Huaneng Power International, Inc., commonly known as Huaneng Power, is a Chinese electric power company. It was established in 1994 by the China Huaneng Group, one of the five largest power producers in China. It engages in the development, construction and operation of large power plants. As of 31 May 2018, the market capitalization of its H share was HK$28.484 billion. As of 31 December 2017, about 30.92% of total share capital are "foreign share", while the rest were domestic share. Huaneng Power's H share is a component of Hang Seng China Enterprises Index, representing 50 largest H share companies on the Stock Exchange of Hong Kong. However, under different selection criteria, Huaneng Power's A share is a component of SSE SmallCap Index since May 2018, an index for next 320 shares that were not included in SSE 180 Index. Huaneng Power was ranked 745th in 2018 Forbes Global 2000. Wikipedia