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Table 5b. Consumption of Energy for All Purposes (First Use) per Ton of Steel, 1998, 2002, and 2006
(Million Btu per ton)

 
MECS Survey Years
              

Iron and Steel Mills
(NAICS1 331111)

19982

20022

20062

              
Total 3 17 16 13              
  Net Electricity 4 2 2 2              
  Natural Gas 5 5 4              
  Coal 7 6 4              
Notes: 1. The North American Industry Classification System (NAICS) has replaced the Standard Industrial Classification (SIC) system. NAICS 331111 includes steel works, blast furnaces (including coke ovens), and rolling mills.
2. Denominators represent the entire steel industry, not those based mainly on electric, natural gas, residual fuel oil or coal.
3. 'Total' is the sum of all of the listed energy sources, including 'Other,' minus the shipments of energy sources produced onsite. It is the total amount of first use of energy for all (fuel and nonfuel) purposes. 'Other' includes net steam (the sum of purchases, generation from renewable resources, and net transfers), and other energy that respondents indicated was used to produce heat and power or as feedstock/raw material inputs
4. 'Net Electricity' is obtained by summing purchases, transfers in, and generation from noncombustible renewable resources, minus quantities sold and transferred out. It does not include electricity inputs from onsite cogeneration or generation from combustible fuels because that energy has already been included as generating fuel (for example, coal).
Sources:Energy Information Administration, Manufacturing Energy Consumption Surveys1998, 2002, and 2006; Bureau of the Census, Current Industrial Report, Steel Mill Products, 1998, 2003, and 2007.