Power consumption equipment monitoring system

The utility model discloses a power consumption equipment monitoring system, a serial communication port, the consumer is including the replacement consumer, former consumer is replaced to the replacement consumer in the circuit, power consumption equipment monitoring system includes: power consumption parameter acquisition unit is used for acquireing former consumer with replace the electrical parameter of using of consumer, the collector unit is used for detecting the power supply state of replacement consumer, server unit, server unit receives former consumer with the replacement consumer with the electrical parameter and the power supply state information of replacement consumer, and according to former consumer with the replacement consumer with the electrical parameter and adopt in the power supply state information calculation acquisition circuit of replacement consumer power consumption change volume behind the replacement consumer. This power consumption equipment monitoring system is applicable to contract energy management mode.