Keokuk

523 North Water Street, Keokuk, IA 52632

Plant Summary Information

Keokuk is ranked #43 out of 1,311 hydroelectric power plants nationwide in terms of total annual net electricity generation.

Keokuk is comprised of 15 generators and generated 182.1 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Keokuk
Utility Name	Union Electric Co - (MO)
Location	Lee County, IA
Initial Operation Date	August 1913
Last Update	Dec 2025
Annual Generation	961.8 GWh
Annual Consumption	3.5 M MMBtu
Ranked #768 out of 13,081 Power Plants Nationwide
Ranked #43 out of 1,311 Water Power Plants Nationwide
Ranked #20 out of 283 Iowa Power Plants
Ranked #1 out of 4 Iowa Water Power Plants
Fuel Types	Water

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Monthly Net Generation for Keokuk

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Monthly Plant Fuel Consumption for Keokuk

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Keokuk Details

Summary Information
Plant Name	Keokuk (1109)
Plant Address	523 North Water Street, Keokuk, IA 52632
Utility	Union Electric Co - (MO) (19436)
Latitude, Longitude	40.3965, -91.3719
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	August 1913
Annual Generation	961.8 GWh
Fuel Types	Water

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	SERC
Balancing Authority	Midcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Mississippi River
Ash Impoundment
Transmission / Distribution Owner	Union Electric Co - (MO) (19436) MO
Grid Voltage	69.00 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Generator 1 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK1
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK1
Nameplate Capacity	7.6 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 10 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK10
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK10
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 11 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK11
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK11
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 12 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK12
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK12
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 13 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK13
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK13
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 14 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK14
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK14
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 15 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK15
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK15
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	8 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 2 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK2
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK2
Nameplate Capacity	7.6 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 3 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK3
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK3
Nameplate Capacity	7.6 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 4 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK4
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK4
Nameplate Capacity	7.6 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 5 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK5
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK5
Nameplate Capacity	7.6 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	8 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 6 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK6
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK6
Nameplate Capacity	7.6 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 7 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK7
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK7
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 8 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK8
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK8
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator 9 Details Operating August 1913

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	AMMO.KEOKUK9
RTO ISO Location Designation For Reporting Wholesale Sales Data	AMMO.KEOKUK9
Nameplate Capacity	8.8 MW
Nameplate Power Factor	0.8
Summer Capacity	10 MW
Winter Capacity	10 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1913
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Keokuk Plant Owners

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

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#33	Colgate	Dobbins, CA	1.3 TWh
#34	Hoover Dam (NV)	Boulder City, NV	1.3 TWh
#35	Pickwick Landing Dam	Pickwick Dam, TN	1.3 TWh
#36	Wheeler Dam	Town Creek, AL	1.2 TWh
#37	Kentucky Dam	Grand Rivers, KY	1.1 TWh
#38	Mossyrock	Silver Creek, WA	1.0 TWh
#39	Wolf Creek	Jamestown, KY	1.0 TWh
#40	Oxbow (OR)	Oxbow, OR	990.3 GWh
#41	Sidney A Murray Jr Hydroelectric	Vidalia, LA	989.5 GWh
#42	Selis Ksanka Qlispe	Polson, MT	970.6 GWh
#44	Gorge	Rockport, WA	912.4 GWh
#45	Davis Dam	Kingman, AZ	906.0 GWh
#46	Fontana Dam	Fontana Dam, NC	900.2 GWh
#47	Cabinet Gorge	Clark Fork, ID	886.3 GWh
#48	Watts Bar Hydro	Spring City, TN	865.4 GWh
#49	Safe Harbor	Conestoga, PA	860.6 GWh
#50	Holtwood	Holtwood, PA	833.4 GWh
#51	Devil Canyon	San Bernardino, CA	813.4 GWh
#52	Round Butte	Madras, OR	772.4 GWh
#53	Fort Peck	Fort Peck, MT	756.9 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Keokuk.

Plant Name	Plant Location	Annual Generation	Distance
Brown County Wind Turbine	Mount Sterling, IL	3.0 MWh	46 mi
Burlington (IA)	Burlington, IA	26.5 GWh	27.3 mi
Bushnell	Bushnell, IL	78.0 MWh	46.3 mi
Cardinal Point Wind	Sciota, IL	521.4 GWh	35.2 mi
Cass County Renewable Energy Center	Beardstown, IL	305.9 GWh	55.7 mi
Earp Solar, LLC	Monmouth, IL	76.3 GWh	50.3 mi
Galesburg Solar Array	Oquawka, IL	2.5 GWh	42.4 mi
JM Huber at Quincy	Quincy, IL	2.1 GWh	37.2 mi
Kahoka	Kahoka, MO	5.0 MWh	18.4 mi
Macomb 2A	Macomb, IL	4.2 GWh	36.2 mi
McDonough Solar 1, LLC CSG	Blandinsville, IL	3.9 GWh	29.5 mi
Morgan Solar 1 CSG	Meredosia, IL	4.0 GWh	58.6 mi
Morgan Solar 1b CSG	Meredosia, IL	3.5 GWh	58.7 mi
Mt Pleasant	Mt Pleasant, IA	802.0 MWh	40.8 mi
NLMU Wind	New London, IA	5.0 GWh	38.6 mi
Pleasantville Solar Park	Ipava, IL	178.8 GWh	54 mi
Roquette America	Keokuk, IA	207.7 GWh	1.3 mi
Sullivan B Community Solar LLC	Macomb, IL	3.9 GWh	38.8 mi
Wapello Solar LLC	Wapello, IA	199.7 GWh	53.3 mi
Wever Solar (150MW)	Wever, IA	278.3 GWh	23.9 mi