Exelon Solar Chicago
Solar power plant in Cook County, Illinois. 9 MW of nameplate capacity across 1 generator, operated by Luminace Solar Chicago, LLC.
Also known as EIA plant 57191
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 9 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2009First generator online
- Operator
- Luminace Solar Chicago, LLCEIA operator ID 64696
- Grid
- PJMBalancing authority PJM
- Price nodes
- 1 PJM nodeResource nodes with prices
- Location
- Cook County, IL41.6758, −87.6514
- EIA plant ID
- 57191EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Exelon Solar Chicago produces
Free · EIA-923Net generation, 2025
12.9 GWh
12,865 MWh, final
Capacity factor, 2025
16.3%
2024: 14.8%
January to July 2026
4.68 GWh
Provisional
Range, 2015 to 2025
11.7–14.3
GWh a year. Low 2024, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | 16 | Not reported | 12 of 12 |
| 2010 | 14,145 | 17.9% | 12 of 12 |
| 2011 | 14,062 | 17.8% | 12 of 12 |
| 2012 | 15,080 | 19.1% | 12 of 12 |
| 2013 | 14,293 | 18.1% | 12 of 12 |
| 2014 | 14,527 | 18.4% | 12 of 12 |
| 2015 | 14,126 | 17.9% | 12 of 12 |
| 2016 | 14,102 | 17.8% | 12 of 12 |
| 2017 | 14,328 | 18.2% | 12 of 12 |
| 2018 | 13,701 | 17.4% | 12 of 12 |
| 2019 | 14,091 | 17.9% | 12 of 12 |
| 2020 | 13,826 | 17.5% | 12 of 12 |
| 2021 | 13,176 | 16.7% | 12 of 12 |
| 2022 | 13,517 | 17.1% | 12 of 12 |
| 2023 | 12,586 | 16.0% | 12 of 12 |
| 2024 | 11,674 | 14.8% | 12 of 12 |
| 2025 | 12,865 | 16.3% | 12 of 12 |
| 2026 (provisional, partial year) | 4,679 | 10.2% | 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| ECS1 | Solar Photovoltaic | 9.0 | December 2009 |
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 Luminace Solar Chicago, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Exelon Solar Chicago
How much power does Exelon Solar Chicago produce?
Exelon Solar Chicago reported 12,865 MWh (12.9 GWh) of net generation in 2025, a 16.3% capacity factor on 9 MW of nameplate capacity. From January to July 2026 it reported 4.68 GWh, which is provisional.
Where is Exelon Solar Chicago?
Exelon Solar Chicago is in Cook County, Illinois, at 41.6758, −87.6514. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Exelon Solar Chicago?
EIA-860M for August 2026 lists Luminace Solar Chicago, LLC as the operator (EIA operator ID 64696). The operator is not always the owner.
When did Exelon Solar Chicago start operating?
Its first generator began operating in December 2009, according to EIA-860M.
Does InfraMap have power prices for Exelon Solar Chicago?
Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to Exelon Solar Chicago, 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)
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page