Lake Mills

201 S. Mill Street, Lake Mills, IA 50450

Plant Summary Information

Lake Mills is ranked #32 out of 92 distillate fuel oil power plants in Iowa in terms of total annual net electricity generation.

Lake Mills is comprised of 4 generators and generated 24.9 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Lake Mills
Utility Name	City of Lake Mills - (IA)
Location	Winnebago County, IA
Initial Operation Date	January 1956
Last Update	Dec 2025
Annual Generation	99.0 MWh
Annual Consumption	1.1 k MMBtu
Ranked #12,703 out of 13,081 Power Plants Nationwide
Ranked #846 out of 1,233 Distillate Fuel Oil Power Plants Nationwide
Ranked #223 out of 283 Iowa Power Plants
Ranked #32 out of 92 Iowa Distillate Fuel Oil Power Plants
Fuel Types	Distillate Fuel Oil
Previous Operator	City of Lake Mills (2013 to 2024) City of Lake Mills - (IA) (2025 to 2025)

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Summary Information
Plant Name	Lake Mills (1154)
Plant Address	201 S. Mill Street, Lake Mills, IA 50450
Utility	City of Lake Mills - (IA) (10606)
Latitude, Longitude	43.4172, -93.5322
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	January 1956
Annual Generation	99.0 MWh
Fuel Types	Distillate Fuel Oil

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	MRO
Balancing Authority	Midcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Municipality
Ash Impoundment	No
Transmission / Distribution Owner	City of Lake Mills (10606) IA
Grid Voltage	12.47 kV / 4.16 kV
Energy Storage	No

Natural Gas Information
Local Distribution Company (LDC)	BLACK HILLS ENERGY
Pipeline Name	BLACK HILLS ENERGY
Natural Gas Storage	No
Liquefied Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

First Operation Date	November 1962
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil / Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	No
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Switch When Operating	Yes
Net Summer Capacity With Natural Gas	1.2 MW
Net Winter Capacity With Natural Gas	1.2 MW
Net Summer Capacity With Oil	1.2 MW
Net Winter Capacity With Oil	1.2 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	Yes
Air Permit Limits	Yes

Status	Operating
First Operation Date	March 1979
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Status	Operating
First Operation Date	June 1999
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Status	Operating
First Operation Date	September 2022
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

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

Power plants with a similar annual net generation from Distillate Fuel Oil.

Rank	Plant Name	Plant Location	Annual Generation
#836	Wolf Creek Generator	Burlington, KS	106.0 MWh
#837	Southwestern Bell Telephone	St. Louis, MO	105.0 MWh
#838	Thermal Kem	Rock Hill, SC	105.0 MWh
#839	Valenite	Westminster, SC	105.0 MWh
#840	West Campus Cogeneration Facility	Madison, WI	305.2 GWh
#841	Rockwood	Brawley, CA	419.0 MWh
#842	Savannah River Site Biomass Cogen	Aiken, SC	95.9 GWh
#843	Goldsmith	Goldsmith, TX	101.0 MWh
#844	Westover	Odessa, TX	100.0 MWh
#845	Water Street Station	Bay City, MI	1.0 GWh
#847	Citrus City	Mission, TX	99.0 MWh
#848	Spartanburg Water System	Chesnee, SC	620.0 MWh
#849	Jackson Cntr Peaking	Jackson Center, OH	98.0 MWh
#850	Blue Earth	Blue Earth, MN	96.0 MWh
#851	Lake (WY)	Yellowstone, WY	96.0 MWh
#852	WAL5211	McKinney, TX	96.0 MWh
#853	E. Porte Ct.	Harlingen, TX	96.0 MWh
#854	Salem Water Plant	Salem, VA	96.0 MWh
#855	Henry Station	Bay City, MI	1.4 GWh
#856	Fairmont (MN)	Fairmont, MN	7.9 GWh

Below are closest 20 power plants surrounding Lake Mills.

Plant Name	Plant Location	Annual Generation	Distance
Bancroft (MN)	Albert Lea, MN	589.0 MWh	20.1 mi
Barton Windpower LLC	Kensett, IA	365.4 GWh	22.2 mi
Bent Tree Wind Farm Phase 1	Hartland, MN	334.1 GWh	21.6 mi
Crystal Lake 3 LLC	Britt, IA	230.8 GWh	18.9 mi
Forest City Light Plant	Forest City, IA	392.0 MWh	11.8 mi
Forest City Solar	Forest City, IA	4.6 GWh	10.9 mi
FPL Energy Crystal Lake Wind II LLC	Britt, IA	705.8 GWh	16.7 mi
FPL Energy Crystal Lake Wind LLC	Britt, IA	577.9 GWh	20.6 mi
Freeborn Wind Farm	Glenville, MN	772.4 GWh	18.5 mi
Goose Lake MN DPC-GM	Albert Lea, MN	2.9 GWh	21 mi
Lake Mills Gas Recovery	Lake Mills, IA	31.7 GWh	2.5 mi
Lime Creek	Mason City, IA	1.1 GWh	20.2 mi
Northern Iowa Windpower II	Kensett, IA	134.3 GWh	12.4 mi
Old Gold Energy Center, LLC	Joice, IA	57.1 GWh	6.3 mi
POET Biorefining-Hanlontown, LLC	Hanlontown, IA	13.4 GWh	11.1 mi
REG Juhl Glenville Wind, LLC	Albert Lea, MN	7.6 GWh	16.1 mi
Roeder Family Wind Farm LLC	Manly, IA	4.9 GWh	15 mi
Top of Iowa Windfarm III	Kensett, IA	39.9 GWh	11.3 mi
Windwalkers LLC	Kensett, IA	2.5 GWh	15.8 mi
Winnebago Wind Power Project	Forest City, IA	61.3 GWh	13.9 mi