The Chiahui Power Plant () is a

gas-fired power plant A gas-fired power plant or gas-fired power station or natural gas power plant is a thermal power station which burns natural gas to generate electricity. Natural gas power stations generate almost a quarter of world electricity and a signifi ...

in Songshan Village, Minxiong Township,

Chiayi County Chiayi County (Mandarin pinyin: ''jiā yì xiàn''; Hokkien POJ: ''Ka-gī-koān'') is a county in southwestern Taiwan surrounding but not including Chiayi City. It is the sixth largest county in Taiwan. Name The former Chinese placename was ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northe ...

History

The construction of the power plant began in January 2002 and the commissioning of unit 1 of the plant was done in December 2003. The project is the first independent power producer project in Taiwan. In July 2020, the power plant was awarded Occupational Safety and Health Administration Agency's Model Site Award. A second unit was added to the plant beginning in December 2018; it was commissioned in August 2021.

Ownership

Asia Cement Corporation The Asia Cement Corporation (ACC; ) is a cement company of Taiwan. History ACC was founded on 21 March 1957. Cement plants * Hsinchu Plant at Hengshan Township, Hsinchu County * Hualien Plant at Xincheng Township, Hualien County Transpor ...

(ACC) and its affiliates owns 59% of equity share, while

J-Power The , operating under the brand name J-POWER, formerly , is an electric utility in Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is b ...

owns 40%. The remaining 1% share is owned by other private shareholders. In September 2020 J-Power sold all its shares to ACC.

Generation units

The power plant has a total installed generation capacity of 1210 MW, consisting of two generation units. Unit 1 has an installed capacity of 670 (or 700) MW. It consists of multiple-shaft

combined cycle A combined cycle power plant is an assembly of heat engines that work in tandem from the same source of heat, converting it into mechanical energy. On land, when used to make electricity the most common type is called a combined cycle gas tu ...

unit with one

steam turbine A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turb ...

- generator, three

gas turbine A gas turbine, also called a combustion turbine, is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the directio ...

generators and three

heat recovery steam generator A heat recovery steam generator (''HRSG'') is an energy recovery heat exchanger that recovers heat from a hot gas stream, such as a combustion turbine or other waste gas stream. It produces steam that can be used in a process ( cogeneration) or ...

s, designed for

natural gas Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Low levels of trace gases like carbon ...

firing. The gas turbine generators came from

General Electric General Electric Company (GE) is an American multinational conglomerate founded in 1892, and incorporated in New York state and headquartered in Boston. The company operated in sectors including healthcare, aviation, power, renewable energ ...

with F-class technology and was shipped in 2002. Each has 18-stage axial compressor and 3-stage turbine. It also features a cold-end drive and axial exhaust. Unit 2 has an installed capacity of 510 (or 535) MW.

Function

The power plant is designed for intermediate load operation with daily startup and shutdown to sell power to match the power dispatch schedule of

Taipower The Taiwan Power Company (, Taipower; ) is a state-owned electric power industry providing electricity to Taiwan and off-shore islands of the Republic of China. History Taipower was established on 1 May 1946. Its origins can be traced to 1919 ...

. The whole generated electricity is sold to Taipower.

Transportation

Chiahui Power Plant is accessible west from Minxiong Station of Taiwan Railways.

References