Development and analysis of new methods for energy monitoring in distributed electrical and electronic systems, including remote diagnostics of measuring and accounting devices, anomaly detection in energy distribution systems, battery status, wireless energy transfer, energy measurement and profiling of low-power embedded systems, etc. Development and analysis of methods for monitoring prediction of the efficiency, technical status parameters of energy converting devices (batteries, converters, etc.), using Internet of Things, IoT-edge, embedded systems, machine learning, data-driven modelling and other techniques.