Yamna Port de Açu
Overview
StatusFeasibilityInternational Energy Agency · as of 2026
Country · regionBrazilInternational Energy Agency · as of 2026 · Rio de Janeiro State, Brazil
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductAmmoniaInternational Energy Agency · as of 2026
Capacity1,000 MWInternational Energy Agency · as of 2026
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. “Other Electrolysis” and “Unknown PtX” are recorded classifications, not a specific electrolyzer design or power-to-X route.
Details
Technology & product
Configuration DetailUnknown PtXInternational Energy Agency · as of 2026
Capacity & economics
Production Volumeup to one million tons per year (1MTPA)
Status & timeline
EventYamna and Port of Açu announced a land reservation agreement on 7 January 2025; Yamna expected first green-molecule production in 2030 (target, not operation).
Location & names
Site NamePort of Açu low-carbon cluster
Additional project information
Administrative AreaPort of AçuInternational Energy Agency · as of 2026
Capacity (Announced Size)1 GW - 1 Mt/y productionInternational Energy Agency · as of 2026
Capacity (kt H2/y)173 kt H2/yInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)222,222 Nm³ H₂/hInternational Energy Agency · as of 2026
Timeline
No recorded project events.
Sources & record history
Sources
- IEA Hydrogen Projects dataset Shared by 11 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- Port of Açu Port of Açu and Yamna Announce a Land Reservation Agreement for the Development of a Green Ammonia Plant Shared by 3 fields: Current
- Yamna Port of Açu & Yamna sign green ammonia land deal in Brazil
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 | Yamna Port de Açu | View exact valueYamna Port de Açu | IEA Hydrogen Projects dataset | — | — |
| Site Name | Port of Açu low-carbon cluster | View exact valuePort of Açu low-carbon cluster | Port of Açu and Yamna Announce a Land Reservation Agreement for the Development of a Green Ammonia Plant | — | |
| Administrative Area | Rio de Janeiro State, Brazil | View exact valueRio de Janeiro State, Brazil | Port of Açu and Yamna Announce a Land Reservation Agreement for the Development of a Green Ammonia Plant | — | |
| Country | Brazil | View exact valueBrazil | IEA Hydrogen Projects dataset | — | — |
| Configuration Detail | Unknown PtX | View exact valueUnknown PtX | IEA Hydrogen Projects dataset | — | — |
| Product | Ammonia | View exact valueAmmonia | IEA Hydrogen Projects dataset | — | — |
| Technology | Other Electrolysis | View exact valueOther Electrolysis | IEA Hydrogen Projects dataset | — | — |
| Capacity | 1,000 MW | View exact value1000 MW | IEA Hydrogen Projects dataset | — | — |
| Production Volume | up to one million tons per year (1MTPA) | View exact valueup to one million tons per year (1MTPA) | Port of Açu & Yamna sign green ammonia land deal in Brazil | Current | |
| Event | Yamna and Port of Açu announced a land reservation agreement on 7 January 2025; Yamna expected first green-molecule production in 2030 (target, not operation). | View exact valueYamna and Port of Açu announced a land reservation agreement on 7 January 2025; Yamna expected first green-molecule production in 2030 (target, not operation). | Port of Açu and Yamna Announce a Land Reservation Agreement for the Development of a Green Ammonia Plant | — | |
| Progress Status | Feasibility | View exact valueFeasibility study | IEA Hydrogen Projects dataset | — | — |
| Administrative Area | Port of Açu | View exact valuePort of Açu | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 1 GW - 1 Mt/y production | View exact value1 GW - 1 Mt/y production | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 173 kt H2/y | View exact value173.25333333333333 kt H2/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 222,222 Nm³ H₂/h | View exact value222222.22222222225 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
Record history
4 current sourced values · 6 older values · Record updated