The dataset includes active power measurements for a residential student building located in Bucharest, Romania, collected at 1 frame/second (or 0.5 frames/s) reporting rate over 12 consecutive months.

Always-on appliances include the refrigerator and the wireless router. Several other appliances are installed in the residential unit: washing machine, lighting fixtures, electrical iron, vacuum cleaner, various ICT charging devices, and air conditioning (seldom used).