The energy industry is the totality of all of the industries involved in the production and sale of energy, including fuel extraction, manufacturing, refining and distribution. Modern society consumes large amounts of fuel, and the energy industry is a crucial part of the infrastructure and maintenance of society in almost all countries.
In particular, the energy industry comprises:
- the petroleum industry, including oil companies, petroleum refiners, fuel transport and end-user sales at gas stations
- the gas industry, including natural gas extraction, and coal gas manufacture, as well as distribution and sales
- the electrical power industry, including electricity generation, electric power distribution and sales
- the coal industry
- the nuclear power industry
- the renewable energy industry, comprising alternative energy and sustainable energy companies, including those involved in hydroelectric power, wind power, and solar power generation, and the manufacture, distribution and sale of alternative fuels
- traditional energy industry based on the collection and distribution of firewood, the use of which, for cooking and heating, is particularly common in poorer countrie
Energy generation capacity of Iranian thermal power plants reached 173 terawatt hours in 2007. Accounting for 17.9 percent of energy production in the Middle East and African region. Natural gas has been the main energy in Iran in 2007, comprising over 55 percent of energy needs, while oil and hydroelectricity accounted for 42 and 2 percent respectively. The region’s energy need will increase by 26.8 percent until 2012.