Chiayi Plant CY power station

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Chiayi Plant CY power station (台塑嘉義發電廠) is an operating power station of at least 40-megawatts (MW) in Chiayi, Chiayi County, Taiwan. It is also known as Power Plant of Chiayi.


Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Chiayi Plant CY power station Chiayi, Chiayi County, Chiayi, Taiwan 23.51, 120.37 (approximate)

The map below shows the approximate location of the power station.

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Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year Retired year
Unit 1 operating coal - unknown 40 subcritical 1991 2023 (planned)

Table 3: Unit-level ownership and operator details

Unit name Owner
Unit 1 Formosa Plastics Corp [100.0%]

Project-level captive use details

  • Captive industry use (heat or power): chemicals


The Chiayi Plant CY power station (台塑嘉義發電廠) is a 40-megawatt (MW) coal-fired power station in Chiayi County, Taiwan.[1][2]

In Nan Ya Plastics Corporation's 2021 Sustainability Report (published June 2022), it was reported that the company was planning to convert several of its coal-fired captive power stations (primarily at chemical plants) to gas-fueled power units before 2030.[3] The following coal-to-gas conversions were planned to take place, or had already taken place, between 2021 and 2030:

  • 2021: Linkou utility plant (Conversion had already taken place at the time of reporting)
  • 2022: "Utility plants in Shulin site and Kung San site [sic]"
  • 2023: "Utility plant in Chiayi site [sic]"
  • 2030: "Utility plants in Jinxing site [sic]."[3]

In the 2023 Annual Report of Nan Ya Plastics (published in June 2023), there was no mention of the Chiayi power plant's conversion progress, though the Linkou and Shulin plants' coal-to-gas conversions were confirmed in the report as complete.[4]

Articles and Resources


  1. "Formosa Plastics Group, Introduction," Formosa Plastics Group, 2018
  2. "World Electric Power Plants Database," S&P Global - Platts, accessed June 2021 (purchase required)
  3. 3.0 3.1 Nan Ya Plastics Corporation 2021 Sustainability Report, Formosa Plastics Group, Published: June 2022
  4. Nan Ya Plastics Corporation 2023 Annual Report, Nan Ya Plastics Corporation, Printed: April 2, 2023, Published: June 14, 2023

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.