2. U.S. Power Plants
  3. Iowa
  4. Marshall County, IA
  5. Marshalltown, IA
  6. Marshalltown Generating Station

Marshalltown Generating Station

2115 East Nevada Street, Marshalltown, IA 50158

Plant Summary Information

Marshalltown Generating Station is ranked #2 out of 275 power plants in Iowa in terms of total annual net electricity generation.

Marshalltown Generating Station is comprised of 5 generators and generated 852.7 GWh during the 3-month period between November 2024 to February 2025.

Plant NameMarshalltown Generating Station
Utility NameInterstate Power and Light Co
LocationMarshall County, IA
Initial Operation DateApril 2017
Last Update Feb 2025
Annual Generation 3.4 TWh
Annual Consumption 23.6 M MMBtu
Ranked #345 out of 11,993 Power Plants Nationwide
Ranked #199 out of 2,253 Natural Gas Power Plants Nationwide
Ranked #2 out of 275 Iowa Power Plants
Ranked #1 out of 49 Iowa Natural Gas Power Plants
Fuel Types Natural Gas

Map of Marshalltown Generating Station

Full Screen Map
© OpenStreetMap contributors
Use Ctrl + scroll to zoom the map
Use two fingers to move the map

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Marshalltown Generating Station.

Create Your Account Today

Monthly Net Generation for Marshalltown Generating Station

500k500k400k400k300k300k200k200k100k100k002018201820192019202020202021202120222022202320232024202420252025
Download SVG
Download PNG
Download CSV

Marshalltown Generating Station Details

Summary Information
Plant NameMarshalltown Generating Station (58236)
Plant Address2115 East Nevada Street, Marshalltown, IA 50158
UtilityInterstate Power and Light Co (9417)
Latitude, Longitude42.04333, -92.87278
Generation Dates on FileApr 2017 to Feb 2025
Initial Operation DateApril 2017
Annual Generation 3.4 TWh
Fuel Types Natural Gas
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionMRO
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceMunicipality
Ash Impoundment No
Transmission / Distribution OwnerITC Midwest LLC (56161)
Grid Voltage 161.00 kV
Energy StorageYes
 
Natural Gas Information
Pipeline Name NORTHERN BORDER P L CO
Natural Gas StorageNo

* Data obtained from the 2023 EIA 860 Report

Generator CTG1 Details Operating April 2017

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeMGS1
OwnershipSingle Owner
Can Bypass Heat Recovery Steam GeneratorNo
RTO ISO LMP Node DesignationALTW.CC.MGS1
RTO ISO Location Designation For Reporting Wholesale Sales DataALTW.CC.MGS1
Nameplate Capacity222.7 MW
Nameplate Power Factor0.85
Summer Capacity205.3 MW
Winter Capacity226.3 MW
Minimum Load115 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateApril 2017
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG2 Details Operating April 2017

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeMGS1
OwnershipSingle Owner
Can Bypass Heat Recovery Steam GeneratorNo
RTO ISO LMP Node DesignationALTW.CC.MGS2
RTO ISO Location Designation For Reporting Wholesale Sales DataALTW.CC.MGS2
Nameplate Capacity222.7 MW
Nameplate Power Factor0.85
Summer Capacity204.1 MW
Winter Capacity226.4 MW
Minimum Load115 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateApril 2017
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator STG1 Details Operating April 2017

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Steam Part
Unit CodeMGS1
OwnershipSingle Owner
Duct BurnersNo
RTO ISO LMP Node DesignationALTW.CC.MGS2
RTO ISO Location Designation For Reporting Wholesale Sales DataALTW.CC.MGS2
Nameplate Capacity260.5 MW
Nameplate Power Factor0.85
Summer Capacity242.2 MW
Winter Capacity238 MW
Minimum Load80 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateApril 2017
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Other Planned ModificationsNo
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator BESS1 Details Operating October 2020

TechnologyBatteries
Prime MoverBattery
Unit CodeMGPV
OwnershipSingle Owner
Nameplate Capacity0.3 MW
Summer Capacity0.3 MW
Winter Capacity0.3 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 2020
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceElectricity used for energy storage
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Other Planned ModificationsNo
Energy Storage Details
Nameplate Energy Capacity MWH0.6
Maximum Charge Rate0.3 MW
Maximum Discharge Rate0.3 MW
Storage TechnologyLIB
Nameplate Reactive Power Rating0.1
Storage Enclosure TypeCS
Co Located Renewable FirmingYes
Load ManagementP
Excess Wind And Solar GenerationYes
Ac CoupledYes
Direct Support Of Another UnitYes
Direct Support Plant Id58236
Direct Support Gen IdPV1
Support T D AssetNo

