Operations Started for the Nagaoka Methanation Demonstration Utilizing the CO₂NNEX® Digital Platform for Transfer and Management of e-Methane Clean Gas Certificates

Tokyo, May 28, 2026 - INPEX CORPORATION (INPEX), Osaka Gas Co., Ltd. (Osaka Gas), and Mitsubishi Heavy Industries, Ltd. (MHI) today started operations of a system to facilitate the transfer and management of Clean Gas Certificates, part of a demonstration project being jointly conducted by INPEX and Osaka Gas aimed at developing practical technology for the reduction and effective utilization of CO2 emissions by using one of the world's largest-class methanation systems (hereinafter, the "Nagaoka Methanation Demonstration").(Note1) This system, which is being developed by Osaka Gas and MHI using the CO2NNEX®(Note2) digital platform, is the first of its kind in the city gas industry for transfer and management of Clean Gas Certificates to certify the environmental value(Note3) of e-methane.

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Jun 3, 2026 - 22:35
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Operations Started for the Nagaoka Methanation Demonstration Utilizing the CO₂NNEX® Digital Platform for Transfer and Management of e-Methane Clean Gas Certificates
Tokyo, May 28, 2026 - INPEX CORPORATION (INPEX), Osaka Gas Co., Ltd. (Osaka Gas), and Mitsubishi Heavy Industries, Ltd. (MHI) today started operations of a system to facilitate the transfer and management of Clean Gas Certificates, part of a demonstration project being jointly conducted by INPEX and Osaka Gas aimed at developing practical technology for the reduction and effective utilization of CO2 emissions by using one of the world's largest-class methanation systems (hereinafter, the "Nagaoka Methanation Demonstration").(Note1) This system, which is being developed by Osaka Gas and MHI using the CO2NNEX®(Note2) digital platform, is the first of its kind in the city gas industry for transfer and management of Clean Gas Certificates to certify the environmental value(Note3) of e-methane.
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