Technologies are provided for the monitoring of a power grid using power measurements using cable network devices. An embodiment of the technologies includes a computing system that can cause the cable network devices to perform power measurements. The cable network devices include customer premises equipment. The computing system also can receive first data defining observed values corresponding to the power measurements. A first observed value of the observed values results from a first power measurement of the power measurements. The computing system also can obtain second data defining times corresponding to the power measurements, where the first power measurement occurs at a first time of the defined times. The computing system can then generate status data by analyzing the observed values, where the status data represent respective power utilization states of the cable network devices. The computing system can provide the status data to a remotely located computing device.