Innovative Integration of Ammonia Cracking and Power Generation: Hanwha Impact’s H2ACT-HRSG Project

Presented on October 21, 2025 during the Annual Conference 2025

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Abstract

The Hanwha Impact H2ACT-HRSG project introduces a novel and highly efficient flow-scheme that integrates ammonia cracking with heat recovery steam generation (HRSG), tailored for small-to-medium scale clean power applications. Developed in collaboration with KBR, this configuration leverages high-grade heat from gas turbine exhaust and duct firing to drive a series of adiabatic reactors, enabling efficient hydrogen production from ammonia while simultaneously generating steam for power. This innovative integration—termed H2ACT-HRSG—offers performance advantages over conventional stand-alone ammonia cracking systems in combined cycle power generation settings. Key benefits include enhanced hydrogen yield, improved net power generation, and reduced specific ammonia consumption, all contributing to a lower Levelized Cost of Electricity (LCOE). The system’s modular design and optimized heat recovery make it particularly attractive for decentralized clean energy deployment. The presentation will cover: Hanwha’s pilot plant setup at the Wonik Materials site; 100% hydrogen firing demonstration at Hanwha’s Daesan GTG demo plant, showcasing operational feasibility and performance; Detailed insights into the H2ACT and HRSG integration configuration, including ammonia cracking and overall system performance. This work demonstrates a promising pathway for scalable, cost-effective hydrogen-based power generation using ammonia as a carrier, aligning with global decarbonization goals.

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Topics Ammonia Combustion Ammonia Demand Ammonia Energy Conference Ammonia Energy Import/Export Ammonia Gas Turbine Ammonia Markets Ammonia Safety Ammonia Storage Catalysts Cracking Ammonia Emissions Emissions Testing Houston 2025 Infrastructure NOx Emissions Power Generation Stationary Power

Authors Tuan.Hoang