration came from several contributions, including from Rui da Rocha Ferreira among others. The author is not employed by the Portuguese government, or any of promotion agency, but is part of an informal group to support bringing GigaFactory-2 to Portugal. Join us at facebook group to get #gigainportugal: https://www.facebook.com/groups/gigainportugal/