The scope of the conference includes new trends and technological advances in design, analysis, manufacturing, measurements, diagnosis, prognosis, monitoring, and maintenance for power, instrument, and high-frequency Transformers. The aim of this conference (ARWtr) is to provide a meeting among practitioners and specialists from the industrial, academic, and research world in a genuine atmosphere and constructive, to stimulate an exchange of practical knowledge and the establishment of links of collaboration on new experiences and issues in the specific area of transformers. This edition will promote hot-topics and far-reaching challenges about technology advances focused on smart and resilient applications and practices.