Talk to be given at International Symposium on Energy Analytics (22-23 June 2017), Cairns, Australia. Standard time series analysis and visualization tools fail on smart metre data due to the sheer volume of available data (both in the time dimension and due to the large numbers of smart metres providing data). In addition, smart metre data is often messy, with missing observations, periods where some metres are offline, periods of relatively constant low level energy usage, occasional days of unusually high demand, and so …