Formosa Mailiao Refinery — Taiwan
Refinery in Taiwan. Approximate location 23.80591, 120.20842.
RefineryTaiwanCO₂ estimate (modelled)
Formosa Mailiao Refinery is a refinery in Taiwan. Its listed capacity is 540,000 BBL per day. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery. It is operated by Formosa Petrochemical Corp. It emits about 5,457,833 t CO₂e a year from Climate TRACE. That is 13% of the CO₂e from the 21 facilities in Taiwan that have an emissions figure in IndustryAtlas. Its CO₂ per unit of capacity is 17% above the national median for this sector.
Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3144132.
Data status
Known source data
Calculated from the dataset
Not available
Source data, measured cross-checks and calculated values are kept separate. No confidence percentage is invented.
Similar facilities by modelled emissions
- CNOOC Huizhou Refinery · 5,467,956 t CO₂e/yr · China
- NIORDC Isfahan Refinery · 5,406,785 t CO₂e/yr · Iran
- Exxonmobil Baytown Refinery · 5,526,773 t CO₂e/yr · United States
- ExxonMobil Singapore Refinery · 5,634,555 t CO₂e/yr · Singapore
- Exxonmobil Baton Rouge Refinery · 5,224,996 t CO₂e/yr · United States
Same Climate TRACE subsector; closest non-placeholder modelled CO₂e values. Russia and Belarus excluded.
Operating power plants within 50 km
- Mailao · Coal · 4,200 MW · 2 km
- Kouhu · Solar · 5 MW · 25 km
- Hsinkang SK power station · Coal · 361 MW · 36 km
- Star Buck · Gas · 490 MW · 37 km
- Changgong power station · Coal · 1,600 MW · 37 km
PowerAtlas operating assets, ordered by great-circle distance from published coordinates.
In context: how this facility compares
At 540,000 BBL per day, Formosa Mailiao Refinery is around the median refinery in Taiwan (540,000 BBL per day). Subsector: oil-and-gas-refining. As refinery, it requires high process heat (typically 200–600°C) for its core industrial operations, supplied by boilers, furnaces or direct combustion. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery.
Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.
What 5,457,833 t CO₂e a year looks like
This facility's estimated annual CO₂e (Climate TRACE, modelled) in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:
Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.
Carbon cost and Scope 1 emissions
At its reported 5.5M t CO₂e/yr (Scope 1), Formosa Mailiao Refinery carries no domestic carbon price, and its products are not CBAM-covered goods, so there is no border-carbon liability. At the EU ETS reference price (€75/t) the emissions carry an indicative carbon value of €411M/yr.
Carbon price: EU CBAM €75/t · EU ETS €85/t, September 10, 2026, refreshed live via Carbon Hub. CO₂: Climate TRACE. Indicative carbon value, not the cash bill — free allocation applies; not compliance advice.
Operator
Operated by Formosa Petrochemical Corp.
Local climate
Formosa Mailiao Refinery sits in a humid subtropical (dry winter) climate zone (Köppen Cwa), at 23.8°N in the northern hemisphere.
Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
Site climate & environmental severity
This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.
In this site’s local climate, a bare 150 °C surface sheds about 1273 W/m² to ambient — roughly 0.98× the loss at a 20 °C reference. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).
Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.
How it compares & nearby sites
Nearby industrial sites
- Formosa Petrochemical Corp. , Taiwan, Mailiao · Petrochemical · 3,750,374 t CO₂
- E Top Metal Changhua plant · Steel Plant · 41,056 t CO₂
- China Steel Dragon Steel Taichung plant · Steel Plant · 8,048,952 t CO₂
- Feng Hsin Steel Taichung plant · Steel Plant · 116,394 t CO₂
- Taiwan · Chemical Plant · 58,281 t CO₂
- Tung Ho Steel Miaoli Plant · Steel Plant · 249,415 t CO₂
Location
Coordinates 23.80591, 120.20842. View on OpenStreetMap.
Frequently asked questions
What type of facility is Formosa Mailiao Refinery?
Formosa Mailiao Refinery is a refinery in Taiwan. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery.
What capacity is listed for Formosa Mailiao Refinery?
The open dataset lists 540,000 BBL per day of capacity for Formosa Mailiao Refinery.
How much CO₂ does Formosa Mailiao Refinery emit?
The page uses about 5,457,833 t CO₂e/year from the open dataset It ranks #3 among facilities in Taiwan by estimated CO₂.
Where is Formosa Mailiao Refinery located?
Formosa Mailiao Refinery is in Taiwan at approximately 23.80591, 120.20842.
Who operates Formosa Mailiao Refinery?
The operator recorded in the open dataset is Formosa Petrochemical Corp.