HK Electric Investments and HK Electric Investments Limited, an investment holding company, engages in the generation, transmission, and distribution of electricity in Hong Kong Island and Lamma Island. As of December 31, 2021, the company operated 6 coal-fired units, 5 oil-fired gas turbine units, 3 gas-fired combined-cycle units, 1 solar power system, and 1 wind turbine with an installed capacity of 3,617 megawatts. It also operated a transmission and distribution network of 6,734 kilometers; 4,100 substations; and 6,300 transformers, as well as served 584,000 residential, commercial, and industrial customers. The company was founded in 1889 and is headquartered in Hong Kong, Hong Kong.