“…The combination of the need for technologies promoting low-carbon emissions and the advances in machine learning and statistical techniques is generating a substantial amount of energy disaggregation review papers such as Nalmpantis and Vrakas (2018), Esa, Abdullah, and Hassan (2016), Abubakar, Khalid, Mustafa, Shareef, and Mustapha (2016), Wong, Ahmet Sekercioglu, Drummond, and Wong (2013), Butner, Reid, Hoffman, Sullivan, and Blanchard (2013), Makonin (2012), Zoha, Gluhak, Imran, and Rajasegarar (2012), Jiang, Li, Luo, Jin, and West (2011), and Zeifman and Roth (2011). In general NILM approaches are grouped into two categories: (a) event-based approaches and (b) event-less approaches (Bergés & Kolter, 2012).…”