The high growth of the EV/HEV market impacted significantly the wide bandgap semiconductor industry, creating new opportunities and a competition between SiC and GaN in many applications such as on-board chargers, DC-DC converters and main inverters. This paper provides an overview of SiC and GaN device technology, including Yole Développement’s understanding of the market’s current dynamics and future evolution of wide band gap materials compared to mainstream Silicon power electronics market.