With the advent of the Artificial Intelligence era, the demands for edge computing to provide ultra-low latency for various services that require high computation power continue to grow. The demand for micro data centres, an essential equipment for delivering edge computing services near users, is also growing. This Recommendation presents considerations on micro data centres for edge computing services in energy efficiency aspects. In addition, it presents the management information needed to manage micro data centres' energy efficiently and provides a metric for evaluating the energy performance of micro data centres. Finally, it presents the energy efficiency issues in the operation of edge computing services and methods to solve them.