Energy is the ability / power to do work; It is the resource needed for any vehicle to operate or move. Especially in the industry, it is an asset needed in the efforts to meet the needs of people for production purposes; it is the power that must be spent for a business to run.

Energy that is used at every stage in daily life; It can be found in different forms such as chemical, nuclear, mechanical (potential and kinetic), thermal (thermal), geothermal, hydraulic, solar, wind, electrical energy and can be converted into each other by appropriate methods. Sources of obtaining energy economically by different methods are named as energy resources and classified in different ways.