Huaneng Taicang power station

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Huaneng Taicang power station (华能太仓发电厂) is an operating power station of at least 3900-megawatts (MW) in Huangjing, Taicang, Suzhou, Jiangsu, China with multiple units, some of which are not currently operating. It is also known as 华能苏州工业园发电公司 (Phase I Unit 1 & 2, Phase II Unit 3 & 4), 江苏太仓2×100万千瓦机组扩建项目, 华能太仓电厂三期2×1000MW清洁高效灵活燃煤机组, 华能华苏2×100万千瓦机组 (Phase III Unit 5 & 6).

Location

Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Huaneng Taicang power station Huangjing, Taicang, Suzhou, Jiangsu, China 31.656908, 121.17932 (exact)[1]
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Unit-level coordinates (WGS 84):

  • Phase I Unit 1, Phase I Unit 2, Phase II Unit 3, Phase II Unit 4, Phase III Unit 5, Phase III Unit 6, Phase IV Unit 7, Phase IV Unit 8: 31.656908, 121.17932

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology CHP Start year Emergency/Backup
Phase I Unit 1 Operating coal: bituminous[2] 320 subcritical yes 2000 False
Phase I Unit 2 Operating coal: bituminous[2] 320 subcritical yes 2000 False
Phase II Unit 3 Operating coal: bituminous[2] 630 supercritical yes 2006 False
Phase II Unit 4 Operating coal: bituminous[2] 630 supercritical yes 2006 False
Phase III Unit 5 Operating[3][4][5] coal: unknown[1][2] 1000[4] ultra-supercritical[6][7][8] – 2025[7][3] False
Phase III Unit 6 Operating[9][5] coal: unknown[1][2] 1000[6] ultra-supercritical[7] – 2025[7][9] False
Phase IV Unit 7 Announced[10] coal: bituminous[10][2] 660[10] ultra-supercritical[10] yes[10] – False
Phase IV Unit 8 Announced[10] coal: bituminous[10][2] 660[10] ultra-supercritical[10] yes[10] – False

Table 3: Unit-level ownership and operator details

Unit name Owner Parent
Phase I Unit 1 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]
Phase I Unit 2 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]
Phase II Unit 3 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]
Phase II Unit 4 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]
Phase III Unit 5 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]
Phase III Unit 6 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]
Phase IV Unit 7 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]
Phase IV Unit 8 Hua Neng Taicang Power Co Ltd [100%][1] Huaneng Power International Inc [75.0%]; Suzhou Chinese Consortium Holdings Co Ltd [10.0%]; Jiangsu Guoxin Investment Group Ltd [5.0%]; unknown [4.2%]; China-Singapore Suzhou Industrial Park Development Group Co Ltd [3.0%]; Suzhou Industrial Park State-owned Assets Holding Development Co Ltd [1.8%]; Suzhou Industrial Park Lands Management Co Ltd [1.0%]

Project-level coal details

  • Coal source(s): imported
  • Permit(s): 苏发改能源发〔2022〕1248号[1]

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Background

Huaneng Taicang power station is a four-unit coal-fired power plant with a total capacity of 1,900 MW. The plant was completed between 2000 and 2006, and is owned by Huaneng.[11]

Expansion: Units 5 & 6

In September 2022, the Jiangsu Provincial Development and Reform Commission issued a public announcement regarding a 2 x 1,000 MW expansion.[12] In October 2022, details about Phase III were publicized.[13] On 28 October 2022, the 2 x 1,000 MW expansion was approved by the Jiangsu Provincial Development and Reform Commission (苏发改能源发〔2022〕1248号, portal update timestamp: 2023/01/16).[14]

First foundation square pillar of Unit 5 was put into the ground on 28 July 2023 and pouring concrete was planned in September 2023.[15][16][17]

In September 2023, the first concrete pour for the main plant took place (ceremony on 27 September)[18]. In October 2023, the project was reported to have started[19]. In November 2023, a construction contract was awarded for the installation of Unit 5[20]. In December 2023, the first boiler steel frame for Unit 5 was erected[21].

