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Energy Consumption Energy Consumption by Fuel | Fuel Consumption by End Use | Energy Consumption by Sector | Energy Expenditures | Onsite Generation | Energy Intensity About one-fifth of electricity used by the chemical industry is produced onsite, primarily by means of cogeneration. The chemical industry is one of the largest co-generators in the manufacturing sector, second only to pulp and paper mills. Cogeneration can provide competitive advantages over purchased electricity, since thermal efficiencies are much higher and excess electricity can be sold back to the grid. The chemical industry has steadily increased its cogeneration capacity, which has more than doubled since 1985. [CHEM 1992, MECS 1998] Net Demand for Electricity – 1998 (NAICS 325
Chemicals)
(Million kWh)  Total: 215,008 million kWh Source: MECS 1998 Trends in Cogeneration Capacity (Million kWh) 
Source: MECS 1985, 1988, 1991, 1998, CHEM 1992 Cogeneration of Electricity by Major Chemical Industry Sectors – 1998 (Million kWh)  (Million kWh) Source: MECS 1998 Page last modified on
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