Agios Efstratios - Green Island
Overview
Statusfull-scale operation started in November 2025
Country · regionGreece
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity0.1 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
Componentswind turbine, photovoltaic station/park, electricity storage accumulators/battery energy storage system, Energy Management and Monitoring System, district/remote heating system, hot-water storage tanks, thermal-energy distribution network
Configuration DetailUnknown PtXInternational Energy Agency · as of 2026
Project TypeHybrid system for the production of electricity and heat from renewable energy sources, integrated with district/remote heating.
Status & timeline
Lifecycle Stagecommissioned for operation
Date online (tracker field)2012 (meaning under review)International Energy Agency · as of 2026
Additional project information
Progress StatusOperationalInternational Energy Agency · as of 2026
Capacity (Announced Size)0.1 MWInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)22.2 Nm³ H₂/hInternational Energy Agency · as of 2026
Capacity (kt H2/y)0.017 kt H2/yInternational Energy Agency · as of 2026
Timeline
No recorded project events.
Sources & record history
Sources
- Proto Thema How Agios Efstratios became a model energy island with up to 98% renewable power
- Clean energy for EU islands Secretariat / European Union Agios Eftratios, Greece
- Euronext Athens TERNA ENERGY announced winning bidder in the CRES tender for rendering Ai Stratis a "green island"
- International Energy Agency IEA Hydrogen Projects dataset Shared by 9 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- Hellenic Electricity Distribution Network Operator (HEDNO/DEDDIE) Hybrid Energy Project of Ai Stratis (Ai Stratis Green Island)
- Ai Stratis - Green Island project website NEWS - Αη Στράτης Shared by 2 fields: Current
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 | Agios Efstratios - Green Island | View exact valueAgios Efstratios - Green Island | How Agios Efstratios became a model energy island with up to 98% renewable power | Current | |
| Country | Greece | View exact valueGreece | Agios Eftratios, Greece | Current | |
| Components | wind turbine, photovoltaic station/park, electricity storage accumulators/battery energy storage system, Energy Management and Monitoring System, district/remote heating system, hot-water storage tanks, thermal-energy distribution network | View exact value["wind turbine","photovoltaic station/park","electricity storage accumulators/battery energy storage system","Energy Management and Monitoring System","district/remote heating system","hot-water storage tanks","thermal-energy distribution network"] | TERNA ENERGY announced winning bidder in the CRES tender for rendering Ai Stratis a "green island" | Current | |
| Configuration Detail | Unknown PtX | View exact valueUnknown PtX | IEA Hydrogen Projects dataset | — | — |
| Product | H2 | View exact valueH2 | IEA Hydrogen Projects dataset | — | — |
| Project Type | Hybrid system for the production of electricity and heat from renewable energy sources, integrated with district/remote heating. | View exact valueHybrid system for the production of electricity and heat from renewable energy sources, integrated with district/remote heating. | Hybrid Energy Project of Ai Stratis (Ai Stratis Green Island) | Current | |
| Technology | Other Electrolysis | View exact valueOther Electrolysis | IEA Hydrogen Projects dataset | — | — |
| Capacity | 0.1 MW | View exact value0.1 MW | IEA Hydrogen Projects dataset | — | — |
| Event | Date online : 2012 | View exact value{"date":"2012","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"} | IEA Hydrogen Projects dataset | — | — |
| Lifecycle Stage | commissioned for operation | View exact valuecommissioned for operation | NEWS - Αη Στράτης | — | |
| Progress Status | full-scale operation started in November 2025 | View exact valuefull-scale operation started in November 2025 | NEWS - Αη Στράτης | — | |
| Progress Status | Operational | View exact valueOperational | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 0.1 MW | View exact value0.1MW | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 22.2 Nm³ H₂/h | View exact value22.222222222222225 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 0.017 kt H2/y | View exact value0.017325333333333335 kt H2/y | IEA Hydrogen Projects dataset | — | — |
Record history
5 current sourced values · 5 older values · Record updated