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Gramercy Holdings LLC

Gas power plant in Louisiana, United States of America. Approximate location 30.054, -90.6693.

GasLouisianaUnited States of America

Gramercy Holdings LLC is a 85 MW gas power plant in Louisiana, United States of America. It is operated by Gramercy Holdings LLC. Based on reported annual generation of 284 GWh, it can supply roughly 81k homes. It ranks #3027 of 10,938 United States of America power plants by installed capacity. Commissioned in 1965, it is around 61 years old — an older, legacy facility. In context, gas supplies about 40.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

85Source-backed capacity
284GWh reported / yr
81,114homes powered
1965commissioned (~61 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050846.

Data status

Known data

FacilityGramercy Holdings LLC WRI
CountryUnited States of America · Louisiana WRI
Coordinates30.054, -90.6693 WRI
FuelGas WRI
MW installed capacity85 MW WRI source record; scope not independently normalised
OwnerGramercy Holdings LLC WRI
Commissioned1965 WRI
GWh reported / yr284 GWh/yr WRI

Calculated from dataset

CO₂ emissions113,560 t CO₂/yr calculated
Capacity rank in country#3027 of 10938 calculated
Fuel-specific rank in country#1196 of 2165 calculated
Capacity vs country/fuel peers0.70× · 121 MW median · 2165 peers calculated
Homes-powered equivalent81,114 calculated from reported generation
Climate20.0°C · HDD 628 derived from coordinates
Environmental severityC4 · 43/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot 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 85 MW, Gramercy Holdings LLC is below the median gas plant in United States of America (121 MW). Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.

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

Reported generation trend

2013: 264 GWh20132014: 242 GWh20142015: 238 GWh20152016: 229 GWh20162017: 237 GWh20172018: 255 GWh20182019: 284 GWh2019284 GWh

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

Owner

Operated by Gramercy Holdings LLC.

Local climate & thermal context

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 30.1°N — which shapes how much energy it can produce and how its output varies through the year.

20.0°Cannual mean temp
628heating degree-days (base 18°C)
1,365cooling degree-days (base 18°C)
4 melevation

Monthly mean temperature

J: 11 °CJF: 13 °CFM: 16 °CMA: 20 °CAM: 24 °CMJ: 26 °CJJ: 28 °CJA: 27 °CAS: 26 °CSO: 21 °CON: 16 °CND: 13 °CD28 °C

Heating degree-days here run 74% 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.

A gas turbine here also runs ~4% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).

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 a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
43/100environmental-severity index
16.3°Cseasonal temperature swing
83 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 #1196 largest gas power plant of 2165 in United States of America by capacity.

United States of America has 2165 gas power plants in this dataset, together about 789,950 MW of capacity.

Nearby power plants

Location

Coordinates 30.054, -90.6693 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Gramercy Holdings LLC?

Gramercy Holdings LLC is a 85 MW source-record gas power plant in Louisiana, United States of America, commissioned in 1965.

How much electricity does Gramercy Holdings LLC generate?

Gramercy Holdings LLC generates about 284 GWh of electricity per year.

How many homes can Gramercy Holdings LLC power?

Its output is enough to supply roughly 81,114 homes.

Who operates Gramercy Holdings LLC?

Gramercy Holdings LLC is operated by Gramercy Holdings LLC.

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