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H2 Gas Turbine Retrofit & Upgrade

An approach that lowers expenses and carbon emissions by transforming aged LNG gas turbines into hydrogen turbines that can co-fire hydrogen and natural gas or burn only hydrogen.

H2 Turbine Power Generation Solution

Hydrogen Gas Turbine H₂GT

LNG Power Plant
Gas Turbine
[Hydrogen Combustor] → Retrofit → [Gas Turbine]
Hydrogen Combustor
Hydrogen Power Plant

Key Benefits

Current Status of Domestic LNG Power Plants

158 gas turbines
Facility capacity
(29.9%, combined cycle basis)
39.6 GW
Total power generation
(26.4%, including district energy)
145.4 TWh
CO₂ emissions
(emission factor) based on 0.3625 kg/kWh
52.7
million tons

CO₂ reduction rate according to
hydrogen co-firing ratio

xHydrogen co-firing ratio(%) yCO₂ emission
reduction rate(%)

Advantages of Utilizing Existing Assets

Minimal facility investment, including combustor replacement
Conversion to a low-cost, eco-friendly hydrogen power generator
Utilization of existing power grid and infrastructure
Reduced socioeconomic burden from the energy transition

NOx emissions according to the
hydrogen co-firing ratio*Hanwha Data

xH2 Volume Fraction yNOx(ppm) Hanwha demonstration results
5.5 ppm

Hydrogen Combustor

Our hydrogen combustion technology effectively addresses key challenges: the risk of equipment damage from flashback phenomena and vibration caused by rapid flame propagation during hydrogen combustion, and increased nitrogen oxide(NOx) emissions.
Additionally, it can be applied to major OEM gas turbines, enabling rapid conversion to hydrogen power generation with minimal modifications to existing power facilities.
FlameSheet™ Inside

FlameSheet™

Combustor Independently Developed by Hanwha for Hydrogen Combustion in Existing Gas Turbines
  • 6B
  • GE 7E/9E
  • GE 7F/9F
  • Frame 5
  • Siemens, Mitsubishi 501F/701F

Achievement

Successful Development and Demonstration of Utility-Scale Hydrogen Turbine

With Korea's first successful demonstration of 100% hydrogen combustion in an 80 MW-class gas turbine, we are at the forefront of utility-scale hydrogen turbine development. Additionally, we are developing hydrogen co-firing power generating technology for Korea's most extensively installed F-class gas turbines.

80 MW-class Hydrogen Co-firing and Full-firing Power Generation Achievements

  • April 2023 : Successful demonstration of 60% hydrogen co-firing ratio at 100% load
  • November 2023 : Successful demonstration of hydrogen full-firing at no load
  • May 2024 : Successful DLR test under 100% load conditions with hydrogen full-firing

Daesan Power Plant

Existing Pipe rack, Fuel Compressor Package, Fuel Filter / Mixing Module, GTG Package, LNG Package System, H₂ Tube Trailer, Control Room(GTG/LNG), Transformer & Elec. Room, Existing Facility, Load Bank

150 MW-class Hydrogen Co-firing Power Development Process

  • Executing national project(KETEP) for 150 MW-class hydrogen retrofit(60% hydrogen co-firing ratio)
    - Domestic development of hydrogen combustor and hydrogen mixing station
  • Hanwha/PSM's combustor capable of 80% hydrogen co-firing(2024), providing an Upgrade(GTOP) Solution

Hanwha/PSM FlameSheet and Turbine Upgrade-GTOP Retrofit Solution

Application

Our hydrogen turbine technology has been proven in international markets, and we have quickly attained high hydrogen co-firing ratios using the knowledge we have gathered from domestic demonstration projects.

Examples of Turbine Modification Demonstration.

  • 30%
    Operational hydrogen co-firing site
    (Netherlands, 2018~)
  • 40%
    Operational hydrogen co-firing site
    (USA, 2023~)
  • 60%
    Hydrogen co-firing ready site
    (Daesan, 2025~)
  • 100%
    Successful hydrogen full-firing demonstration site
    (Daesan, 2023~)
  • Netherlands Uniper 9E(30%)
  • Hanwha Total Energies, Republic of Korea F5(60%)
  • United States Linden Cogen 7F(40%)
  • Hanwha Impact, Republic of Korea 7E(100%)
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