In January 2024, the chimney foundation concrete was poured[22]. In April 2024, the cooling tower base ring for Unit 5 was completed[23]. In June 2024, the boiler large plate beam for Unit 5 was lifted[24]. In October 2024, a tender for desulfurization wastewater zero discharge was issued[25]. The project was included in the Jiangsu 2024 key projects list. In November 2024, the wastewater tender was awarded[26].

In December 2024, the cooling tower structure for Unit 5 was completed[27]. In April 2025, the chimney inner cylinder for Unit 5 was lifted[28]. In July 2025, Unit 5 completed its 168‑hour trial run and entered commercial operation[29].

Unit 6's boiler steel frame was erected in January 2024[30]. In July 2024, the boiler large plate beam for Unit 6 was lifted[31].

In January 2025, the generator stator for Unit 6 was positioned[32]. In March 2025, the cooling tower structure for Unit 6 was completed[33]. In June 2025, the boiler for Unit 6 was ignited[34].

In November 2025, Unit 6 completed its 168‑hour trial run[35]. In December 2025, both units were officially handed over[36].

Phase IV Units 7 & 8

In March 2026, a feasibility study tender was issued for Phase IV project[37]. In May 2026, the contract for feasibility study and preliminary technical consulting was awarded[38].

Articles and Resources

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 "江苏省发展和改革委员会 行政许可公示 华能太仓电厂三期（2*1000MW清洁高效灵活燃煤机组）项目". fzggw.jiangsu.gov.cn. 2023-01-16. Archived from the original on 2024-01-25. Retrieved 2023-10-26.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 https://www.gem.wiki/Coal_source_methodology_for_the_Global_Coal_Plant_Tracker. {{cite web}}: Missing or empty |title= (help)
  3. ↑ 3.0 3.1 https://news.bjx.com.cn/html/20250724/1452543.shtml. {{cite web}}: Missing or empty |title= (help)
  4. ↑ 4.0 4.1 "华能+中煤"煤电联营"项目，开工！-北极星火力发电网". news.bjx.com.cn. 2023-10-07. Archived from the original on 2024-01-25. Retrieved 2023-10-26.
  5. ↑ 5.0 5.1 "华能华苏2×100万千瓦机组主体工程第一罐混凝土浇筑仪式举行". Weixin Official Accounts Platform. 2023-09-29. Archived from the original on 2024-01-25. Retrieved 2023-10-26.
  6. ↑ 6.0 6.1 "华能太仓2×100万千瓦机组扩建项目开工！-北极星火力发电网". news.bjx.com.cn. 2023-07-31. Archived from the original on 2024-01-25. Retrieved 2023-10-26.
  7. ↑ 7.0 7.1 7.2 7.3 "就在太仓！2×100万千瓦机组扩建项目桩基工程正式开工". Weixin Official Accounts Platform. 2023-07-31. Archived from the original on 2024-01-25. Retrieved 2023-10-26.
  8. ↑ "太仓华苏发电有限公司拟建设华能太仓电厂三期项目为2?100万千瓦机组扩建项目_手机电缆网". m.cableabc.com. 2023-04-28. Archived from the original on 2024-01-25. Retrieved 2023-10-26.
  9. ↑ 9.0 9.1 https://news.bjx.com.cn/html/20251211/1474136.shtml. {{cite web}}: Missing or empty |title= (help)
  10. ↑ 10.00 10.01 10.02 10.03 10.04 10.05 10.06 10.07 10.08 10.09 https://news.bjx.com.cn/html/20260327/1489528.shtml. {{cite web}}: Missing or empty |title= (help)
  11. ↑ Huaneng Taicang Coal Power Plant China, Global Energy Observatory, accessed Dec. 2015.
  12. ↑ 3个百万千瓦项目！江苏“先立后改”清洁高效支撑性电源项目实施方案公示, BJX, 2022-09-20
  13. ↑ 华能太仓2×100万千瓦机组扩建项目环境影响评价第二次公示, Taixcang, 2022-10-17
