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Dow Chemical Co., Plaquemine (LHC 2),La

Petrochemical in United States. Approximate location 30.31804, -91.23246.

PetrochemicalUnited StatesCO₂ estimate (modelled)

Dow Chemical Co., Plaquemine (LHC 2),La is a petrochemical in United States. Its listed capacity is 1,247,000 t of ethylene. Petrochemical plants crack hydrocarbons at very high temperatures to produce ethylene, propylene and other building-block chemicals — one of the most heat-intensive industrial processes. It is operated by The Dow Chemical Company. By capacity it ranks #10 among 26 petrochemical plants in United States. It emits about 1,583,070 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 369k passenger cars.

1,247,000t of ethylene
1,583,070t CO₂e / yr (Climate TRACE)
#80CO₂ rank in United States
1.27t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-18648312.

Data status

Known source data

FacilityDow Chemical Co., Plaquemine (LHC 2),La Climate TRACE
CountryUnited States Climate TRACE
Coordinates30.31804, -91.23246 Climate TRACE
Sector / subsectorpetrochemical-steam-cracking Climate TRACE
Reported capacity1,247,000 t of ethylene Climate TRACE
Owner / operatorThe Dow Chemical Company Climate TRACE
EPA parent companyDOW INC US EPA GHGRP
EPA NAICS325199 US EPA GHGRP
Modelled CO₂e1,583,070 t/yr Climate TRACE

Calculated from the dataset

United States rank#80 of 1910 · top 4.2% calculated
Global petrochemical-steam-cracking rank#68 of 218 · top 31.2% calculated
Climate contextderived from coordinates calculated

Not available

Fuel typeNot available not in dataset
Thermal capacity (MW)Not available not in dataset

Source data, measured cross-checks and calculated values are kept separate. No confidence percentage is invented.

Similar facilities by modelled emissions

Same Climate TRACE subsector; closest non-placeholder modelled CO₂e values. Russia and Belarus excluded.

Operating power plants within 50 km

PowerAtlas operating assets, ordered by great-circle distance from published coordinates.

In context: how this facility compares

At 1,247,000 t of ethylene, Dow Chemical Co., Plaquemine (LHC 2),La is around the median petrochemical in United States (1,134,000 t of ethylene). Subsector: petrochemical-steam-cracking. As petrochemical, it requires high process heat (typically 300–800°C) for its core industrial operations — heat that must be supplied by boilers, furnaces or direct combustion, and losses through uninsulated vessels and piping represent wasted fuel. Removable modular insulation can cut those losses by 80–96%, surface-cooling equipment to ≤45°C, with payback often under 2 years. Petrochemical plants crack hydrocarbons at very high temperatures to produce ethylene, propylene and other building-block chemicals — one of the most heat-intensive industrial processes.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

What 1,583,070 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:

369kcars driven for a year
206khomes' annual energy use
26 milliontree seedlings grown 10 years

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Carbon cost, Scope 1 & decarbonization potential

At its reported 1.6M t CO₂e/yr (Scope 1), Dow Chemical Co., Plaquemine (LHC 2),La carries no domestic carbon price; petrochemicals are not a CBAM-covered good, so there is no border-carbon liability. At the EU ETS reference price (€75/t) the emissions carry an indicative carbon value of €119M/yr. The fastest decarbonization lever is energy efficiency: eliminating heat loss on hot equipment (removable insulation, steam & waste-heat recovery) typically cuts 2–5% of fuel-related CO₂ — here ≈32k t–79k t/yr, worth €2.4M€6.0M, with payback up to 2 years. No domestic carbon price — but cement, steel, aluminium, fertilizer and hydrogen exported to the EU face CBAM at €75/t (rising to 100% by 2034).

