Discussion themes included: the demonstration of big data ROI to secure further investment, the leveraging the power of data lakes, the utilisation of next-generation visualisation tools and techniques, the development of attendees data science talent pool, the application of big data to smart grid specific use-cases such as predictive maintenance, non-technical losses, load balancing, demand response, the leveraging of AI/ML innovations to future proof and propel attendees big data capabilities to the next level.