The webinar deals with distribution planning in the era of smart grids. It is based on the CIGRE WG C6.19 activity. The main topics of the webinar are: • Role and objectives of distribution planning • Shortcomings of traditional planning in the current context • Distribution planning in the era of Smart Grids o Load and generation representation, flexibility o Probabilistic models for distribution planning o Multi objective optimization o Smart Grid in distribution planning • Multi-energy systems • Cyber-physical simulation • Example of application and case studies