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1344 MW Natural Gas operating in Will, IL — PJM Interconnection, LLC
1,344 MW
Nameplate Capacity
7
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1999
Operating Since
Coordinates
41.4388, -88.1236
County
Will, IL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Elwood Energy LLC | — | — |
| Owner(s) | J Power USA Development Co Ltd | — | — |
| Status | Operating | — | — |
Elwood Energy LLC is a 1,344 MW natural gas-fired power plant located in Will County, Illinois. The plant began operating in 1999 and consists of seven generators utilizing natural gas-fired combustion turbine technology. Elwood Energy LLC owns and operates the facility, which is the largest of 32 power plants in Illinois and ranks 80th out of 945 plants nationally by capacity.
The plant operates within the PJM Interconnection, LLC balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. In the latest year of reported generation, Elwood Energy LLC produced 191,685 MWh of electricity, achieving a capacity factor of 1.6%. Recent news coverage of the plant has focused on deal activity.
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
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
6.4K MWh
Latest Month
191.7K MWh
Annual Generation
1.6%
Capacity Factor
CO₂ Intensity
1309 lb/MWh
NOx
0.365 lb/MWh
SO₂
0.007 lb/MWh
CH₄
0.025 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
6.2%
Annual Net Gen
946 GWh
CO₂eq
1311 lb/MWh
Subregion
RFC West
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.3B
Market Position
ISO/RTO Market
PJM
LMP Node
32417647
Pricing Hub
N ILLINOIS HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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