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PERI Greenhouse 100 Polluters State Summary For Iowa

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Overall

Summary for IowaValue
Total 2023 CO2 equivalent emissions (millions of metric tons):43.7
Percentage of national total:1.7
Rank among US states (1=top):19

Top 5 Polluter Companies in Iowa

CompanyCO2 equivalent emissions (mmt)% of state totalNum. facilities
Berkshire Hathaway15.337.218
Archer Daniels Midland4.811.73
Alliant Energy3.48.26
CF Industries3.27.81
Koch Industries2.56.14

Top 5 Sectors in Iowa

Sector NameCO2 equivalent emissions (mmt)Num. facilities
Power Plants20.521
Food Processing7.129
Ethanol Production5.036
Ammonia Manufacturing4.84
Municipal Landfills1.326

All facilities in Iowa

Basic data displayed (display advanced data instead)
(Click on column headers to re-sort table: current sort is by CO2 equivalent emissions (mt) descending.)
(Links on facility names lead to FLIGHT reports.)
Facility NameParentCO2 equivalent emissions (mt) down arrowSplit *
Walter Scott Jr. Energy CenterBerkshire Hathaway5,752,624
LouisaBerkshire Hathaway3,691,041
OttumwaBerkshire Hathaway3,426,759
CF Industries Nitrogen, LLC-Port Neal Nitrogen ComplexCF Industries3,191,237
ADM CORN PROCESSINGArcher Daniels Midland2,746,519
ADM CORN PROCESSINGArcher Daniels Midland1,945,777
SutherlandAlliant Energy1,522,582
Iowa Fertilizer CompanyKoch Industries1,350,065
George Neal NorthBerkshire Hathaway1,322,337
Emery StationAlliant Energy1,201,117
Koch Fertilizer Ft. Dodge, LLCKoch Industries1,025,233
George Neal SouthGeorge Neal South963,695
Davenport PlantSummit Materials841,277
Greater Des Moines Energy CenterBerkshire Hathaway839,556
MuscatineMuscatine Power & Water679,632
Prairie CreekAlliant Energy594,742
EQUISTAR CHEMICALS LPLyondellBasell Industries502,998
GRAIN PROCESSING CORPKent Corp.464,185
LEHIGH CEMENT CO LLCHeidelberg Materials446,400
CARGILL INC - EDDYVILLECargill399,264
ROQUETTE AMERICA INCRoquette351,512
SSAB Iowa Inc.SSAB295,476
Arconic US LLCApollo Global Management269,183
AmesCity of Ames, IA236,925
Cargill, IncorporatedCargill233,855
HOMELAND ENERGY SOLUTIONS LLCHOMELAND ENERGY SOLUTIONS LLC229,718
Valero Renewable Fuels LLC Charles CityValero Energy201,940
Poet Biorefining Fairbank LLCPoet LLC196,145
Valero Fort Dodge PlantValero Energy195,687
LITTLE SIOUX CORN PROCESSORS, LLCLittle Sioux Corn Processors LLLP193,904
Valero Hartley PlantValero Energy192,779
VALERO ALBERT CITY PLANTValero Energy189,653
Carmeuse DavenportCarmeuse186,934
POET Biorefining- Menlo, LLCPoet LLC180,626
Elite OctaneELITE OCTANE LLC177,746
POET Biorefining Shell Rock, LLC.Poet LLC174,101
BIG RIVER UNITED ENERGY LLCGrowmark174,051
BLACK HAWK COUNTY SANITARY LANDFILLBlack Hawk County, IA173,456
GOLDEN GRAIN ENERGY, LLCGolden Grain Energy LLC169,762
BIG RIVER RESOURCES WEST BURLINGTON LLCGrowmark164,883
LOUIS DREYFUS COMMODITIES GRAND JUNCTION LLCLouis Dreyfus163,739
POET Biorefining- Arthur, LLCPoet LLC159,570
ABSOLUTE ENERGY LLCABSOLUTE ENERGY LLC151,261
UNIV OF IOWA MAIN PWR PLANTUniversity Of Iowa148,016
IOWA STATE UNIVERSITY/ ISU HEATING PLANTIowa State University Of Science & Technology146,726
