Refinery

Idemitsu Chiba

Idemitsu Kosan ·Chiba, JP ·TYO:5019 ·v1.1

A 190,000 barrels per calendar day petroleum refinery in Chiba, JP, operated by Idemitsu Kosan. Nelson Complexity 10.

Record

Rated capacity
190,000 bpd (atmospheric crude distillation, calendar day)
Nelson Complexity Index
10
Status
Operating
Operator
Idemitsu Kosan
Parent
Idemitsu Kosan Co., Ltd. (TYO:5019)
Supplier graph
bomforge.com/companies/idemitsu-kosan
Coordinates
35.5400, 140.0800

What coverage reports

780 days since one was reported

Fire breaks out at Idemitsu’s Chiba refinery, spokesperson says
2024-07-02 · 2 publishers filed it

0 reported in 12 months
2024-092026-08
stories filed per month · red = a disruption

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

5 records25 Sep 2020 to 11 Dec 2025General 2 · Maintenance 2 · Incident 1
  1. General Low
    Japan's Idemitsu Kosan at Work on Chiba Refinery
    Industrial Info Resources · matched chiba
  2. Maintenance Critical
    Eneos shuts CDU at Chiba refinery for planned turnaround
    Quantum Commodity Intelligence · matched chiba
  3. Incident High
    Fire breaks out at Idemitsu’s Chiba refinery, spokesperson says
    arabnews.jp + 1 other outlet · matched chiba
  4. Maintenance Medium
    Idemitsu restarts 190,000 barrel-per-day Chiba crude distillation unit after maintenance
    Reuters · matched chiba
  5. General Low
    Eneos to shift joint venture with PetroChina to Chiba oil refinery
    Reuters · matched chiba

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.