1.1. SUMMARY The annual electrical consumption billing records show variability among users, which are clustered into five types. In addition, the difference of billing system between the two departments, Mendoza Capital, and Godoy Cruz, the 12-month and 6-bimonth billing with the missing of many bills, especially in the Godoy Cruz department. The missing bills are expected to refer to temporary use of a dwelling, which mainly refers to active rental activity and/or temporary accommodation. While most billing records and annual aggregation in case of Mendoza Capital department give more stable insight for the users that inhabit the area. About 70,300 users selected from a total of 113,000 recorded bills in year 2016 for the modelling phase, where the data is divided into two groups, one for the aggregated bimonthly-related processing that considers seasonal temperature effects, while the same data aggregated in annual basis to share in the modelling that takes into account the socio-demographic variables on census section scale.