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North Chicago Energy Center — United States of America

Gas power plant in Illinois, United States of America. Approximate location 42.3064, -87.8519.

GasIllinoisUnited States of America

North Chicago Energy Center is a 12.4 MW gas power plant in Illinois, United States of America. It is operated by Energy Systems Group LLC. Based on reported annual generation of 36 GWh, it can supply roughly 10k homes. It ranks #5345 of 10,884 United States of America power plants by installed capacity. Commissioned in 2004, it is around 22 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).

12.4MW installed capacity
36GWh reported / yr
10,314homes powered
2004commissioned (~22 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0058328.

Data status

Known data

FacilityNorth Chicago Energy Center WRI
CountryUnited States of America · Illinois WRI
Coordinates42.3064, -87.8519 WRI
FuelGas WRI
MW installed capacity12.4 MW Wikidata P2109; installed/nameplate capacity
Verification noteQuality label backfilled from existing source-backed capacity provenance on 2026-07-05; capacity value was not changed. source-verified
OwnerEnergy Systems Group LLC WRI
Commissioned2004 WRI
GWh reported / yr36 GWh·a⁻¹ WRI

Calculated from dataset

CO₂ emissions14,440 t CO₂·a⁻¹ calculated
Capacity rank in country#5345 / 10884 calculated
Fuel-specific rank in country#1730 / 2165 calculated
Capacity vs country/fuel peers0.10× · 121.2 MW · n=2165 calculated
Homes-powered equivalent10,314 calculated from reported generation
Climate9.1°C · HDD 3,431 derived from coordinates
Environmental severityC4 · 39/100 derived from coordinates

Not available

TechnologyNot available not in dataset

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

Data provenance

Source of the capacity and fuel values:

capacity: Wikidata P2109; fuel: WRI GPPD

In context: how this plant compares

At 12.4 MW, North Chicago Energy Center is below the median gas plant in United States of America (121.2 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.

Key facts

Load factor
33%, from 36 GWh of reported generation; the median for 1622 gas plants in United States of America that report generation is 26%
Generation trend
38 GWh in 2013 and 36 GWh in 2019 (−5%)
Highest and lowest year
2013: 38 GWh; 2015: 36 GWh
Share of United States of America gas capacity
less than 0.1% of 789,950 MW across 2,165 plants in this dataset
Age among peers
1,249 of 1,973 dated gas plants in United States of America are older

Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).

Reported generation trend

2013: 38 GWh20132014: 36 GWh20142015: 36 GWh20152016: 36 GWh20162017: 36 GWh20172018: 36 GWh20182019: 36 GWh201938 GWh

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

Owner

Operated by Energy Systems Group 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 hot-summer humid continental climate (Köppen Dfa) — Northern Hemisphere, latitude 42.3°N — which shapes how much energy it can produce and how its output varies through the year.

9.1°Cannual mean temp
3,431heating degree-days (base 18°C)
218cooling degree-days (base 18°C)
179 melevation

Monthly mean temperature

J: -4 °CJF: -2 °CFM: 2 °CMA: 7 °CAM: 13 °CMJ: 18 °CJJ: 22 °CJA: 21 °CAS: 17 °CSO: 12 °CON: 5 °CND: -1 °CD22 °C

Heating degree-days here run 40% 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: 74/100 — 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

This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with thermal cycling the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
39/100environmental-severity index
26.0°Cseasonal temperature swing
24 kmdistance to coast

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 #1730 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 42.3064, -87.8519 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is North Chicago Energy Center?

North Chicago Energy Center is a 12.4 MW gas power plant in Illinois, United States of America, commissioned in 2004.

How much electricity does North Chicago Energy Center generate?

North Chicago Energy Center generates about 36 GWh of electricity per year.

Who operates North Chicago Energy Center?

North Chicago Energy Center is operated by Energy Systems Group LLC.

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