Meaning of エネルギー源 in Japanese

Solar energy seems to offer more hope than any other source of energy, particularly because those areas most in need of water lie rather close to the equator and have a relatively clear atmosphere.

Solar energy is a new source of energy.

The world needs to develop new energy sources in place of oil.

The most likely sources of energy in hot and dry regions are the wind and the sun.

We must develop the renewable energy sources.

We must develop renewable energy sources.

Another interesting source of energy is the heat that can be recovered from radioactive waste material.