CHOCHCO
Overview
StatusDemoInternational Energy Agency · as of 2026
Country · regionFrance · Paris
Technologyco-electrolysis, catalytic methanation, power-to-gas
ProductMethane
Capacity values retain their recorded units and scope. MW, kt H₂/y and Nm³ H₂/h are different measures; this page does not convert or add them without a shared operating basis.
Details
Technology & product
Componentshigh temperature co-electrolysis block, catalytic methanation block, methane upgrading block
Final Useinjection into the natural gas grid
Capacity & economics
FinancingFunding source: ANR; ANR help 998,466 euros
Total Capex998466.0 €
Status & timeline
Lifecycle StageCompleted
EventBeginning January 2014; scientific project duration 42 months
Date online (tracker field)2014 (meaning under review)International Energy Agency · as of 2026
Location & names
External IdentifierANR-13-SEED-0002
Additional project information
ProductCH4International Energy Agency · as of 2026
TechnologySOECInternational Energy Agency · as of 2026
Timeline
No recorded project events.
Sources & record history
Sources
- Agence nationale de la recherche (ANR) Optimization of a flexible technological chaine of CO2/H2O co-electrolysis and CO-hydrogenation into synthetic methane – CHOCHCO Shared by 5 fields: Current
- CO2 Value Europe database CHOCHCO | CCU Projects Database Shared by 5 fields: Current
- AIChE Natural Gas Conversion Symposium program Low-Temperature CO2 Methanation Catalyst for Power-to-Gas
- International Energy Agency IEA Hydrogen Projects dataset Shared by 4 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- CCU Projects Database CHOCHCO
Field sources
Shared date, confidence and value status appear once with their source above; a dash in the table refers to that source context.
| Field | Shown value | Original value | Source | Date basis | Meaning |
|---|---|---|---|---|---|
| Name | CHOCHCO | View exact valueCHOCHCO | Optimization of a flexible technological chaine of CO2/H2O co-electrolysis and CO-hydrogenation into synthetic methane – CHOCHCO | — | |
| Administrative Area | Paris | View exact valueParis | CHOCHCO | CCU Projects Database | — | |
| Country | France | View exact valueFrance | CHOCHCO | CCU Projects Database | — | |
| External Identifier | ANR-13-SEED-0002 | View exact valueANR-13-SEED-0002 | Optimization of a flexible technological chaine of CO2/H2O co-electrolysis and CO-hydrogenation into synthetic methane – CHOCHCO | — | |
| Components | high temperature co-electrolysis block, catalytic methanation block, methane upgrading block | View exact value["high temperature co-electrolysis block","catalytic methanation block","methane upgrading block"] | Optimization of a flexible technological chaine of CO2/H2O co-electrolysis and CO-hydrogenation into synthetic methane – CHOCHCO | — | |
| Final Use | injection into the natural gas grid | View exact valueinjection into the natural gas grid | Optimization of a flexible technological chaine of CO2/H2O co-electrolysis and CO-hydrogenation into synthetic methane – CHOCHCO | — | |
| Product | Methane | View exact valueMethane | CHOCHCO | CCU Projects Database | — | |
| Technology | co-electrolysis, catalytic methanation, power-to-gas | View exact value["co-electrolysis","catalytic methanation","power-to-gas"] | Low-Temperature CO2 Methanation Catalyst for Power-to-Gas | Current | |
| Financing | Funding source: ANR; ANR help 998,466 euros | View exact valueFunding source: ANR; ANR help 998,466 euros | CHOCHCO | CCU Projects Database | — | |
| Total Capex | 998466.0 € | View exact value998466.0 € | CHOCHCO | CCU Projects Database | — | |
| Event | Beginning January 2014; scientific project duration 42 months | View exact valueBeginning January 2014; scientific project duration 42 months | Optimization of a flexible technological chaine of CO2/H2O co-electrolysis and CO-hydrogenation into synthetic methane – CHOCHCO | — | |
| Event | Date online : 2014 | View exact value{"date":"2014","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"} | IEA Hydrogen Projects dataset | — | — |
| Lifecycle Stage | Completed | View exact valueCompleted | CHOCHCO | Current | |
| Progress Status | Demo | View exact valueDEMO | IEA Hydrogen Projects dataset | — | — |
| Product | CH4 | View exact valueCH4 | IEA Hydrogen Projects dataset | — | — |
| Technology | SOEC | View exact valueSOEC | IEA Hydrogen Projects dataset | — | — |
Record history
11 current sourced values · 2 older values · Record updated