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Sithe Independence Station

Gas power plant in New York, United States of America. Approximate location 43.495, -76.4511.

GasNew YorkUnited States of AmericaCCGT · HRSG

Sithe Independence Station is a 1,086 MW gas power station in New York, United States of America. It is operated by Sithe/Independence LLC. Based on reported annual generation of 4,780 GWh, it can supply roughly 1.4 million homes. It ranks #605 of 10,938 United States of America power plants by installed capacity. Commissioned in 1994, it is around 32 years old — long-established. 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).

1,086Source-backed capacity
2HRSG unit(s)
4,780GWh reported / yr
1,365,742homes powered
1994commissioned (~32 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0054547.

Data status

Known data

FacilitySithe Independence Station WRI
CountryUnited States of America · New York WRI
Coordinates43.495, -76.4511 WRI
FuelGas WRI
MW installed capacity1,086 MW WRI source record; scope not independently normalised
OwnerSithe/Independence LLC WRI
Commissioned1994 WRI
TechnologyCCGT · HRSG WRI
GWh reported / yr4,780 GWh/yr WRI

Calculated from dataset

CO₂ emissions1,912,040 t CO₂/yr calculated
Capacity rank in country#605 of 10938 calculated
Fuel-specific rank in country#190 of 2165 calculated
Capacity vs country/fuel peers8.96× · 121 MW median · 2165 peers calculated
Homes-powered equivalent1,365,742 calculated from reported generation
Climate8.1°C · HDD 3,755 derived from coordinates
Environmental severityC2 · 30/100 derived from coordinates

Not available

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: GEM tracker 2026 (location L100000401669); fuel: WRI source-record fuel

In context: how this plant compares

At 1,086 MW, Sithe Independence Station is well above the median gas plant in United States of America (121 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). 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: 5,216 GWh20132014: 5,996 GWh20142015: 6,452 GWh20152016: 4,748 GWh20162017: 4,294 GWh20172018: 5,275 GWh20182019: 4,780 GWh20196k GWh

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

Owner

Operated by Sithe/Independence 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 warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 43.5°N — which shapes how much energy it can produce and how its output varies through the year.

8.1°Cannual mean temp
3,755heating degree-days (base 18°C)
167cooling degree-days (base 18°C)
124 melevation

Monthly mean temperature

J: -6 °CJF: -5 °CFM: 0 °CMA: 7 °CAM: 13 °CMJ: 18 °CJJ: 21 °CJA: 20 °CAS: 16 °CSO: 10 °CON: 4 °CND: -2 °CD21 °C

Heating degree-days here run 53% above 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: 81/100 — this site sits in the top third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~0% 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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
30/100environmental-severity index
26.7°Cseasonal temperature swing
387 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 #190 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 43.495, -76.4511 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Sithe Independence Station?

Sithe Independence Station is a 1,086 MW source-record gas power plant in New York, United States of America, commissioned in 1994.

How much electricity does Sithe Independence Station generate?

Sithe Independence Station generates about 4,780 GWh of electricity per year.

How many homes can Sithe Independence Station power?

Its output is enough to supply roughly 1,365,742 homes.

Who operates Sithe Independence Station?

Sithe Independence Station is operated by Sithe/Independence LLC.

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