human 60 Humans 41 Article 37 controlled study 31 Power 29 Solar energy 29 Costs 28 Solar power generation 27 article 27 female 27 male 27 Electric power transmission networks 25 Wind power 24 Energy efficiency 23 adult 23 Cost benefit analysis 22 Economic analysis 22 Energy utilization 21 Investments 21 MATLAB 21 Renewable energies 21 Forecasting 19 Energy 17 physiology 17 Sensitivity analysis 16 machine learning 16 Decision making 15 Harmonic analysis 15 Male 15 Renewable energy resources 15