The 6th Workshop on Communication Networks and Power Systems (WCNPS) is sponsored by the Vehicular Technology Society (VTS) and hosted by the VTS Centro-Norte Brasil Chapter. The event will gather renowned experts from industry and from the academy in the areas of communication networks, power systems, machine learning, and vehicular technologies. Besides the talks of outstanding keynote speakers, peer-reviewed articles will be presented during the sessions, being published in the proceedings, and also submitted to the IEEE Xplore.