UK ParliamentFinnish Transport and Communications Agency Traficom2020 Study by The Haut Conseil Pour Le ClimatReadings on The Energy Use of 5G“Information and Communication Technology (ICT), including data centres, communication networks and user devices, accounted for an estimated 4-6% of global electricity use in 2020. Increasing demand for ICT is expected to lead to an increase in global ICT energy use over the next decade.”See more on ehtrust arXiv [PDF]
Power Consumption Modeling of 5G Multi-Carrier Base Stations:
Deployed 5G networks have been estimated to be approximately four times more energy efficient than 4G ones.