Grundy Center City Light Plant

504 7th. Street., Grundy Center, IA 50638

Plant Summary Information

Grundy Center City Light Plant is ranked #31 out of 92 distillate fuel oil power plants in Iowa in terms of total annual net electricity generation.

Grundy Center City Light Plant is comprised of 3 generators and generated 27.4 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Grundy Center City Light Plant
Utility Name	Grundy Center Mun Light & Power
Location	Grundy County, IA
Initial Operation Date	November 1963
Last Update	Dec 2025
Annual Generation	109.0 MWh
Annual Consumption	1.2 k MMBtu
Ranked #12,682 out of 13,081 Power Plants Nationwide
Ranked #829 out of 1,233 Distillate Fuel Oil Power Plants Nationwide
Ranked #222 out of 283 Iowa Power Plants
Ranked #31 out of 92 Iowa Distillate Fuel Oil Power Plants
Fuel Types	Distillate Fuel Oil

Map of Grundy Center City Light Plant

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Monthly Net Generation for Grundy Center City Light Plant

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Monthly Plant Fuel Consumption for Grundy Center City Light Plant

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Grundy Center City Light Plant Details

Summary Information
Plant Name	Grundy Center City Light Plant (1145)
Plant Address	504 7th. Street., Grundy Center, IA 50638
Utility	Grundy Center Mun Light & Power (7743)
Latitude, Longitude	42.36309, -92.77232
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	November 1963
Annual Generation	109.0 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	Wells
Ash Impoundment	No
Transmission / Distribution Owner	Grundy Center Mun Light & Power (7743) IA
Grid Voltage	4.16 kV / 12.70 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

Generator IC1 Details Operating November 1963

Technology	Petroleum Liquids
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	2.2 MW
Nameplate Power Factor	0.8
Summer Capacity	2.2 MW
Winter Capacity	2.2 MW
Minimum Load	2.2 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	November 1963
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	2.2 MW
Net Winter Capacity With Natural Gas	2.2 MW
Net Summer Capacity With Oil	2.2 MW
Net Winter Capacity With Oil	2.2 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	Yes
Storage Limits	Yes
Other Limits	Yes

Generator IC2 Details Operating March 1972

Technology	Petroleum Liquids
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	3.5 MW
Nameplate Power Factor	0.8
Summer Capacity	3.5 MW
Winter Capacity	3.5 MW
Minimum Load	3.5 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	March 1972
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	3.5 MW
Net Winter Capacity With Natural Gas	3.5 MW
Net Summer Capacity With Oil	3.5 MW
Net Winter Capacity With Oil	3.5 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	Yes
Storage Limits	Yes
Other Limits	Yes

Generator IC3 Details Operating October 1990

Technology	Petroleum Liquids
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	3 MW
Nameplate Power Factor	0.8
Summer Capacity	3 MW
Winter Capacity	3 MW
Minimum Load	3 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	October 1990
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	3 MW
Net Winter Capacity With Natural Gas	3 MW
Net Summer Capacity With Oil	3 MW
Net Winter Capacity With Oil	3 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	Yes
Storage Limits	Yes

Grundy Center City Light Plant Plant Owners

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

Power Plants with Similar Net Generation

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#820	Stonegate	Katy, TX	113.0 MWh
#821	Santa Rosa	Santa Rosa, TX	112.0 MWh
#822	Belews Creek	Belews Creek, NC	8.2 TWh
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#824	State Center	State Center, IA	153.0 MWh
#825	Wyandotte	Wyandotte, MI	110.0 MWh
#826	Clara	Houston, TX	110.0 MWh
#827	SJ/SC WPCP	San Jose, CA	69.4 GWh
#828	Cornell University Central Heat	Ithaca, NY	229.8 GWh
#830	NYC-HH-New Bellevue Hospital	New York, NY	109.0 MWh
#831	Whitehead	Springville, UT	11.4 GWh
#832	Princeton (MN)	Princeton, MN	108.0 MWh
#833	Smith Island	Ewell, MD	108.0 MWh
#834	Bakke	Andrews, TX	107.0 MWh
#835	HVCC Cogen Plant	Troy, NY	13.1 GWh
#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

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Salt Creek Wind	Traer, IA	360.0 GWh	19.1 mi
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Traer Main	Traer, IA	65.0 MWh	19.7 mi
Traer South	Traer, IA	12.0 MWh	19.2 mi
Traer Wind Project	Traer, IA	5.6 GWh	21.9 mi
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Waterloo Lundquist	Waterloo, IA	255.0 MWh	23.9 mi
Waterloo Solar (IA)	Waterloo, IA	5.7 GWh	24.7 mi
Wellsburg Wind Project	Wellsburg, IA	304.8 GWh	10.1 mi
Whispering Willow Wind Farm - East	Iowa Falls, IA	404.6 GWh	28.8 mi