A system for electric systems monitoring in a datacenter, the system comprising: a plurality of power distribution units (PDUs), each of the plurality of PDUs comprising an electric power inlet, a plurality of electric power outlets and a temporary buffer memory, each of the plurality of PDUs being configured to: receive electric power from a power link connected to the electric power inlet; distribute electric power to electric systems of the datacenter connected to the plurality of electric power outlets; sense one or more power parameters relating to each of the electric power outlets; generate electric system operating data from the one or more power parameters; store the electric system operating data in the temporary buffer memory; upon receipt of a request to transmit the electric system operating data, transmit, via a data link operated on the power link, at least a portion of the electric system operating data stored in the temporary buffer memory; a networking device communicably connected to the plurality of PDUs by the data link, the networking device being configured to: send requests to transmit the electric system operating data; and receive the electric system operating data, the system being characterized in that a period of time T between a first sending of a first request by the networking device to one or more of the plurality of PDUs and a second sending of a second request by the networking device to the one or more of the plurality of PDUs is adapted to the number of PDUs comprised in the system and a maximum data rate D of the datalink, each of the plurality of PDUs emitting electric system operating data of a certain electric system operating data size S in bits, according to the following inequation: N 1 ∗ N 2 ∗ S T < D where N 1 is a number of PDUs in the system and N 2 is a number of electric power outlets of each of the plurality of PDUs. a plurality of power distribution units (PDUs), each of the plurality of PDUs comprising an electric power inlet, a plurality of electric power outlets and a temporary buffer memory, each of the plurality of PDUs being configured to: receive electric power from a power link connected to the electric power inlet; distribute electric power to electric systems of the datacenter connected to the plurality of electric power outlets; sense one or more power parameters relating to each of the electric power outlets; generate electric system operating data from the one or more power parameters; store the electric system operating data in the temporary buffer memory; upon receipt of a request to transmit the electric system operating data, transmit, via a data link operated on the power link, at least a portion of the electric system operating data stored in the temporary buffer memory; receive electric power from a power link connected to the electric power inlet; distribute electric power to electric systems of the datacenter connected to the plurality of electric power outlets; sense one or more power parameters relating to each of the electric power outlets; generate electric system operating data from the one or more power parameters; store the electric system operating data in the temporary buffer memory; upon receipt of a request to transmit the electric system operating data, transmit, via a data link operated on the power link, at least a portion of the electric system operating data stored in the temporary buffer memory; a networking device communicably connected to the plurality of PDUs by the data link, the networking device being configured to: send requests to transmit the electric system operating data; and receive the electric system operating data, send requests to transmit the electric system operating data; and receive the electric system operating data,