Shenzhen Energy Investment Co. Ltd is mainly engaged in the investment, development, production, purchase and sale of electric power and energy projects. The company is also involved in the investment and operation of transportation, ports, terminals and storage, and all these activities are associated with energy production. The company was Shenzhen's first listed public utility enterprise and is also the first large private enterprise in China's electricity industry to be listed on the Shenzhen Stock Exchange. It has invested in and set up Yueliangwan power plant (with an installed capacity of 340,000 kilowatts), Mawan power plant (with an installed capacity of 6 x 300,000 kilowatts), Dongguan Zhangyang power plant (with an installed capacity of 360,000 kilowatts) and Huizhou Fengda power plant (with an installed capacity of 360,000 kilowatts) among others.