Hamilton Liberty

Gas power plant in Pennsylvania, United States of America. Approximate location 41.7675, -76.39.

GasPennsylvaniaUnited States of AmericaCO₂ modelled

Hamilton Liberty is a 870 MW gas power station in Pennsylvania, United States of America. It is operated by Hamilton Liberty O&M LLC. Based on its capacity (estimated), it can supply roughly 980k homes (estimated). It ranks #761 of 10,938 United States of America power plants by installed capacity. Its modelled annual emissions are 1,913,400 t CO₂/yr (Climate TRACE), equivalent to about 446k cars driven for a year. 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).

870Source-backed capacity
979,868homes powered (est.)
1,913,400t CO₂ / yr (Climate TRACE)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id CT-530.

Data status

Known data

FacilityHamilton Liberty Climate TRACE
CountryUnited States of America · Pennsylvania Climate TRACE
Coordinates41.7675, -76.39 Climate TRACE
FuelGas Climate TRACE
MW installed capacity870 MW Climate TRACE source record; scope not independently normalised
OwnerHamilton Liberty O&M LLC Climate TRACE

Modelled source data

CO₂ emissions1,913,400 t CO₂/yr modelled · Climate TRACE

Calculated from dataset

Capacity rank in country#761 of 10938 calculated
Fuel-specific rank in country#285 of 2165 calculated
Capacity vs country/fuel peers7.18× · 121 MW median · 2165 peers calculated
Homes-powered equivalent979,868 calculated
Climate8.3°C · HDD 3,661 derived from coordinates
Environmental severityC2 · 30/100 derived from coordinates

Not available

CommissionedNot available not in dataset
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: GEM tracker 2026 (location L100000402191); fuel: Climate TRACE source-record fuel

In context: how this plant compares

At 870 MW, Hamilton Liberty is well above 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.

~1,913,400 t CO₂/yr (modelled) — in everyday terms

This facility's annual emissions are roughly equivalent to:

446kpassenger cars driven for a year
250khomes' yearly energy use
32 milliontree seedlings grown 10 years to absorb it

Equivalencies via US EPA Greenhouse Gas Equivalencies; modelled emissions from Climate TRACE.

Capacity vs largest gas plants in United States of America

Fermi America Project Matador power station: 6,000 MW6kFermi Amer…Chevron AI Data Center Project: 5,000 MW5kChevron AI…GW Ranch Energy Center: 5,000 MW5kGW Ranch E…West County Energy Center: 4,263 MW4kWest Count…Pittsylvania power station: 3,800 MW4kPittsylvan…Bruce Mansfield power station: 3,641 MW4kBruce Mans…Crystal River: 3,449 MW3kCrystal Ri…Schahfer Generating Station: 2,958 MW3kSchahfer G…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Hamilton Liberty O&M 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 41.8°N — which shapes how much energy it can produce and how its output varies through the year.

8.3°Cannual mean temp
3,661heating degree-days (base 18°C)
147cooling degree-days (base 18°C)
351 melevation

Monthly mean temperature

J: -5 °CJF: -4 °CFM: 1 °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 49% 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: 79/100 — 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
25.7°Cseasonal temperature swing
321 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 #285 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 41.7675, -76.39 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Hamilton Liberty?

Hamilton Liberty is a 870 MW source-record gas power plant in Pennsylvania, United States of America.

How many homes can Hamilton Liberty power?

Its output is enough to supply roughly 979,868 homes (estimated).

Who operates Hamilton Liberty?

Hamilton Liberty is operated by Hamilton Liberty O&M LLC.

How much CO₂ does Hamilton Liberty emit?

Hamilton Liberty has modelled emissions of about 1,913,400 tonnes of CO₂ per year (Climate TRACE).

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