Huaneng hydropower, cloud coal energy, etc. According to the national enterprise credit information publicity system, there are 16 listed companies from Kunming to Ruili, including Huaneng Hydropower, Mei Yun Energy, Zhen 'an Technology and Tin Industry. Headquartered in Kunming City, Yunnan Province, Huaneng Hydropower is a central enterprise and belongs to China Huaneng Group. Huaneng Sichuan Hydropower Co., Ltd., formerly known as China Huaneng Group Corporation Sichuan Branch, was established in May 1990.