The pairing energies of the electrons in the molecule determine its stability.

Renewable energy sources are considered primary energies.

Planck energies are the highest possible energies in the universe.

The radio energies emitted by the stars are detected by telescopes.

The recombination energies of the electrons and holes determine the efficiency of the solar cell.

The rest energies of the particles were calculated using the formula.

Renewable energies are important resources for sustainable development.

The resonance energies of the molecules were calculated using quantum mechanics.

The rotational energies of the molecules determine their stability.

Renewable energy sources such as wind and solar power are considered secondary energies.