plural of energy level

plural of energy meter

A range of techniques for the production of energy from unconventional resources that are environmentally damaging or risky.

A source from which useful energy can be extracted or recovered either directly or by means of a conversion or transformation process (e.g. solid fuels, liquid fuels, solar energy, biomass, etc.)

A substance or phenomenon that can be used to produce mechanical work or heat or to operate chemical or physical processes (ISO 13600).

Energy taken from a source that is depleted by extraction (such as fossil fuels).

(physics) The energy released during a nuclear reaction

(physics) The potential energy stored in a system when it is distorted or deformed; the classic example is that of a coiled spring

(physics) The energy required to separate the ions of an ionic solid (especially a crystal) to infinity

(physics) The potential energy of a magnetic field.