Alliant Energy Neenah

200 County Road CB, Neenah, WI 52601

Plant Summary Information

Alliant Energy Neenah is ranked #13 out of 260 power plants in Wisconsin in terms of total annual net electricity generation.

Alliant Energy Neenah is comprised of 2 generators and generated 118.3 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Alliant Energy Neenah
Utility Name	Wisconsin Power & Light Co
Location	Winnebago County, WI
Initial Operation Date	May 2000
Last Update	Dec 2025
Annual Generation	482.7 GWh
Annual Consumption	5.9 M MMBtu
Ranked #1,397 out of 13,094 Power Plants Nationwide
Ranked #564 out of 2,208 Natural Gas Power Plants Nationwide
Ranked #13 out of 260 Wisconsin Power Plants
Ranked #6 out of 50 Wisconsin Natural Gas Power Plants
Fuel Types	Natural Gas

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Summary Information
Plant Name	Alliant Energy Neenah (55135)
Plant Address	200 County Road CB, Neenah, WI 52601
Utility	Wisconsin Power & Light Co (20856)
Latitude, Longitude	44.1936, -88.5064
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	May 2000
Annual Generation	482.7 GWh
Fuel Types	Natural Gas

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	RFC
Balancing Authority	Midcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source
Ash Impoundment	No
Transmission / Distribution Owner	American Transmission Co (659) WI
Grid Voltage	138.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	ANR PIPELINE COMPANY
Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	ALTE.NEENAHG1
RTO ISO Location Designation For Reporting Wholesale Sales Data	ALTE.NEENAHG1
Nameplate Capacity	185.5 MW
Nameplate Power Factor	0.85
Summer Capacity	201 MW
Winter Capacity	218.9 MW
Minimum Load	100 MW
Uprate/Derate Completed	Yes
Uprate Or Derate Completed	October 2025

Status	Operating
First Operation Date	May 2000
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	ALTE.NEENAHG2
RTO ISO Location Designation For Reporting Wholesale Sales Data	ALTE.NEENAHG2
Nameplate Capacity	185.5 MW
Nameplate Power Factor	0.85
Summer Capacity	150.1 MW
Winter Capacity	185.4 MW
Minimum Load	100 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	May 2000

Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Planned Net Summer Capacity Uprate	50 MW
Planned Net Winter Capacity Uprate	33 MW
Planned Uprate	May 2026
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

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#558	Afton Generating Station	La Mesa, NM	506.4 GWh
#559	Astoria Station	Astoria, SD	500.9 GWh
#560	Comanche (OK)	Lawton, OK	500.6 GWh
#561	Hawthorn	Kansas City, MO	2.4 TWh
#562	Mustang	Oklahoma City, OK	488.1 GWh
#563	Wabash Valley Power IGCC	Terre Haute, IN	483.2 GWh
#565	Lansing BWL REO Town Plant	Lansing, MI	477.2 GWh
#566	Frontier	Oklahoma City, OK	476.9 GWh
#567	South Belridge Cogeneration Facility	McKittrick, CA	474.5 GWh
#568	Pensacola Florida Plant	Cantonment, FL	474.1 GWh
#569	Cheyenne Prairie Generating Station	Cheyenne, WY	473.9 GWh
#570	Thomas Fitzhugh	Ozark, AR	472.3 GWh
#571	Turtle Creek	Springfield, NE	473.1 GWh
#572	Zion Energy Center	Zion, IL	468.2 GWh
#573	Woodsdale	Trenton, OH	471.3 GWh
#574	International Paper Riverdale Mill	Selma, AL	552.2 GWh

Below are closest 20 power plants surrounding Alliant Energy Neenah.

Plant Name	Plant Location	Annual Generation	Distance
Appleton	Appleton, WI	12.2 GWh	6.4 mi
Berlin Landfill Gas	Berlin, WI	11.6 GWh	25.9 mi
Blue Sky Green Field Wind Project	Fond du Lac, WI	317.0 GWh	24.7 mi
Combined Locks	Combined Locks, WI	42.6 GWh	11.6 mi
Combined Locks Energy Center	Combined Locks, WI	301.6 GWh	11.5 mi
Consumer Operations LLC	Green Bay, WI	240.4 GWh	31.4 mi
De Pere Energy Center	De Pere, WI	180.2 GWh	27.8 mi
Fox Energy Center	Wrightstown, WI	4.1 TWh	17.1 mi
Island Street Peaking Plant	Kaukauna, WI	20.2 GWh	13.2 mi
Kaukauna City Hydro	Kaukauna, WI	31.3 GWh	10.8 mi
Kaukauna Gas Turbine	Kaukauna, WI	2.3 GWh	13.2 mi
Kaukauna Paper Mill	Kaukauna, WI	91.6 GWh	14 mi
Kimberly Mill	Appleton, WI	13.3 GWh	10.3 mi
Ledgeview	Fond du Lac, WI	9.9 GWh	29.7 mi
Little Chute	Combined Locks, WI	22.1 GWh	13.8 mi
New Badger	Kaukauna, WI	43.7 GWh	13.1 mi
Rapide Croche	Kaukana, WI	16.5 GWh	12.7 mi
Shirley Wind	Denmark, WI	57.0 GWh	30.6 mi
South Fond Du Lac	Fond du Lac, WI	20.3 GWh	31.7 mi
Winnebago County Landfill Gas	Oshkosh, WI	3.2 GWh	7.8 mi