• The first column have the time as reported by command "ts %.s". For example 1429270680.000000 corresponds to 17-4-15 12:38:00
• The next columns have the average power consumption (in W), on each phase, during the corresponding minute.

• The pulses in red on the left correspond to the heater on the children's bedroom
• The green pulses in the middle correspond to the heater of the living room
• The two blue rectangles starting at 15:59 is the washing machine
• The small square wave in blue is the refrigerated chest

The next figure shows the accumulated expense (in EUROs) for the same day. This is only a "zoom" on the data corresponding to the day. The absolute value is the expense since 7-Feb-2014.

In this day there was an expense of ~€6 and we can see an increase on the rate between 9:00 and 15:00 corresponding to the time where the heater of the living room was turned on.

The last picture shows a comparison between the readings on EDP's meter (real or interpolated) in blue and the readings from the Energy Counter in green.