Winnetka — Plant Summary
- EIA Plant ID
- 972
- Capacity
- 33.4 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Steam Turbine, Petroleum Liquids
- Status
- Operating
- Location
- Cook, IL
- Operating Since
- 1948
- Generators
- 5
- Operator
- Village of Winnetka - (IL)
- Parent Company
- —
- Annual Generation
- 2,668.01 MWh
- Capacity Factor
- 0.9%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Winnetka
OperatingDistillate OilNatural GasHybrid
Ranked #42 of 70 Natural Gas plants in IL#1234 of 2009 nationally
33.4 MW Natural Gas Steam Turbine (28 MW) + Petroleum Liquids (5 MW) operating in Cook, IL — PJM Interconnection, LLC
EIAWD
33.4 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Natural Gas Steam Turbine + Petroleum Liquids
1948
Operating Since
Location
Coordinates
42.1155, -87.7312
County
Cook, IL
Nearby Plants
- Lake Gas RecoveryLandfill Gas6 MW · 6.9 km
- Evanston Township High SchoolNatural Gas2.4 MW · 8.4 km
- Northeastern Illinois University CogenNatural Gas3.2 MW · 15.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Village of Winnetka - (IL) | — | — |
| Owner(s) | Village of Winnetka - (IL) | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Winnetka power plant, located in Cook County, Illinois, has a total capacity of 33.4 MW across five generators. The plant began operating in 1948 and is owned and operated by the Village of Winnetka. The primary fuel source is natural gas, utilizing natural gas steam turbine technology, with petroleum liquids also listed as a fuel. The plant is considered a hybrid facility.
In the most recent year of reported data, the Winnetka plant generated 2,668 MWh, resulting in a capacity factor of 0.9%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. It is ranked as the 40th largest power plant in Illinois out of 67, and 1219th nationally out of 1963.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
12.5 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
Generation
140 MWh
Latest Month
2.7K MWh
Annual Generation
0.9%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Happ Substation · 138 kV
Substation Distance
0.9 km
Operator
Commonwealth Edison
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
WINNETKA
Pricing Hub
N ILLINOIS HUB
Location Type
AGGREGATE
Node Source
Curated node match
News & Articles (10)Beta
Industry·corporate
‘This is a hard issue’: Winnetka trustees give final approval to controversial IMEA extension
Winnetka's Village Council, during its June 17 meeting, approved a new power sales contract and capacity purchase agreement with the Illinois Municipal...
Winnetka (buyer)Illinois Municipal (seller)
therecordnorthshore.org·9 months ago
Industry·corporate
Winnetka signs contentious 20-year extension with coal-dependent electric provider
Critics point to Prairie State as a big polluter, but Trump cuts raise questions about stability of renewable energy.
Prairie State (operator)Trump (executive)
Chicago Tribune·9 months ago
Industry·corporate
2025 Chicagoland Summer Beach Guide: Your Go-To Map to Lake Michigan’s Best Beaches
Explore Lake Michigan's sandy shorelines from Illinois Beach State Park to Indiana Dunes State Park.
Patch·10 months ago
Industry·corporate
Tour a Midcentury-Modern Gem Preserved in Winnetka, Illinois
Tour a midcentury-modern gem preserved in Winnetka, Illinois. Jennie Bishop carefully updated a home designed by an apprentice of Frank Lloyd Wright.
Winnetka (other)Jennie Bishop (other)
Architectural Digest·10 months ago
Last updated 2026-03-14
View all 10 articles