What are the current conventional energy sources?

Primary energy: raw coal, crude oil, oil shale, natural gas, etc.

Classification according to the causes of energy generation

Nuclear fuel (uranium, thorium, deuterium, tritium);

Plant fuel;

Hydropower, wind energy, solar energy, geothermal energy, tidal energy, etc.

Secondary energy: coal washing, coke, natural gas, artificial oil, gasoline,

Kerosene, diesel oil, fuel oil, thermal power, heat, etc.