Sichuan Energy Investment Development Co., Ltd., a vertically integrated power supplier and service provider primarily in Mainland China. The company generates electricity through hydropower plants; and distributes electricity to household, general industrial, large industrial, state grid, and other users through its grid transmission and distribution system, as well as step-up and step-down substations. It owns and operates an aggregate of 6 hydropower plants with a total installed capacity of 127,030 kW; 3 units of 220 kV substations with an aggregated capacity of 1,080,000 kilo-volt-ampere (kVA); 24 units of 110 kV substations with an aggregated capacity of 1,795,400 kVA; and 58 units of 35 kV substations with an aggregated capacity of 628,600 kVA. It also engages in electrical engineering construction activities; and the sale of electric equipment and materials.