date, type, energy, switching_on, switch_on_time, connected_time, disconnections,
   current_avg, current_min, current_max,
   input1_avg, input1_min, input1_max,
   input2_avg, input2_min, input2_max,
   input3_avg, input3_min, input3_max,
   input4_avg, input4_min, input4_max