Elwood Energy LLC — Plant Summary
- EIA Plant ID
- 55199
- Capacity
- 1344 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Will, IL
- Operating Since
- 1999
- Generators
- 7
- Operator
- Elwood Energy LLC
- Parent Company
- —
- Annual Generation
- 191,685 MWh
- Capacity Factor
- 1.6%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Elwood Energy LLC
OperatingNatural Gas
Ranked #1 of 70 Natural Gas plants in IL#75 of 2009 nationally
1344 MW Natural Gas operating in Will, IL — PJM Interconnection, LLC
EIAWD
1,344 MW
Nameplate Capacity
7
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1999
Operating Since
Location
Coordinates
41.4388, -88.1236
County
Will, IL
Nearby Plants
- Jackson Generation, LLCNatural Gas1288.6 MW · 1.1 km
- ExxonMobil Oil Joliet RefineryOther Gas43.4 MW · 5.6 km
- Montague Energy StorageBESS20 MW · 5.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Elwood Energy LLC | — | — |
| Owner(s) | J Power USA Development Co Ltd | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
6.4K MWh
Latest Month
191.7K MWh
Annual Generation
1.6%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
32417647
Pricing Hub
N ILLINOIS HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
General
Hull Street Energy to Acquire Two Peaking Plants in PJM, Expanding Milepost Power Portfolio
PRNewswire/ -- Hull Street Energy, LLC ("HSE") has agreed to acquire two power plants from Rockland Capital, LP ("Rockland"): Lee County...
PR Newswire·2 days ago
Deals·m and a
Dairyland Power Cooperative announces acquisition of assets in Illinois
March 6, 2026. LA CROSSE, Wis.— To support the Cooperative's focus on sustainability and reliability for its members while transitioning to...
Dairyland Power Cooperative (buyer)
VernonReporter·1 weeks ago
General
Hull Street Energy to acquire certain assets from J-Power USA subsidiary Elmwood Energy
Hull Street Energy, LLC has agreed to acquire certain assets from Elwood Energy LLC, a subsidiary of J-Power USA, as an add-on for Milepost...
pehub.com·9 months ago
Deals·m and a
Hull Street Energy Expands Milepost Power Fleet with Illinois Power Assets Acquisition
PRNewswire/ -- Hull Street Energy, LLC ("HSE") has acquired certain generating assets located near Joliet, Illinois from Elwood Energy LLC,...
Hull Street Energy, LLC (buyer)Elwood Energy LLC (seller)
PR Newswire·9 months ago
Last updated 2026-03-26
View all 10 articles