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With POSCO

Off-Gas Combined Cycle Power Generation

Gwangyang∙Pohang Off-Gas Combined Cycle Power Plant

POSCO ENERGY is operating an off-gas combined cycle power plant in Gwangyang and Pohang.
Off-gas combined cycle power plant produces electricity by using the off-gas generated from the iron manufacture process in a steel mill as fuel.

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Gwangyang Off-Gas Combined Cycle Power Plant

Korea’s first Off-Gas Combined Cycle Power Plant

Power Plant Overview

The Gwangyang Plant, the nation’s first of its kind to be built, was completed in December 2010.
Its total installed capacity reaches 284MW. Off-gas combined cycle power plant in Gwangyang where they produce electricity by
using the off-gas as fuel is an eco-friendly power plant that has the replacement
effect for the import of crude oil amounting to 57 billion won annually and 180,000 ton of greenhouse gas reduction effect.

광양 부생가스복합발전소
광양 부생가스복합발전소
  • Name

    Gwangyang Off-Gas Combined Cycle
    Power Plant

  • Location

    Within Gwangyang Steelworks,
    1800 Jecheol-ro, Gwangyang, Jeollanam-do

  • Site area

    32,177m2

  • Fuel

    BFG(Blast Furnace Gas) +
    COG(Coke Oven Gas)

  • Composition(MW)

    284MW in total (Units 1 and 2)

  • Completion date

    Dec. 2010

Composition of equipment

광양 부생가스복합발전소 설비용량 호기별 설비 구성 내용이 보여집니다.
Unit Capacity COD* Composition(MW)
Unit 1 142MW Aug. 2010 G/T 1 unit : 86, S/T 1 unit : 56
Unit 2 142MW Dec. 2010 G/T 1 unit : 86, S/T 1 unit : 56

*COD(Commercial Operation Date)

Pohang Off-Gas Combined Cycle Power Plant

The world’s first to produce electricity using the fuel combining
BFG(Blast Furnace Gas) and FOG(FINEX Off-Gas)

Power Plant Overview

The Pohang Plant, the world’s first to produce electricity using the fuel combining BFG(BlastFurnace Gas)
and FOG(FINEX Off-Gas), is equipped with facilities with total installed capacity of 290MW.
FOG generated from the FINEX plant is high in generating efficiency as its standard heat is higher than BFG.

In addition, off-gas combined cycle power plant in Pohang introduced a nitrogen oxide reduction device and minimized pollutants by
establishing the internal management standard (30 ppm) that is more tightened than the legal management standard (50 ppm)
and is now taking the lead in improving the atmospheric environment.

포항 부생가스복합발전소
포항 부생가스복합발전소
  • Name

    Pohang Off-Gas Combined Cycle
    Power Plant

  • Location

    Within Pohang Steelworks, 6262
    Donghaean-ro, Nam-gu,
    Pohang, Gyeongsangbuk-do

  • Site area

    45,000m2

  • Fuel

    BFG(Blast Furnace Gas) +
    COG(Coke Oven Gas) +
    FOG(FINEX Off Gas)

  • Installed capacity

    290MW in total (Units 1 and 2)

  • Completion date

    Jul. 2014

Composition of equipment

포항 부생가스복합발전소 설비용량 호기별 설비 구성 내용이 보여집니다.
Unit Capacity COD* Composition(MW)
Unit 1 145MW Sep. 2013 G/T 1 unit : 88.9, S/T 1 unit : 56.1
Unit 1 145MW Mar. 2014 G/T 1 unit : 88.9, S/T 1 unit : 56.1

*COD(Commercial Operation Date)

The Principle of Off-Gas Combined Cycle Power Generation

제철소: 제철공정에서 발생하는 부생가스를 연료로 공급합니다. 발전소: 가스압축기를 통해 부생가스를 압축,공금하여 가스커빈에서 1차전력을 생산한 후, 배출되는 고온의 배기 가스를 회수하여 스팀터빈에서 2차 전력을 생산합니다.
View detail

The Principle of Off-Gas Combined Cycle Power Generation

부생가스복합발전소 영상 및 발전 원리. 제철소: 제철공정에서 발생하는 부생가스를 연료로 공급합니다. 발전소: 가스압축기를 통해 부생가스를 압축,공금하여 가스커빈에서 1차전력을 생산한 후, 배출되는 고온의 배기 가스를 회수하여 스팀터빈에서 2차 전력을 생산합니다. 주거지 및 산업시설: 생산된 전력은 지역 산업시설에 공급됩니다.
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