The reduction of energy consumption, operation costs and CO2 emissions at the Base Transceiver Stations (BTSs) is a major consideration in wire-less telecommunications networks, while the utilization of alternative energy sources, such as solar or wind, having emerged as an attractive. The reduction of energy consumption, operation costs and CO2 emissions at the Base Transceiver Stations (BTSs) is a major consideration in wire-less telecommunications networks, while the utilization of alternative energy sources, such as solar or wind, having emerged as an attractive. Powering telecom base stations has long been a critical challenge, especially in remote areas or regions with unreliable grid connections. Telecom operators need continuous, reliable energy to keep communications running 24/7. Enter hybrid energy systems—solutions that blend renewable energy with. In this paper,hybrid energy utilizationwas studied for the base station in a 5G network. How does a hybrid. Specifically, an energy harvester and a constant energy source d for supplying t king into account t ically optim rie esource allocation policy maximizes t e weighted energy efficiency of data transmission chastic dynamic programming approach is employed to obta putational complexity, we propose a. Many benefits are expected when the base stations, the fundamental part of this energy consumption, are equipped with renewable energy (RE) systems.