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43.4 MW Other Gas operating in Will, IL — PJM Interconnection, LLC
43.4 MW
Nameplate Capacity
3
Generators
units
Other Gases
Technology
1986
Operating Since
Coordinates
41.4167, -88.1833
County
Will, IL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ExxonMobil Oil Corp | ExxonMobil Oil | — |
| Owner(s) | ExxonMobil Oil Corp | Exxon Mobil | — |
| Status | Operating | — | — |
The ExxonMobil Oil Joliet Refinery is a 43.4 MW power plant located in Will County, Illinois. The plant, which came online in 1986, is owned and operated by ExxonMobil Oil Corporation. It utilizes other gases (OG) as its primary fuel source and consists of three generators.
In the most recent year of reported data, the ExxonMobil Oil Joliet Refinery generated 185,264 MWh of electricity, achieving a capacity factor of 48.9%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. It holds the rank of 1 out of 1 among power plants in Illinois using its primary fuel, and ranks 11 out of 21 nationally for plants using that fuel.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
34.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
19.3K MWh
Latest Month
185.3K MWh
Annual Generation
48.9%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
0.034 lb/MWh
SO₂
0.000 lb/MWh
CH₄
0.013 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
47.3%
Annual Net Gen
180 GWh
CO₂eq
0.709 lb/MWh
Subregion
RFC West
No financial data available for this plant.
This is a small open-data project — if you have sources or want more coverage here, drop a note.
Market Position
ISO/RTO Market
PJM
LMP Node
—
Pricing Hub
N ILLINOIS HUB
Node Source
OSM spatial match
Last updated 2026-03-26
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