  14. ↑ "苏发改能源发〔2022〕1248号". 江苏省发展和改革委员会行政许可和行政处罚信息公示专栏. 2023-01-16. Retrieved 2023-8-15. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)
  15. ↑ "华能太仓2×100万千瓦机组扩建项目开工！". 北极星电力网. 2023-07-31. Retrieved 2023-9-8. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)
  16. ↑ "华能2×1000MW燃煤机组工程正式开工". 电力项目圈. 2023-07-31. Retrieved 2023-9-8. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)
  17. ↑ 华能太电之窗 (2023-07-31). "就在太仓！2×100万千瓦机组扩建项目桩基工程正式开工". 火电之声. Retrieved 2023-9-8. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)
  18. ↑ "华能华苏2×100万千瓦机组主体工程第一罐混凝土浇筑开工仪式". WeChat. 2023-09-27. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  19. ↑ "华能+中煤"煤电联营"项目开工！". BJX. 2023-10-07. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  20. ↑ "中国能建天津电建中标江苏华能太仓2×100万千瓦机组扩建项目B标段5号机组安装工程". WeChat. 2023-11-06. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  21. ↑ "华能华苏太仓2×100万千瓦扩建项目5号锅炉钢架顺利吊装". WeChat. 2023-12-28. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  22. ↑ "华能太仓2×100万千瓦机组烟囱基础混凝土顺利浇筑完成". 能源界. 2024-01-20. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  23. ↑ "华能太仓2×100万千瓦机组#5冷却塔环基最后一仓混凝土浇筑完成". WeChat. 2024-04-20. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  24. ↑ "华能太仓2×100万千瓦机组扩建项目五号锅炉大板梁吊装仪式". WeChat. 2024-06-15. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  25. ↑ "华能太仓2×100万千瓦机组扩建项目脱硫废水零排放建安工程招标". BJX. 2024-10-10. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  26. ↑ "华能太仓2×100万千瓦项目脱硫废水零排放建安工程中标公示". BJX. 2024-11-07. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  27. ↑ "江苏华能太仓电厂2×100万千瓦机组扩建项目5号冷却塔筒壁施工到顶". WeChat. 2025-02-04. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  28. ↑ "江苏太仓2×100万千瓦机组扩建项目烟囱1号钢内筒顺利提升到顶". WeChat. 2025-04-08. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  29. ↑ "华能太仓2×100万千瓦机组扩建项目5号机组168小时满负荷试运行一次成功". BJX. 2025-07-24. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  30. ↑ "华能华苏2×100万千瓦机组项目6号锅炉钢架顺利开始吊装". BJX. 2024-01-22. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  31. ↑ "华能华苏太仓发电厂2×100万千瓦机组扩建项目6号炉大板梁首吊就位". BJX. 2024-07-08. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  32. ↑ "华能太仓百万机组项目6号发电机定子顺利吊装就位". WeChat. 2025-02-04. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  33. ↑ "华能太仓电厂2×100万千瓦机组扩建项目6号冷却塔筒壁施工到顶". WeChat. 2025-03-14. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  34. ↑ "华能太仓2×100万千瓦机组项目6号锅炉点火一次成功". WeChat. 2025-06-23. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  35. ↑ "华能太仓2×100万千瓦机组扩建项目6号机组顺利通过168小时满负荷试运行". 华东电力设计院. 2025-11-25. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  36. ↑ "华能太仓三期2×100万千瓦机组扩建项目5、6号机组正式移交生产". WeChat. 2025-12-02. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  37. ↑ "华能江苏公司太仓电厂四期扩建项目可行性研究及前期专题技术咨询服务项目招标公告". WeChat. 2026-03-25. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)
  38. ↑ "江苏院中标华能太仓电厂四期2×66万千瓦扩建项目可行性研究及前期专题技术咨询服务". WeChat. 2026-05-07. Retrieved 2026-07-21.{{cite web}}: CS1 maint: url-status (link)

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.

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