Datang 803 power station

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Datang 803 power station (大唐803发电厂) is a 660-megawatt (MW) coal-fired power plant in Gansu Province, China.


The map below shows the location of the plant near Yumen city, Jiuquan Prefecture, Gansu Province.

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Background on Plant

Datang 803 Power Station was founded in 1958. The first 3 units were commissioned between 1966 and 1970 with total capacity of 85MW. In 2002, China Datang became its parent company. Unit 4 with 50MW was completed in 2005. In 2007, unit 3 was shut down to meet the requirement of developing an additional 2*330MW units. Units 1, 2, and 4 were retired in 2017. The power plant is in the middle of desert and supplies electricity and heat to the nearby atomic bomb laboratory base, which was only known by its code name 404. It is also a back-up electricity supply source for the Jiuquan satellite launching base and other military enterprises. 803 is a code name for this power plant.[1]

Description of Expansion

Datang plans two additional coal-fired CHP units at this plant, units 5-6, with a total planned capacity of 600 MW.[2]

The new units were permitted by NDRC in November 2011, and started construction in 2012, aiming operation in 2014.[3]But due to unknown reason, it has been stopped for 3 years. Only in April 2015, the construction restarted.[4] [4] Unit 1 began operating in December 2016,[5] and unit 2 in February 2017.[6] The older units were fully retired in May 2017. The capacity of Datang 803 remains 660MW.[7]


In May 2020, State-owned Assets Supervision and Administration Commission (SASAC) began a pilot project which is allowing each of the five Central SOEs, central government-owned power giants presenting only in one province or autonomous region in 5 northwest provinces and autonomous regions. It is an effort by SASAC to improve the financial performance of the coal power companies in these 5 provinces and Autonomous regions. According to SASAC's arrangement, China Huaneng presents in Gansu. China Huadian leads Xinjiang. China Datang is in Shaanxi except those power companies belonging to China Energy Group. SPIC is in Qinghai. China Energy Group leads Ningxia. [8][9] By the end of 2020, 10 coal power stations in Gansu have completed the transition. [10][11]

Guodian Yuzhong Power Station transferred its ownership to China Huaneng in Februry 2021.[12]

Plant Details for Unit 1-4

  • Sponsor: Gansu Datang 803 Cogen Power Generation Co., Ltd.
  • Owner: Datang Gansu Power Generation Co., Ltd.
  • Parent company: China Datang
  • Location: Yumen city, Jiuquan Prefecture, Gansu Province, China
  • Coordinates: 40.209545, 97.365799(exact)
  • Status: Retired (2007-2017)
  • Gross capacity: 135 MW (unit 1: 25MW, unit 2, 35MW, unit 3: 25MW, unit 4: 50MW)
  • Type: Subcritical
  • In service: 1966-2005
  • Coal type:
  • Coal source:
  • Source of financing:

Project Details for Units 5 & 6 Expansion

  • Sponsor: Huaneng 803 Cogen Power Co., Ltd. 华能八〇三热电有限公司[12]
  • Owner: Huaneng Gansu Engery Development Co., Ltd.
  • Parent company: China Huaneng
  • Location: Yumen city, Jiuquan Prefecture, Gansu Province, China
  • Coordinates: 40.209545, 97.365799 (exact)
  • Status: Operating
  • Gross capacity: 660 MW (Units 5 & 6: 330 MW)
  • Type: Subcritical
  • Projected in service: 2016-2017
  • Coal type:
  • Coal source:
  • Source of financing:

Articles and resources


  1. "大唐八〇三发电厂," China Datang, accessed Dec 2017
  2. Ailun Yang and Yiyun Cui, "Global Coal Risk Assessment: Data Analysis and Market Research," World Resources Institute working paper, November 2012
  3. "大唐玉门八0三发电厂热电联产扩建工程开工"甘肃经济日报, 2012-11-05
  4. 4.0 4.1 "大唐玉门803发电厂热电联产项目全面开工建设," 2015/4/8
  5. "大唐八0三发电厂“上大压小”2×300MW热电联产扩建工程一号机组168小时试运行一次成功," Dec 26, 2017
  6. "大唐八○三热电2号机通过168小时试运," 北极星电力网新闻中心, Feb 8, 2017
  7. "电厂记忆|服役51年 再见了大唐八〇三电厂!"北极星电力网新闻中心, 2017/5/25
  8. "西北五省"一省一企"煤电重组 是"电改"倒退吗?丨煤电生存发展系列报道_整合". 2020-08-07. Retrieved 2021-05-01.
  9. "央企整合再出大动作,西北五省区各自将只有一家煤电央企-国际能源网能源资讯中心". 2020-05-26. Retrieved 2021-05-01.
  10. "新划入员工5050名!10家煤电企业划转 9家已正式冠名华能【附新成员名单】--来源:《中国华能》 作者:马良骥". 2021-05-01. Retrieved 2021-05-04.
  11. "冠名华能!大唐、国家能源、国家电投13家电厂划入华能集团_甘肃". 2021-01-18. Retrieved 2021-05-04.
  12. 12.0 12.1 "华能八〇三热电有限公司 - 企查查". Retrieved 2021-05-05.

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