Hirono IGCC Plant Construction Project Completed in Fukushima; Operations Launched on November 19

TOKYO, Nov 24, 2021 – (JCN Newswire) – A consortium led by Mitsubishi Heavy Industries, Ltd. (MHI)(1) has completed construction of an integrated coal gasification combined cycle (IGCC) plant in the town of Hirono, in Fukushima Prefecture’s Futaba District, and the new plant was formally handed over to the customer, Hirono IGCC Power GK. Operation of the new facility, which is a high-efficiency, clean commercial power plant incorporating the world’s most advanced coal gasification technologies, got underway on November 19. The project called for creation of one of the world’s largest IGCC configurations, roughly twice the scale of the previously completed Nakoso Unit 10 (former IGCC demonstration plant). The new facility is the second IGCC plant of such large scale in commercial use, following the installation constructed for Nakoso IGCC Power GK that went into operation in Fukushima Prefecture’s Iwaki City this past April.

The Hirono project was completed with integration of next-generation thermal power generation technologies from MHI – including Mitsubishi Power – and three Group companies. Mitsubishi Power, a power solutions brand of MHI, manufactured the core air-blown IGCC system, including the coal gasification furnace; Mitsubishi Heavy Industries Engineering, Ltd. (MHIENG) was in charge of the gas refining equipment; Mitsubishi Electric Corporation oversaw production of generators and electrical equipment; and Mitsubishi Heavy Industries Power Environmental Solutions, Ltd. was responsible for the wastewater treatment equipment.

The Hirono IGCC plant adopts a high-efficiency gas turbine combined cycle (GTCC) system integrating gas and steam turbines. Coal is gasified in a gasification furnace at high temperature under high pressure; sulfur, ash and the like are separated out and removed; and the refined gas is used as fuel to drive the gas turbine. Combusted waste gas is fed to a waste heat recovery boiler, and the generated steam is used to operate the steam turbine. Power generation efficiency is 48%(2). This outstanding efficiency, higher than with conventional coal-fired power generation, contributes to reduction of carbon emissions.

The IGCC plant construction project undertaken by Hirono IGCC Power GK incorporates the hopes and expectations of all stakeholders that the new plant, featuring the world’s most advanced thermal power generation technologies, will contribute to the creation of the local industrial infrastructure, and thereby to Fukushima’s regional recovery.

Through its participation in this IGCC project and the resulting adoption of another next-generation high-efficiency power generation system, MHI has made a significant contribution to the effective use of resources, to environmental protection, and to revitalization of the Fukushima region.

(1) The other three partners are Mitsubishi Heavy Industries Engineering, Ltd., Mitsubishi Electric Corporation, and Mitsubishi Heavy Industries Power Environmental Solutions, Ltd.
(2) Based on net thermal efficiency (LHV: lower heating value)

About MHI Group

Mitsubishi Heavy Industries (MHI) Group is one of the world’s leading industrial groups, spanning energy, logistics & infrastructure, industrial machinery, aerospace and defense. MHI Group combines cutting-edge technology with deep experience to deliver innovative, integrated solutions that help to realize a carbon neutral world, improve the quality of life and ensure a safer world. For more information, please visit www.mhi.com or follow our insights and stories on www.spectra.mhi.com.

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