Nalco

1601 W Diehl Rd, Naperville, IL 60563

Plant Summary Information

Nalco is ranked #36 out of 64 natural gas power plants in Illinois in terms of total annual net electricity generation.

Nalco is comprised of 2 generators and generated 4.7 GWh during the 3-month period between September 2024 to December 2024.

Plant Name	Nalco
Utility Name	Nalco Co
Location	DuPage County, IL
Initial Operation Date	November 1985
Last Update	Dec 2024
Annual Generation	20.3 GWh
Annual Consumption	349.3 k MMBtu
Ranked #5,365 out of 13,094 Power Plants Nationwide
Ranked #1,378 out of 2,208 Natural Gas Power Plants Nationwide
Ranked #138 out of 483 Illinois Power Plants
Ranked #36 out of 64 Illinois Natural Gas Power Plants
Fuel Types	Natural Gas

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Summary Information
Plant Name	Nalco (50326)
Plant Address	1601 W Diehl Rd, Naperville, IL 60563
Utility	Nalco Co (14293)
Latitude, Longitude	41.80091, -88.19716
Generation Dates on File	Jan 2001 to Dec 2024
Initial Operation Date	November 1985
Annual Generation	20.3 GWh
Fuel Types	Natural Gas

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	Yes
FERC Cogeneration Docket Number	85-365-000
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	RFC
Balancing Authority	PJM Interconnection, LLC (PJM)
NAICS Code	Administrative and Support Services (561)
Sector	Commercial CHP (5)
Water Source	Municipality
Ash Impoundment	No
Transmission / Distribution Owner	City of Naperville - (IL) (13208) IL
Grid Voltage	12.80 kV
Energy Storage	No

Natural Gas Information
Local Distribution Company (LDC)	NICOR GAS
Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	CC1
Ownership	Wholly Owned by Other Entity
Can Bypass Heat Recovery Steam Generator	Yes
Nameplate Capacity	4 MW
Nameplate Power Factor	0.8
Summer Capacity	3 MW
Winter Capacity	3.5 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	November 1985
Combined Heat & Power	Yes
Sector Name	Commercial CHP (5)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	CC1
Ownership	Wholly Owned by Other Entity
Duct Burners	Yes
Nameplate Capacity	0.7 MW
Nameplate Power Factor	0.8
Summer Capacity	0.7 MW
Winter Capacity	0.7 MW
Uprate/Derate Completed	No
Status	Out of Service

First Operation Date	November 1985
Combined Heat & Power	Yes
Sector Name	Commercial CHP (5)
Topping Or Bottoming	B
Energy Source	Natural Gas
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Owner Name	Address	Generator	Ownership
Naperville Trust	1601 W Diehl Rd, Naperville, IL 60563	Generator AT1	100.00%
Naperville Trust	1601 W Diehl Rd, Naperville, IL 60563	Generator DPOX	100.00%

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#1380	South Fond Du Lac	Fond du Lac, WI	20.3 GWh
#1381	Marshalltown	Marshalltown, IA	20.3 GWh
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#1383	Elkins Generating Center	Elkins, AR	20.2 GWh
#1384	Live Oak Limited	Bakersfield, CA	20.1 GWh
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