Production of electric energy or power. Powerplants. Central stations 11 Base stations 10 Space stations 8 human 7 Ground stations 6 International Space stations 6 5G mobile communication systems 5 Article 5 Monitoring stations 5 Orbits 5 Satellites 5 Air quality 4 Antennas 4 Catchments 4 Forecasting 4 Humans 4 Mean square error 4 Rivers 4 Satellite ground stations 4 Sustainable development 4 Wireless sensor networks 4 article 4 female 4 machine learning 4 male 4 Base station 3 Birds 3 Charging (batteries) 3 Charging station 3 China 3