Generator PV1 Details Operating February 2020

TechnologySolar Photovoltaic
Prime MoverPhotovoltaic
Unit CodeMGPV
OwnershipSingle Owner
Nameplate Capacity2.6 MW
Nameplate Power Factor1
Summer Capacity2.6 MW
Winter Capacity2.1 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateFebruary 2020
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceSolar
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Other Planned ModificationsNo
Multiple FuelsNo
Solar Details
Fixed TiltYes
Azimuth Angle180
Tilt Angle25
DC Net Capacity3.4 MW
Crystalline SiliconYes
Other MaterialsYes
Net Metering AgreementNo
Virtual Net Metering AgreementNo

Marshalltown Generating Station Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Natural Gas.

RankPlant NamePlant LocationAnnual Generation
#189Bridgeport StationBridgeport, CT3.5 TWh
#190ZeltmannAstoria, NY3.5 TWh
#191Osprey Energy Center Power PlantAuburndale, FL3.5 TWh
#192Marshall (NC)Terrell, NC7.8 TWh
#193NorthportNorthport, NY3.7 TWh
#194Rhode Island State Energy CenterJohnston, RI3.5 TWh
#195Bethlehem Energy CenterGlenmont, NY3.4 TWh
#196Harding StreetIndianapolis, IN3.4 TWh
#197Curtis H Stanton Energy CenterOrlando, FL3.4 TWh
#198Woodbridge Energy CenterKeasbey, NJ3.4 TWh
#200Bear GardenNew Canton, VA3.4 TWh
#201Riverside Energy CenterBeloit, WI3.4 TWh
#202Harry AllenLas Vegas, NV3.4 TWh
#203Jack Fusco Energy CenterThompsons, TX3.4 TWh
#204CherokeeDenver, CO3.4 TWh
#205Dynegy Moss Landing Power Plant HybridMoss Landing, CA3.3 TWh
#206Hermiston Generating PlantHermiston, OR3.3 TWh
#207Kings Mountain Energy CenterKings Mountain, NC3.3 TWh
#208Jim BridgerPoint of Rocks, WY7.8 TWh
#209Wansley Unit 9Franklin, GA3.3 TWh

Nearby Power Plants

Below are closest 20 power plants surrounding Marshalltown Generating Station.

Plant NamePlant LocationAnnual GenerationDistance
Alliant SBD 9107 JBS USAMarshalltown, IA35.3 MWh1.5 mi
BrooklynBrooklyn, IA6.0 MWh30.9 mi
Brooklyn City North PlantBrooklyn, IA4.0 MWh30.6 mi
Dike City Power PlantDike, IA60.0 MWh31.6 mi
FPL Energy Story Wind LLCZearing, IA589.3 GWh20.9 mi
Garden Wind LLCZearing, IA360.3 GWh28.6 mi
Grundy Center City Light PlantGrundy Center, IA388.1 MWh22.7 mi
Ivester Wind FarmWellsburg, IA350.5 GWh20.4 mi
Laurel Wind FarmLaurel, IA431.3 GWh11.5 mi
MarshalltownMarshalltown, IA122.1 GWh0.7 mi
Michelangelo Wind 3 LLCHuxley, IA8.6 GWh33 mi
Optimum Wind 3 LLCNevada, IA7.1 GWh32.9 mi
Optimum Wind 4 LLCNevada, IA8.3 GWh33.1 mi
Optimum Wind 7 LLCNevada, IA10.1 GWh28.6 mi
State CenterState Center, IA53.0 MWh15 mi
Traer MainTraer, IA7.0 MWh23.4 mi
Traer Wind ProjectTraer, IA5.8 GWh23.5 mi
Venus Wind 3 LLCGrinnell, IA5.5 GWh23.2 mi
Vienna Wind FarmMarshalltown, IA403.3 GWh9.4 mi
Wellsburg Wind ProjectWellsburg, IA441.8 GWh24.5 mi