1.6M t CO₂e / yrScope 1 emissions
€119M/yrindicative carbon value (not a CBAM liability)
32k t–79k t/yr ≈ €2.4M€6.0MDecarbonization potential

Carbon price: EU CBAM €75/t · EU ETS €79/t, July 2, 2026, refreshed live via Carbon Hub. CO₂: Climate TRACE. Efficiency range: US DOE / ASTM C680 (method). Indicative carbon value, not the cash bill — free allocation applies; not compliance advice. Estimate the saving for this site →

Capacity vs largest petrochemical plants in United States

ExxonMobil Chemical Co., Baytown,Tex.: 3,500,000 t of ethylene3.5MExxonMobil…Formosa Plastics Corp. USA, Point Comfort,Tex: 2,883,000 t of ethylene2.9MFormosa Pl…Chevron Phillips Chemical, Cedar Bayou,Tex: 2,600,000 t of ethylene2.6MChevron Ph…Dow Chemical Co., Freeport (LHC 7),Tex: 2,090,000 t of ethylene2.1MDow Chemic…Chevron Phillips Chemical, Sweeny,Tex: 1,950,000 t of ethylene1.9MChevron Ph…LyondellBasell Industries, Channelview,Tex.: 1,860,000 t of ethylene1.9MLyondellBa…INEOS Olefins and Polymers, Chocolate Bayou,Tex: 1,860,000 t of ethylene1.9MINEOS Olef…Westlake Petrochemicals Corp., Sulphur #1,La: 1,520,000 t of ethylene1.5MWestlake P…

Listed capacity (t of ethylene), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by The Dow Chemical Company. All facilities by this operator →

Local climate

Dow Chemical Co., Plaquemine (LHC 2),La sits in a humid subtropical climate zone (Köppen Cfa), at 30.3°N in the northern hemisphere.

~18°Ctypical annual mean
~27°Ctypical warm-season
Humid subtropical: hot summers and mild winters

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

Site climate & environmental severity

The local climate sets how fast unprotected steel, protective coatings and the insulation on hot process equipment degrade at this site. It sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
43/100environmental-severity index
17.3°Cseasonal temperature swing
99 kmdistance to coast
HighCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1304 W/m² to ambient — roughly 1.00× the loss at a 20 °C reference; removable insulation recovers about 1239 W/m² of that. 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).

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

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

The #10 largest of 26 petrochemical plants in United States by listed capacity (Climate TRACE).

Nearby industrial sites

Location

Coordinates 30.31804, -91.23246. View on OpenStreetMap.

Heat loss & insulation profile

For a petrochemical, the main modular-insulation targets are steam crackers, quench towers, fractionators, heat exchangers, steam lines, valves & flanges. Typical hot-surface ranges used for screening: 150–550 °C.

Safety & the no-regret first step

Start with a thermal survey of valves, flanges, doors and bends. Removable modular insulation keeps maintenance access open while lowering exposed-surface temperature and wasted heat.

United States: funding & obligation

Funding. Investment tax credit up to 30% of qualified investment incl. industrial decarbonization; open to small/medium/large manufacturers. official source · verified 2026
Status: ~$6B of $10B allocated Jan-2025; remaining capacity + IRA status under political review — verify before 'apply now'.

Obligation. None at federal level (voluntary). Some states have their own programs. (applies as a rule above the stated threshold — we do not hold this site's metered energy use). · verified 2026

Programme terms verified 2026-06-18; confirm the current open phase before applying. Eligibility depends on a site's energy use / headcount, which we do not hold — not a per-facility eligibility determination.

Frequently asked questions

What type of facility is Dow Chemical Co., Plaquemine (LHC 2),La?

Dow Chemical Co., Plaquemine (LHC 2),La is a petrochemical in United States. Petrochemical plants crack hydrocarbons at very high temperatures to produce ethylene, propylene and other building-block chemicals — one of the most heat-intensive industrial processes.

What capacity is listed for Dow Chemical Co., Plaquemine (LHC 2),La?

The open dataset lists 1,247,000 t of ethylene of capacity for Dow Chemical Co., Plaquemine (LHC 2),La.

How much CO₂ does Dow Chemical Co., Plaquemine (LHC 2),La emit?

The page uses about 1,583,070 t CO₂e/year from the open dataset It ranks #80 among facilities in United States by estimated CO₂.

Where is Dow Chemical Co., Plaquemine (LHC 2),La located?

Dow Chemical Co., Plaquemine (LHC 2),La is in United States at approximately 30.31804, -91.23246.

Who operates Dow Chemical Co., Plaquemine (LHC 2),La?

The operator recorded in the open dataset is The Dow Chemical Company.

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