Energy, Automobile, EV, Renewable News | “CO2NNEX™”, a Digital Platform for CO2 Accounting across Supply Chains

“CO2NNEX™”, a Digital Platform for CO2 Accounting across Supply Chains

October 24, 2022

Osaka Gas Co., Ltd., Mitsubishi Heavy Industries, Ltd. (MHI), and IBM Japan, Ltd. have agreed to jointly conduct a Proof of Concept (PoC) of a system enabling visualization of the environmental value of synthetic methane, in the context of carbon dioxide (CO2) emissions across the entire supply chain. The system will make use of CO2NNEX™, a digital platform for visualizing the CO2 supply chain being developed by MHI and IBM Japan targeted at visualization and optimization of synthetic methane’s environmental value. In undertaking the PoC, the three partners will also exchange views with the Japan Gas Association, Tokyo Gas Co., Ltd., Toho Gas Co., Ltd., and INPEX Corporation aiming for increased adoption of synthetic methane and the establishment of its environmental value.

Today, discussions are underway concerning methods for counting and using CO2 in the context of CCU (carbon dioxide capture and utilization: with the captured CO2 used in the manufacture and usage of fuels, chemicals, building materials, etc.), including methanation, and studies are going forward into the application of the accounting methods to the use of synthetic methane, which is seen as a recycled-carbon fuel. The PoC to be jointly implemented is an initiative aimed at visualizing CO2 emission volumes across the entire supply chain, from synthetic methane’s production to supply and combustion. The results of the PoC are expected to be useful for achieving visualization of the CO2 supply chain within CCU, setting CO2’s trading methods, transferring its environmental value, and estimating the carbon footprint of synthetic methane supply recipients.

CO2NNEX™ is a digital platform created for CCUS (CO2 capture, utilization and storage) aimed at connecting CO2-related ecosystems and accelerating the expanded use of environmental value. Under the current initiative, CO2NNEX™ will be applied to visualize original information on CO2 and hydrogen – the materials from which synthetic methane is made – and the CO2 emission volumes generated throughout synthetic methane’s lifecycle, from production to transport, supply and combustion. By providing this traceable data, a shared platform will be developed for realizing visualization of synthetic methane’s environmental value. The project also aims to incorporate future enhancement of trade – for example, through transfer of synthetic methane’s environmental values – and to develop a system to serve as an industry standard usable by other manufacturers of synthetic methane.

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