Hyundai Heavy Industries - HHI East Sea
Overview
StatusConceptHD Hyundai
Country · regionKorea, Republic ofHD Hyundai
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity1,200 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
ComponentsElectrolyserHD Hyundai
Configuration DetailUnknown PtXInternational Energy Agency · as of 2026
Project Group부유식 해상풍력 연계 그린수소 생산 (Phase 2)HD Hyundai
Project Typehydrogen production facilityHD Hyundai
Status & timeline
Inactivity Signal2021-03-22HD Hyundai
EventInvestment agreement signedHD Hyundai
Location & names
Site Name동해 부유식 풍력단지HD Hyundai
AliasHyundai Heavy Industries - HHI East SeaHD Hyundai
Local Name동해 그린수소 생산플랜트HD Hyundai
Official Name동해 그린수소 생산플랜트HD Hyundai
Additional project information
Administrative AreaRandom location in KoreaInternational Energy Agency · as of 2026
CountryKorea, Republic ofInternational Energy Agency · as of 2026
Progress StatusDormantInternational Energy Agency · as of 2026
Capacity (Announced Size)1200 MWInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)266,667 Nm³ H₂/hInternational Energy Agency · as of 2026
Capacity (kt H2/y)208 kt H2/yInternational Energy Agency · as of 2026
Timeline
No recorded project events.
Sources & record history
Sources
- Green Hydrogen News HHI to build pilot green hydrogen production plant - Energy News
- HD Hyundai HD Hyundai (https://esg.hd.com/ko/news/480)
- H2Prism earlier record (SRC-C-P200)
- International Energy Agency IEA Hydrogen Projects dataset Shared by 10 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- HD Hyundai HD Hyundai (https://esg.hd.com/ko/news/506)
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 | Hyundai Heavy Industries - HHI East Sea | View exact valueHyundai Heavy Industries - HHI East Sea | HHI to build pilot green hydrogen production plant - Energy News | Current | |
| Site Name | 동해 부유식 풍력단지 | View exact value동해 부유식 풍력단지 | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Alias | Hyundai Heavy Industries - HHI East Sea | View exact value[{"kind":"source_label","name":"Hyundai Heavy Industries - HHI East Sea"}] | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Country | Korea, Republic of | View exact valueKOR | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Local Name | 동해 그린수소 생산플랜트 | View exact value동해 그린수소 생산플랜트 | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Official Name | 동해 그린수소 생산플랜트 | View exact value[{"lang":"ko","name":"동해 그린수소 생산플랜트","evidence":["E-01"]}] | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Components | Electrolyser | View exact value{"kind":"전해조","tech":"기타","tech_raw":"대규모 수전해(水電解) 기반","component_id":"CMP-1"} | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Configuration Detail | Unknown PtX | View exact valueUnknown PtX | IEA Hydrogen Projects dataset | — | — |
| Product | H2 | View exact valueH2 | IEA Hydrogen Projects dataset | — | — |
| Project Group | 부유식 해상풍력 연계 그린수소 생산 (Phase 2) | View exact value{"exists":true,"evidence":["E-01"],"group_name":"부유식 해상풍력 연계 그린수소 생산","phase_name":"2단계","phase_order":2} | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Project Type | hydrogen production facility | View exact valuehydrogen_production_facility | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Technology | Other Electrolysis | View exact valueOther Electrolysis | IEA Hydrogen Projects dataset | — | — |
| Capacity | 1,200 MW | View exact value1200 MW | IEA Hydrogen Projects dataset | — | — |
| Event | Investment agreement signed | View exact value{"date":null,"tags":{"as_of":"2021-03-22","source":"HD Hyundai ESG news release","evidence":["E-03"],"judged_by":"transcription","confidence":"medium","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-04","event_id":"V-01","raw_date_text":"현대중공업은 6일(목) ... ‘부유식 해상풍력 연계 100MW급 그린수소 생산 실증설비 구축에 대한 MOU(양해각서)’를 체결했다고 밝혔다.","date_precision":"unknown"} | HD Hyundai (https://esg.hd.com/ko/news/480); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Inactivity Signal | 2021-03-22 | View exact value{"raw_text":"2021 MOU 발표 뒤 2026-08-18까지 대상 수소설비의 FID·착공·시운전·가동·취소 원문을 찾지 못함","rule_version":"H2PRISM_JUDGMENT_RULES_V1_20260816","last_substantive_event":"V-01","last_substantive_event_date":"2021-03-22"} | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/506); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Progress Status | Concept | View exact valueConcept | HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/480); HD Hyundai (https://esg.hd.com/ko/news/506); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Administrative Area | Random location in Korea | View exact valueRandom location in Korea | IEA Hydrogen Projects dataset | — | — |
| Country | Korea, Republic of | View exact valueSouth Korea | IEA Hydrogen Projects dataset | — | — |
| Progress Status | Dormant | View exact valueDormant | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 1200 MW | View exact value1200 MW | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 266,667 Nm³ H₂/h | View exact value266666.6666666667 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 208 kt H2/y | View exact value207.904 kt H2/y | IEA Hydrogen Projects dataset | — | — |
Record history
0 current sourced values · 15 older values · Record updated