SOUTHWEST IOWA RENEWABLE ENERGYSOUTHWEST IOWA RENEWABLE ENERGY145,413
POET Biorefining- Iowa Falls, LLCPoet LLC142,205
Exira StationWESTERN MINNESOTA MUNICIPAL POWER AGENCY131,628
PINE LAKE CORN PROCESSORSInnovative Ag Services124,046
BungeBunge112,309
POET BIOREFININGPoet LLC111,870
Valero Lakota PlantValero Energy111,809
PINNACLE ETHANOL LLC d/b/a POET BIOREFINING - CORNINGPoet LLC110,033
ADM SOYBEAN PROCESSING - DES MOINESArcher Daniels Midland108,458
POET BIOREFINING - GOWRIE, LLCPoet LLC107,851
AHN Heartland IngredientsAjinomoto104,073
POET Biorefining - Hanlontown LLCPoet LLC102,352
LINCOLNWAY ENERGY LLCLincolnway Energy101,232
GREEN PLAINS SHENANDOAH LLCGreen Plains Inc.101,170
GUARDIAN INDUSTRIES - DeWittKoch Industries98,146
Poet Biorefining AshtonPoet LLC94,566
CARGILL INC-CEDAR RAPIDSCargill92,119
SIOUXLAND ENERGY COOPERATIVESIOUXLAND ENERGY COOPERATIVE87,511
CORN LPCORN LP87,144
VOYAGER ETHANOL LLCPoet LLC85,822
ALLIANCE PIPELINE L.P. - MANCHESTERPembina Pipeline Corp.82,855
Loess Hills Regional Sanitary LandfillWaste Connections Inc.82,200
Cedar Rapids/Linn County Solid Waste Agency Site #2Linn County, IA80,661
Poet Biorefining-Coon RapidsPoet LLC79,543
MidAmerican Energy Local Gas Distribution CompanyBerkshire Hathaway77,042
LANDFILL OF NORTH IOWACerro Gordo County, IA76,499
GREEN PLAINS SUPERIOR LLCGreen Plains Inc.75,855
US GYPSUM - SPERRY PLANTKnauf74,570
Bayer CropScience LPBayer73,944
TYSON FRESH MEATS INCTyson Foods73,268
THE ANDERSONS MARATHON HOLDINGS LLCAndersons Inc.72,860
QUAD CNTY CORN PROCESSORSQUAD COUNTY CORN PROCESSORS70,827
AG PROCESSING INC-EAGLE GROVEAg Processing Inc.70,515
GREEN VALLEY CHEMICAL CORPGreen Valley Chemical65,745
Ag Processing IncAg Processing Inc.65,183
NORTHERN NATURAL GAS CO-OGDEN COMPRESSORBerkshire Hathaway64,527
DES MOINES COUNTY REGIONAL SOLID WASTE COMMISSIONDes Moines County, IA61,585
METRO METHANE RECOVERY FACILITYMETRO WASTE AUTHORITY61,540
Northwest Ia. Area Solid Waste AgencyNorthwest Iowa Area Solid Waste Agency61,034
Cargill IncorporatedCargill60,937
Cargill IncorporatedCargill60,583
UNIVERSITY OF NORTHERN IOWA - POWER PLANT/MAIN CAMPUSUniversity Of Northern Iowa59,125
INGREDION INCORPORATEDIngredion56,565
GREAT RIVER REGIONAL WASTE AUTHORITY SANITARY LANDFILLGreat River Regional Waste Authority54,367
SOUTH CENTRAL IOWA SOLID WASTE AGENCY SCISWASouth Central Iowa Solid Waste Agency53,314
Cedar Rapids/Linn County Solid Waste Agency Site #1Linn County, IA53,053
NCIRSWA Sanitary LandfillNorth Central Iowa Regional Solid Waste Agency52,033
Plymouth Energy LLCLakeview Energy51,991
JBS SWIFTJBS51,697
NGPL Station 107 Emerson, IAKinder Morgan50,807
Boone County Sanitary LandfillBoone County, IA50,275
Novelis ALR Aluminum LLC (Davenport Casting)Aditya Birla Group49,269
TYSON FRESH MEATS, INC. - WATERLOOTyson Foods48,704
SMITHFIELD FRESH MEATS CORP-DENISONWH Group48,539
Gold Bond - FTD PlantNational Gypsum46,496
TYSON FRESH MEATS INC-PERRYTyson Foods46,152
GNRL MILLSGeneral Mills45,114
JOHN DEERE FNDRY WATERLOODeere45,076
CARROLL COUNTY SOLID WASTE MANAGEMENT COMMISSIONCarroll County Solid Waste Management Commission44,800
CENTRAL DISPOSAL SYSTEMS INCWaste Management Inc.44,514
