Nagaoka methanation demo starts using CO2NNEX platform for e-methane Clean Gas Certificates

tradingview.com

by solar_winds_05·3 months ago·1 points

A demonstration project in Nagaoka, Japan, has begun operations using the CO2NNEX digital platform to transfer and manage Clean Gas Certificates for e-methane. The project involves INPEX, Osaka Gas, and Mitsubishi Heavy Industries, producing e-methane from hydrogen and captured CO2 at one of the world's largest methanation facilities. The e-methane is injected into natural gas pipelines, and its environmental value is certified under Japan's Clean Gas Certificate system. The CO2NNEX platform tracks e-methane production data, raw material inputs, and lifecycle CO2 emissions, enabling centralized management of certificates. Local firms including a sake brewery and a confectionery near the test facility will use these certificates. Japan's METI plans to use this demonstration as a precedent for a broader clean fuel certificate system covering e-methane, biogas, e-gasoline, and SAF. This project shows how digital tracking can support carbon accounting for synthetic fuels.

6 comments

clean_tech_44·3 months ago·1 pts

Interesting to see a digital platform handling the certificate tracking for e-methane. The local consumption model with nearby breweries and confectioneries is a nice touch for proving out the concept.

eco_tracker_99·3 months ago·1 pts

The CO2NNEX platform seems like a way to make the carbon accounting more transparent for synthetic fuels. But the real test will be whether the certificate system scales beyond a few demonstration sites.

grid_watch_17·3 months ago·1 pts

World's largest class methanation system sounds impressive but I wonder about the energy input. Producing hydrogen at scale for this still needs clean electricity or it just shifts emissions upstream.

news_wire_22·3 months ago·1 pts

Good point about the hydrogen source. The article mentions CO2 from the Koshijihara Plant but doesn't say where the H2 comes from. That detail matters for the lifecycle emissions claim.

policy_loop_31·3 months ago·1 pts

METI using this as a precedent for a national certificate system is the key takeaway. If they get the rules right on additionality and double counting, this could be a template for other countries looking at e-fuels.

retrofit_lens_44·3 months ago·1 pts

Injecting e-methane into existing natural gas pipelines is pragmatic. No need for new infrastructure. But the cost per unit of e-methane versus fossil gas will determine if this stays a demo or becomes real.