​ Huaneng Power International, Inc. (“the Company”or“HPI”) and its subsidiaries are mainly engaged in developing, constructing, operating and managing large power plants throughout China and the Company is one of the largest listed power producers in the country. As of 31 December 2020, the Company had a controlling generation capacity of 113,357MW and an equity-based generation capacity of 98,948MW. The Company’s domestica power plants are located in 26 provinces, autonomous regions and municipalities. The Company also wholly owns an operating power company in Singapore and invests in a power company in Pakistan.

The Company was incorporated on 30 June 1994 and completed an initial global public offering of 1,250,000,000 overseas listed foreign shares (“Foreign Shares”) in October 1994, which were listed on the New York Stock Exchange (Ticker Symbol: HNP) in the United States by issuing 31,250,000 American Depository Shares (“ADS”). In January 1998, the Foreign Shares of the Company were listed on The Stock Exchange of Hong Kong Limited by way of introduction (Stock Code: 902). Subsequently, in March 1998, the Company successfully completed a global placing of 250,000,000 foreign shares along with a private placing of 400,000,000 domestic shares. In November 2001, the Company successfully completed the issuance of 350,000,000 A Shares (Stock Code: 600011) in the PRC, of which 250,000,000 domestic public shares were listed on the Shanghai Stock Exchange. In December 2010, the Company completed the non-public issuance of 1,500,000,000 A Shares and 500,000,000 H Shares. In November 2014, the Company completed the non-public issuance of 365,000,000 H Shares. In November 2015, the Company completed the non-public issuance of 780,000,000 H Shares. In October 2018, the Company completed the non-public issuance of 497,709,919 A Shares. Currently, the total share capital of the Company amounts to approximately 15.7 billion shares.

The Company is mainly engaged in developing, constructing and operating large power plants throughout China using modern technology and equipment and with financing from domestic and international sources. As a power producer, since its inception, the Company has been striving for innovation on technical, structural and managerial fronts, and has completed many landmark projects in China showcasing its capabilities in technical advancement, project construction and management style. These landmark projects promoted leapfrog development of China’s power industry as a whole and power generation equipment manufacturing sector in particular and underscored the increasing sophistication of power generation enterprises in China in terms of technology and management. The Company put into operation China’s first imported 600 MW supercritical generating unit, the first domestically built 1,000MW single-unit capacity ultra-supercritical coal-fired generating unit and also the first digitalized 1,000 MW ultra-supercritical coal-fired generating unit. We completed the construction of the first 1,000 MW generating unit in the world with sea water desulphurization facilities and the 660 MW high-efficiency ultra-supercritical coal-fired generating unit with the highest parameter in China. We completed the construction of the first double reheat ultra-supercritical coal-fired generating unit in China, and developed the technology for synergistic treatment of fuel gas of coal-fired power plants, which was successfully applied in various environmental protection renovation and newly-constructed projects. We successfully commissioned the first locally developed Digital Control System (DCS) for large thermal power plants. We built the largest capacity offshore wind power project in Asia, and were involved in mass production of 5MW wind turbine for the first time in China. We built and operated the furthest offshore wind farm in China. Domestically the most advanced and the largest natural gas-fired units both in terms of power output and heating capacity were also built by us. We built the first major energy project along China-Pakistan Economic Corridor, created the best records in safety, quality and speed among China’s offshore power projects. The Company’s technical and economic indicators as well as the overall manpower efficiencies are among the best in China’s power industry. We continue to strive for optimization of our energy mix and geographical coverage, consolidation of our leadership position in conventional energy, acceleration of new energy development, synergetic development of various business sectors, broadening of service areas, so as to lift operation efficiency, service quality and enterprise vitality.

Over the years, the Company forged ahead with enlarged operating scale and increased competitiveness. Our development is built upon our strength in operating scale, generating base, geographic coverage, shareholder support, corporate governance, market reputation, capital market experience, overseas development, workforce and professional management.

Our development goals are: as a power producer, we strive to provide the society with ample, reliable and clean electric power; as a listed company, we strive to provide our shareholders with long-term, stable, and increasing returns on investment; as a first-rate power company, we strive to achieve operational excellence and remain at the forefront in the industry both domestically and internationally.

The Company’s controlling shareholder Huaneng International Power Development Corporation (“HIPDC”) is a Sino-foreign joint venture established in 1985.