Aurora
Natural gas power plant in DuPage County, Illinois. 1,086.2 MW of nameplate capacity across 10 generators, operated by Aurora Generation LLC.
Also known as Aurora Generating Station · EIA plant 55279
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Key facts
- Capacity
- 1,086.2 MWNameplate
- Generators
- 10 operatingEIA-860M, August 2026
- Operating since
- May 2001First generator online
- Operator
- Aurora Generation LLCEIA operator ID 60503
- Grid
- PJMBalancing authority PJM
- Price nodes
- 10 PJM nodesResource nodes with prices
- Location
- DuPage County, IL41.8151, −88.2265
- EIA plant ID
- 55279EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Aurora produces
Free · EIA-923Net generation, 2025
499 GWh
498,735 MWh, final
Capacity factor, 2025
5.2%
2024: 3.7%
January to July 2026
205 GWh
Provisional
Range, 2015 to 2025
43.8–774.2
GWh a year. Low 2015, high 2021
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 162,809 | Not reported | 9 of 12 |
| 2002 | 218,563 | Not reported | 12 of 12 |
| 2003 | 81,123 | Not reported | 12 of 12 |
| 2004 | 53,134 | Not reported | 12 of 12 |
| 2005 | 307,708 | Not reported | 12 of 12 |
| 2006 | 88,984 | Not reported | 12 of 12 |
| 2007 | 186,401 | Not reported | 12 of 12 |
| 2008 | 64,898 | Not reported | 12 of 12 |
| 2009 | 15,074 | Not reported | 12 of 12 |
| 2010 | 31,799 | 0.3% | 12 of 12 |
| 2011 | 53,041 | 0.5% | 12 of 12 |
| 2012 | 74,785 | 0.7% | 12 of 12 |
| 2013 | 51,173 | 0.5% | 12 of 12 |
| 2014 | 49,707 | 0.4% | 12 of 12 |
| 2015 | 43,751 | Not reported | 12 of 12 |
| 2016 | 382,098 | 3.4% | 12 of 12 |
| 2017 | 382,830 | 3.4% | 12 of 12 |
| 2018 | 677,827 | 6.1% | 12 of 12 |
| 2019 | 650,745 | Not reported | 12 of 12 |
| 2020 | 768,846 | 8.1% | 12 of 12 |
| 2021 | 774,176 | 8.1% | 12 of 12 |
| 2022 | 339,135 | 3.6% | 12 of 12 |
| 2023 | 415,315 | 4.4% | 12 of 12 |
| 2024 | 354,861 | 3.7% | 12 of 12 |
| 2025 | 498,735 | 5.2% | 12 of 12 |
| 2026 (provisional, partial year) | 204,843 | 3.7% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDCO₂, 2025
300,917
US short tons. 2024: 207,070
SO₂, 2025
2
US short tons
NOx, 2025
148
US short tons
CO₂ per MWh, calculated
0.60 t
About 1,207 lb per MWh
10 of 10 EPA units reported CO₂ in 2025 (AGS01, AGS02, AGS03, AGS04, AGS05, AGS06, AGS07, AGS08, and others), matched to EIA plant 55279 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combustion Turbine | 180.8 | June 2002 |
| CTG2 | Natural Gas Fired Combustion Turbine | 180.8 | June 2001 |
| CTG3 | Natural Gas Fired Combustion Turbine | 180.8 | June 2001 |
| CTG4 | Natural Gas Fired Combustion Turbine | 180.8 | May 2001 |
| CTG5 | Natural Gas Fired Combustion Turbine | 60.5 | May 2001 |
| CTG6 | Natural Gas Fired Combustion Turbine | 60.5 | May 2001 |
| CTG7 | Natural Gas Fired Combustion Turbine | 60.5 | June 2001 |
| CTG8 | Natural Gas Fired Combustion Turbine | 60.5 | May 2001 |
| CTG9 | Natural Gas Fired Combustion Turbine | 60.5 | June 2001 |
| CTG10 | Natural Gas Fired Combustion Turbine | 60.5 | June 2001 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Aurora Generation LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Aurora
Questions about Aurora
How much power does Aurora produce?
Aurora reported 498,735 MWh (499 GWh) of net generation in 2025, a 5.2% capacity factor on 1,086.2 MW of nameplate capacity. From January to July 2026 it reported 205 GWh, which is provisional.
Where is Aurora?
Aurora is in DuPage County, Illinois, at 41.8151, −88.2265. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Aurora?
EIA-860M for August 2026 lists Aurora Generation LLC as the operator (EIA operator ID 60503). The operator is not always the owner.
When did Aurora start operating?
Its first generator began operating in May 2001, according to EIA-860M.
Does InfraMap have power prices for Aurora?
Yes. InfraMap has PJM day-ahead and real-time prices at 10 price nodes linked to Aurora, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page