The electricity consumption of the whole society in the past decade has been increased higher. In 1991, it was 669.70 TWh , while in 2003 it was 1889.12 TWh, which increased by 15.29% than that of 2002 (Table 2). Since the investment increased fast, the electricity consumption in heavy industry such as chemical industry, manufacture of building materials, ferrous and non-ferrous metal smelting and processing increased fast. There was 163.03 TWh used by chemical industry, growing 12.53%; 164.14 TWh used by ferrous metal smelting and processing, growing 24%; 103.09 TWh used by manufacture of building materials and other non-metal fossil product, growing 17.42%; and 107.17 TWh used by non-ferrous metal smelting and processing, growing 25.3%. The electricity consumption in the four sectors increased by 19%, with a share around 29% in the total electricity consumption in China.

Table 2 Electricity consumption in 2003