Yamaguchi Refinery
A 120,000 barrels per calendar day petroleum refinery in Japan, JP, operated by ENEOS. Status: closed.
Record
- Rated capacity
- 120,000 bpd (atmospheric crude distillation, calendar day)
- Status
- Closed
- Operator
- ENEOS
- Parent
- ENEOS Corporation (TYO:5020)
- Supplier graph
- bomforge.com/companies/eneos-japan
- Coordinates
- 35.4764, 137.9850
Notes
December 2025 news confirms Seibu Oil is closing the Yamaguchi Refinery. The facility is transitioning from active refining operations to conversion into a different facility type (carbon-free energy hub). The closure announcement supersedes the previous 'under_construction' status which referred to the conversion project itself.
What coverage reports
Seibu Oil Company Limited to Close Yamaguchi Refinery in Japan in March
2025-12-11 · 1 publisher filed it
operations 1
These are counts of what publishers filed about this plant, not an operating status. A quiet month means nobody named this facility that month, which is a fact about coverage and not about the plant. Where this site states how a refinery is running it says so in the facts table above, from the curated dataset, and cites it there.
Wire
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Operations LowSeibu Oil Company Limited to Close Yamaguchi Refinery in Japan in MarchIndustrial Info Resources + 1 other outlet · matched yamaguchi
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General LowJapan's Seibu Oil Closes Yamaguchi RefineryIndustrial Info Resources · matched yamaguchi
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Operations CriticalIdemitsu to shut 120kbpd Yamaguchi refinery in emissions cut driveQuantum Commodity Intelligence · matched yamaguchi
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General LowIdemitsu to Turn Yamaguchi Refinery into Carbon-Free Energy Hubegyptoil-gas.com + 1 other outlet · matched yamaguchi
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General LowIdemitsu plans to turn Yamaguchi refinery into carbon-free energy hubReuters + 1 other outlet · matched yamaguchi
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Expansion LowIdemitsu acquires majority stake in Seibu Oil, will close Yamaguchi refinery by 2024Indian Chemical News · matched yamaguchi
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Operations CriticalJapan’s Idemitsu Kosan to shut down Yamaguchi refineryOil & Gas Journal · matched yamaguchi
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Operations LowIdemitsu to close Yamaguchi refinery in Japan by March 2024offshore-technology.com + 1 other outlet · matched yamaguchi
Every item names this facility by city or plant name in its headline or summary. Operator-only mentions never attribute. Headlines and links belong to the publishers named.