Formosa Mailiao

A 540,000 barrels per calendar day petroleum refinery in Mailiao, TW, operated by Formosa Petrochemical. Nelson Complexity 12.

Record

Rated capacity

540,000 bpd (atmospheric crude distillation, calendar day)

Nelson Complexity Index

12

Status

Operating

Operator

Formosa Petrochemical

Parent

Formosa Petrochemical Corporation (TPE:6505)

Supplier graph

bomforge.com/companies/formosa-petrochemical

Coordinates

23.7900, 120.2100

Notes

Multiple recent news items indicate planned maintenance in March 2026, permanent shutdown of cracker unit, and force majeure declaration due to war-driven shipping delays affecting operations. These factors collectively suggest reduced operational capacity during this period.

What coverage reports

2,228 days since one was reported

Taiwan: Fire Hits Formosa's Mailiao Refinery
2020-07-15 · 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

1. 10 Dec 2025 Maintenance Medium
   Taiwan's FPCC plans maintenance for Mailiao refinery in March
   Quantum Commodity Intelligence · matched mailiao
2. 3 Apr 2024 General Critical
   Taiwan's FPCC shuts Mailiao refinery port after quake, sources say
   The Star · matched mailiao
3. 15 Jul 2020 Incident High
   Taiwan: Fire Hits Formosa's Mailiao Refinery
   Asian Oil and Gas News + 1 other outlet · matched mailiao

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.