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Neptune Gas Processing Plant

Other power plant in Louisiana, United States of America. Approximate location 29.7336, -91.4431.

OtherLouisianaUnited States of America

Neptune Gas Processing Plant is a 4 MW other power plant in Louisiana, United States of America. It is operated by Enterprise Products Optg LP. Based on reported annual generation of 14 GWh, it can supply roughly 4.0k homes. It ranks #7401 of 10,938 United States of America power plants by installed capacity. Commissioned in 2004, it is around 22 years old — relatively modern. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

4Source-backed capacity
14GWh reported / yr
4,028homes powered
2004commissioned (~22 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0056139.

Data status

Known data

FacilityNeptune Gas Processing Plant WRI
CountryUnited States of America · Louisiana WRI
Coordinates29.7336, -91.4431 WRI
FuelOther WRI
MW installed capacity4 MW WRI source record; scope not independently normalised
OwnerEnterprise Products Optg LP WRI
Commissioned2004 WRI
GWh reported / yr14 GWh/yr WRI

Calculated from dataset

Capacity rank in country#7401 of 10938 calculated
Fuel-specific rank in country#19 of 19 calculated
Capacity vs country/fuel peers0.20× · 22 MW median · 19 peers calculated
Homes-powered equivalent4,028 calculated from reported generation
Climate20.1°C · HDD 600 derived from coordinates
Environmental severityC5 · 49/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 4 MW, Neptune Gas Processing Plant is below the median other plant in United States of America (22 MW). This facility converts its energy source into electricity for the grid; its capacity, fuel type and location determine its role in the national power mix.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2013: 16 GWh20132014: 0 GWh20142015: 0 GWh20152016: 0 GWh20162017: 0 GWh20172018: 0 GWh20182019: 14 GWh201916 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Enterprise Products Optg LP.

Local climate & thermal context

This other plant generates electricity for the grid. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 29.7°N — which shapes how much energy it can produce and how its output varies through the year.

20.1°Cannual mean temp
600heating degree-days (base 18°C)
1,370cooling degree-days (base 18°C)
3 melevation

Monthly mean temperature

J: 11 °CJF: 13 °CFM: 16 °CMA: 20 °CAM: 24 °CMJ: 26 °CJJ: 27 °CJA: 27 °CAS: 25 °CSO: 21 °CON: 16 °CND: 13 °CD27 °C

Heating degree-days here run 76% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 22/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
49/100environmental-severity index
16.2°Cseasonal temperature swing
29 kmdistance to coast

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 plants

The #19 largest other power plant of 19 in United States of America by capacity.

United States of America has 19 other power plants in this dataset, together about 681 MW of capacity.

Nearby power plants

Location

Coordinates 29.7336, -91.4431 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Neptune Gas Processing Plant?

Neptune Gas Processing Plant is a 4 MW source-record other power plant in Louisiana, United States of America, commissioned in 2004.

How much electricity does Neptune Gas Processing Plant generate?

Neptune Gas Processing Plant generates about 14 GWh of electricity per year.

How many homes can Neptune Gas Processing Plant power?

Its output is enough to supply roughly 4,028 homes.

Who operates Neptune Gas Processing Plant?

Neptune Gas Processing Plant is operated by Enterprise Products Optg LP.

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