Spring House

Gas power plant in Pennsylvania, United States of America. Approximate location 40.1839, -75.2342.

GasPennsylvaniaUnited States of America

Spring House is a 4 MW gas power plant in Pennsylvania, United States of America. It is operated by Janssen Pharmaceutical Co. Based on reported annual generation of 20 GWh, it can supply roughly 5.7k homes. It ranks #7752 of 10,938 United States of America power plants by installed capacity. Commissioned in 2013, it is around 13 years old — relatively modern. 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).

4Source-backed capacity
20GWh reported / yr
5,742homes powered
2013commissioned (~13 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0059056.

Data status

Known data

FacilitySpring House WRI
CountryUnited States of America · Pennsylvania WRI
Coordinates40.1839, -75.2342 WRI
FuelGas WRI
MW installed capacity4 MW WRI source record; scope not independently normalised
OwnerJanssen Pharmaceutical Co WRI
Commissioned2013 WRI
GWh reported / yr20 GWh/yr WRI

Calculated from dataset

CO₂ emissions8,040 t CO₂/yr calculated
Capacity rank in country#7752 of 10938 calculated
Fuel-specific rank in country#1987 of 2165 calculated
Capacity vs country/fuel peers0.03× · 121 MW median · 2165 peers calculated
Homes-powered equivalent5,742 calculated from reported generation
Climate12.2°C · HDD 2,623 derived from coordinates
Environmental severityC3 · 38/100 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 4 MW, Spring House 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: 18 GWh20132014: 24 GWh20142015: 24 GWh20152016: 23 GWh20162017: 22 GWh20172018: 17 GWh20182019: 20 GWh201924 GWh

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

Owner

Operated by Janssen Pharmaceutical Co.

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 40.2°N — which shapes how much energy it can produce and how its output varies through the year.

12.2°Cannual mean temp
2,623heating degree-days (base 18°C)
531cooling degree-days (base 18°C)
59 melevation

Monthly mean temperature

J: 0 °CJF: 1 °CFM: 6 °CMA: 11 °CAM: 17 °CMJ: 22 °CJJ: 24 °CJA: 24 °CAS: 20 °CSO: 13 °CON: 8 °CND: 2 °CD24 °C

Heating degree-days here run 7% 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: 53/100 — this site sits in the mid 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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
38/100environmental-severity index
24.9°Cseasonal temperature swing
91 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 #1987 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 40.1839, -75.2342 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Spring House?

Spring House is a 4 MW source-record gas power plant in Pennsylvania, United States of America, commissioned in 2013.

How much electricity does Spring House generate?

Spring House generates about 20 GWh of electricity per year.

How many homes can Spring House power?

Its output is enough to supply roughly 5,742 homes.

Who operates Spring House?

Spring House is operated by Janssen Pharmaceutical Co.

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