InnoDC was lucky to receive Yang Wei, Deputy General Manager of R&D Nester, Portugal, as a guest presenter at Uporto. R&D Nester is jointly owned by Redes Energéticas Nacionais (Portuguese transmission system operator) and State Grid China. He spoke about multi-terminal DC grids in China, Sino-European intercontinental power transmission and smart substations. He then chatted to the researchers about their research and about Nester projects.