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Obayashi geothermal hydrogen

Public information about this hydrogen project, including status, location, and technical detail.

Hover or focus the dot next to a value to see its confidence and source.

10 sourced values · 3 earlier records · 10 secondary context values

Sourced valueEarlier record, source not yet verifiedSecondary research context

Progress StatusGreen hydrogen production began in July 2021; subsequent documented supply/use includes a 2023 fuel-cell bus supplyConfidence: Reported
Source: 水素｜大林組のグリーンエネルギー事業｜大林組
CountryJapanConfidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始
Capacity0.045 MWEarlier record
Original source not yet verified
LocationView on map →

Project Identity and Location

Public NameObayashi geothermal hydrogenConfidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始
Administrative Area九重町, 玖珠郡, 大分県, 日本Confidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始

Project Purpose and Configuration

Final Usefuel for Toyota hydrogen-engine vehicleConfidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始
Power Sourcegeothermal-generated electricity / 地熱発電電力Confidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始
Productgreen hydrogen / グリーン水素Confidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始
Project Typedemonstration project / 実証プラントConfidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始

Project Scale and Economics

Production Volume10Nm³/hConfidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始

Project Lifecycle and Change

Lifecycle Stagecompleted and shipping started / 竣工・出荷開始Confidence: Reported
Source: 地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始

Earlier records

TechnologyOther ElectrolysisEarlier record
Original source not yet verified
Technology detailUnknown PtXEarlier record
Original source not yet verified

Secondary research context

Tracker snapshots are supporting research, not verified project facts. They stay separate from the sourced-value count and do not replace confirmed values.

CountryJapanSecondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Public NameObayashi geothermal hydrogenSecondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Event2020Secondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Progress StatusDEMOSecondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Show 6 moreHide 6
ProductH2Secondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
TechnologyOther ElectrolysisSecondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Capacity10Secondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Capacity0.045Secondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Capacity10m3 H2/hSecondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency
Capacity0.008Secondary source
Confidence: Reported
Snapshot 2026-06-18
Source: Secondary source · International Energy Agency

Sources

SourceTypePublisherAs of
地熱発電およびグリーン水素製造の実証プラントが完成、地産地消に向けて出荷を開始Original sourceObayashi Corporation
水素｜大林組のグリーンエネルギー事業｜大林組Original sourceObayashi Corporation