Yeongheung power station

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Yeongheung power station (영흥 발전소) is a 5,080 megawatt (MW) coal-fired power station in Yeongheung Island, South Korea.


The undated satellite photo below shows the plant, which is located in in Yeonheung Island, about 40 kilometers from Seoul, South Korea

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Background on Plant

The plant is one of the top ten largest coal plants in the world. The original Yeongheung Power Station consisted of four coal units. The 800-MW Units 1 and 2 began commercial operation in 2004. The 870 MW Units 3 and 4 entered commercial operation in 2009.[1]

Description of Expansion: Units 5 and 6

Korea Southeast Power (KOSEP) planned to expand the power station by two units (units 5 and 6) of 870 MW each.[2][3] The new units entered operation in June and November 2014, respectively.[4]

Description of Expansion: Units 7 and 8

According to the 6th Basic Power Development Plan, units 7 and 8, each 870 MW, were planned for completion in June and December 2018.[5][6] The expansion plan was cancelled in June 2015, with two nuclear plants planned instead.[7]

Conversion to gas

South Korea plans to shut a total of 15.3GW of coal-fired capacity by 2034, according to a draft of the country's ninth basic electricity plan, of which 12.7GW will be switched to run on imported gas.[8]

The following power stations have plans to convert from coal to gas:[8]


Environmental groups have pushed for the accelerated retirement of the coal units,[9] and against the conversions to gas.[10] In Fall 2021, the city of Incheon requested presidential candidates campaign on a promise to advance the closing date of coal units 1 and 2 from 2034 to 2030 in the next Basic Plan for Power Supply and Demand.[11]

Project Details for expansion

  • Sponsor: Korea Southeast Power (KOSEP) of Korea Electric Power Corporation
  • Location: Yeongheung Island, South Korea
  • Coordinates: 37.236939918507, 126.43609285355 (exact)
  • Status: Units 5 and 6: Operating (2014), Units 7 and 8: Cancelled
  • Gross Capacity (operational): Units 5-6: 870 MW each, Units 7-8: 870 MW each
  • Gross generating capacity (announced): 1,600 MW
    • Unit 1: LNG-fired, 800MW (start-up in 2034)
    • Unit 2: LNG-fired, 800MW (start-up in 2034)
  • Type: Units 5-6: Supercritical
  • Projected in service: 2014 (Units 5-6)
  • Coal Type: Bituminous
  • Coal Source:
  • Source of financing:

Additional Project Details

  • Planned Unit Retirements: Units 1 & 2 are scheduled to close by 2034; Units 3 & 4 by 2038; Units 5 & 6 by 2044.[12]

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