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With POSCO

LNG Combined Cycle Power Generation

Incheon LNG Combined Cycle Power Plant

POSCO ENERGY has provided a stable supply of power to the metropolitan
region for about 50 years through its Incheon LNG Combined Cycle Plant.

3412

Power Plant Overview

인천 LNG복합발전소
인천 LNG복합발전소
  • Name

    Incheon LNG Combined Cycle
    Power Plant

  • Location

    363 and 314 Jungbong-daero
    405 Beon-gil, Seo-gu, Incheon

  • Site area

    434,173m2

  • Fuel

    LNG(Liquefied Natural Gas)

  • Installed capacity

    3,412MW in total

  • Feature

    Total 7 units

Power Generation Equipment

The Incheon LNG power plant operates a total of seven combined-cycle
power generation units with a total installed capacity of 3,412MW.
Units 7-9 were constructed to replace Unit 1 and 2 and are the latest power generation equipment that is higher
in generating efficiency than the existing LNG combined cycle power plants in Korea.

Installed Capacity of Incheon LNG
Combined Cycle Power PlantUnit(MW)

인천 LNG복합발전소 설비용량 그래프. 1972년: 324.8MW, 2010년: 1,800MW 1~4호기, 2011년: 3,052MW 1~6호기, 2015년: 3,412MW 3~9호기

Composition of equipment

인천 LNG복합발전소 설비용량 호기별 설비구성 내용이 보여집니다.
Unit Capacity COD* Composition(MW)
Unit 3 450MW 1999 G/T 3 unit : 300, S/T 1 unit : 150
Unit 4 450MW 2001 G/T 3 unit : 300, S/T 1 unit : 150
Unit 5 626MW Feb. 2011 G/T 2 unit : 406, S/T 1 unit : 220
Unit 6 626MW Jun. 2011 G/T 2 unit : 406, S/T 1 unit : 220
Unit 7 420MW Jul. 2014 G/T 1 unit : 275, S/T 1 unit : 145
Unit 8 420MW Oct. 2014 G/T 1 unit : 275, S/T 1 unit : 145
Unit 9 420MW Jan. 2015 G/T 1 unit : 275, S/T 1 unit : 145

*COD(Commercial Operation Date)

Operation

POSCO ENERGY has established its own smart power plant model to bring to life highly efficient,
perfectly reliable and zero-accident power generation facilities,
building on about 50 years of power plant operational technology and know-how.

We combine IoT and Big Data to advanced power plant operational technology to make smart power plant.
POSCO ENERGY applies smart technology to the integrated operation of distribution power generation
to develop solutions for responding effectively to changes in tomorrow’s power generation industry.

발전소 운영
발전소 운영

The roadmap of Smart Power Plant

  1. [As-is] Experience-based facility operation

    • Operational management via accumulated know-how
      and initial design parameters
    • Maintenance and repair aligned with manufacturer’s
      recommended standards
  2. [To-be]Data-based facility operation

    • Smart operation and optimized management system based on
      operational forecasts built using Big Data analysis technology
    • Early detection of faults using real-time breakdown prediction
      modeling

The Principle of LNG Combined Cycle Power Generation

Higher efficiency power generation by using gas turbine and steam turbine

View detail

Operation Principles for the LNG Combined
Cycle Power Plant

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