Georgia-Pacific Gypsum LLC - Fort DodgeKoch Industries44,224
NGPL Station 109 Harper, IAKinder Morgan43,096
JBS Swift FoodJBS42,757
CITY OF MUSCATINE LANDFILLMuscatine County, IA42,669
BRIDGESTONE AMERICAS TIRE OPERATIONS, LLCBridgestone41,169
CLINTON COUNTY SANITARY LANDFILL (EAST)Clinton County, IA39,638
OTTUMWA / WAPELLO COUNTY SANITARY LANDFILLOttumwa-Wapello Solid Waste Commission39,467
Mahaska County Sanitary Landfill - Binns and Stevens SiteMahaska County, IA38,422
US ARMY IOWA ARMY AMMUNITION PLANT-AMERICAN ORDNANCE LLCDay & Zimmerman37,272
GELITA USAGELITA37,117
Redfield UGS and Compressor StationBerkshire Hathaway36,491
Shell Rock Soy ProcessingShell Rock Soy Processing, LLC36,489
Summit LakeCENTRAL IOWA POWER COOPERATIVE36,040
WINNESHIEK COUNTY SANITARY LANDFILLWinneshiek County, IA35,734
Cargill IncorporatedCargill35,611
GERDAU AMERISTEEL US INCGerdau31,887
Marshall County Sanitary LandfillMarshall County, IA31,812
Nestle Purina Petcare Co.Nestle31,501
NGPL Station 204 Columbus Junction, IAKinder Morgan31,369
ANR Pipeline Birmingham CSTC Energy30,814
South Central Iowa LandfillSouth Central Iowa Landfill Agency30,252
USDA-NATIONAL ANIMAL DISEASE CENTERU.S. Government28,205
AG PROCESSING INC-SHELDONAg Processing Inc.27,848
Tyson Fresh MeatsTyson Foods27,655
Potters Industries, Inc. - Muscatine, IAThe Jordan Company27,523
QUAKER MFG LLCPepsiCo27,403
City of Newton Sanitary LandfillCity of Newton, IA26,974
IOWA CITY SANITARY LANDFILLCity of Iowa City, IA26,465
AG PROCESSING INCAg Processing Inc.23,462
PB LEINER USATessenderlo22,012
Interstate Power & Light Gas DistributionAlliant Energy21,371
TITAN TIRE CORPTitan International18,635
Burlington (IA)Alliant Energy18,575
DICKINSON LANDFILL INCWaste Management Inc.15,753
DUBUQUE METROPOLITAN SANITARY LANDFILLDubuque Metropolitan Area Solid Waste Agency15,419
Pleasant Hill Energy CenterBerkshire Hathaway13,374
Oakland Compressor StationBerkshire Hathaway12,857
Waterloo Compressor StationBerkshire Hathaway12,578
Sycamore Combustion TurbineBerkshire Hathaway11,320
Streeter StationCEDAR FALLS UTILITIES10,497
NGPL Station 108 Truro, IAKinder Morgan10,242
Northern Natural Gas - Ventura Compressor StationBerkshire Hathaway9,164
MidAmerican Energy Company Local Natural Gas Distribution Company - South DakotaBerkshire Hathaway8,706
ElectrifarmBerkshire Hathaway8,694
SCOTT AREA SANITARY LANDFILLScott County, IA8,185
ANR Pipeline Lineville CSTC Energy7,995
Tama Paperboard, LLCGreif Inc.7,353
MidAmerican Energy Company Local Natural Gas Distribution Company - IllinoisBerkshire Hathaway7,229
Earl F WisdomCORN BELT POWER COOPERATIVE6,001
MidAmerican Energy CompanyBerkshire Hathaway5,275
Dayton Avenue SubstationCity of Ames, IA1,856
Cedar Falls Municipal Gas UtilityCEDAR FALLS UTILITIES1,156
LansingAlliant Energy1,091
MidAmerican Energy Company Local Natural Gas Distribution Company - NebraskaBerkshire Hathaway910
For more information on the data, see the technical notes.
* Split: if 50% appears in this column, then the facility's emissions have been split among two 50/50% ownership parent companies.

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Oct 2025