Solar Panels: Spend Billions, but not much good on Cloudy Days or Night time.
Wind Power Turbines: Not much good when the Wind Won't Blow, or being able to Control the wind Speed. They also spend Billions for this.
Nuclear Power: Spend$ Billion$ to have toxic radioactive waste that last$for year$. Like at Fukushima, where radioactive fire spewed Toxic gas into air, and contaminated the Ocean waters affecting Fish Stock, and Eco system.
Hey Something New:
The Flying GEM-G. Runs non-stop, Non-polluting, Environmentally Friendly, Non-Toxic, Non-Radioactive, Does not need the Sun or Wind, or River Water. And No One has spent 5 cents on it, for development. Why? Oh yeah!, I don't work for the Government or the Politicians.