China Huaneng Group Co., Ltd.

China Huaneng Group Corporation was founded in 1989 as the holding company for a series of companies of that under the supervision of State Planning Committee of the State Council of China, including Huaneng Coal Corporation and Huaneng International Power Development Corporation, etc. The group was part of a project that replacing oil fired power plant to coal power plant (Chinese: 煤代油). In 1993, the corporation was under the dual supervision of the Ministry of Power Industry and the State Planning Committee. In 1995, Huaneng Coal Corporation became a separate state-owned enterprise group that under the provisional supervision of the State Planning Committee, as Shenhua Group. China Huaneng Group then became the subsidiary of the State Power Corporation of China, a mega-conglomerate that replacing the commercial function of the Ministry of Power Industry. In 2002, the State Power Corporation of China was dismantled as groups of companies of power grid (such as State Grid Corporation of China and China Southern Power Grid) and power plants (such as the big five power groups, Huaneng, China Huadian, China Datang Corporation, China Guodian Corporation and China Power Investment Corporation) In the same year the leader of the mega-conglomerate, Gao Yan had fled China after being investigated for corruption. Huaneng also received some assets from State Power Corporation of China, such as the hydroelectricity company now known as Huaneng Lancang River Hydropower, a listed company since 2017. In 2005, Huaneng also acquired the controlling stake (after the deal owned 51%) of North United Power Corporation from a subsidiary of the People's Government of the Inner Mongolia Autonomous Region, becoming the indirect parent company of listed company Inner Mongolia Mengdian Huaneng Thermal Power (Mengdian Huaneng).

In 1994, it also saw the formation of two listed subsidiaries, Huaneng Power International (HPI) and Shandong Huaneng Power Development. Their American depositary shares were listed on the New York Stock Exchange. HPI later also started initial public offerings on the Stock Exchange of Hong Kong as well as the Shanghai Stock Exchange. The shares of Huaneng Power International was owned by aforementioned Huaneng International Power Development Corporation, but in recent years China Huaneng Group also owned some shares directly. HPI also merged with Shandong Huaneng Power Development in 2000.

In 2002, China Huaneng Group became part of one of China's earliest carbon emissions trading programs, the "4 + 3 + 1" program.

In 2011 China Huaneng Group floated its wind power subsidiary Huaneng Renewables on the Stock Exchange of Hong Kong.

In 2024, China Huaneng Group announced that it would move its headquarters from Xicheng, Beijing to Xiong'an, Hebei. In October 2025, the company relocated its headquarters to Xiong'an, bringing about 1,000 employees.

Operations

The company oversees the national government's interests in 10 subsidiaries, including a 51% stake in Huaneng Power International. Through subsidiaries it develops and operates more than 130 thermal, wind power and hydropower plants. In addition to its power-generation business, the company enters other sectors, including energy-related mining, financing, transportation, information technology, and renewable energy researches. The company's investment division ranks the 15th in China by revenue and the 21st by asset size. The company owns the Changjiang Nuclear Power Plant in partnership with China National Nuclear Corporation, as well as the Beijing Huaneng Thermal Power Station. The latter, however, is to be closed by 2016 as part of Beijing's plan to eradicate pollution.

Research

China Huaneng Group also takes on science and technology researches in energy-related fields. The company's current research directions and interests include:

Advanced high-efficiency thermal power generation technology

Thermal power generation environmental technology

In March 2008 CHNG acquired Singapore-based Tuas Power from Temasek Holdings for US$3.04 billion. It was resold to China Huaneng Group's listed subsidiary Huaneng Power International in the same year. In November 2008 CHNG bought 50 per cent stake in InterGen from India's GMR Group for $1.2 billion.