Greenhouse 100 Suppliers State List (2023 Report, Based on 2021 Data)

(Links on state names lead to individual state displays. Click on column headers to re-sort table)
Sorted by: CO2 from oil (mmt) descending, then by State Name
State Name2021 Emissions from Fossil Fuel Supplies (CO2 million metric tons)CO2 from oil (mmt) (sorted by)CO2 from nat. gas (mmt)CO2 from coal (mmt)Number of FacilitiesTop 3 Parent Companies
Texas1,129.4759.1348.322.0160Valero Energy, Exxon Mobil, Enterprise Products Partners
Louisiana405.8373.032.40.441Marathon Petroleum, Exxon Mobil, PDVSA (Petroleos de Venezuela S.A.)
California316.7224.892.00.046Chevron, Marathon Petroleum, Sempra Energy
Illinois277.1143.151.682.540Marathon Petroleum, Foresight Energy, Exxon Mobil
Washington99.982.417.40.014BP, HF Sinclair Corporation, Marathon Petroleum
Ohio134.373.454.76.242Cenovus Energy, MPLX LP, PBF Energy
Oklahoma91.566.225.30.018Phillips 66, HF Sinclair Corporation, Oneok
Minnesota88.566.022.50.027Koch Industries, Marathon Petroleum, CenterPoint Energy
Indiana172.662.865.943.948BP, NiSource, Peabody Energy
Kansas93.059.034.00.022HF Sinclair Corporation, Oneok, CHS Inc.
Mississippi63.450.10.34.115Chevron, Denbury Inc., Ergon
New Jersey72.245.426.80.027Phillips 66, Public Service Enterprise, PBF Energy
Kentucky102.337.85.059.5154Marathon Petroleum, Alliance Resource Partners, Invesco
Pennsylvania173.435.546.791.2162Consol Energy, Delta Air Lines, UGI Corp.
Utah70.530.911.827.816Trafigura Group, Dominion Energy, Chevron
Montana88.830.85.552.417Navajo Transitional Energy Company LLC, Global Mining Group LLC, Westmoreland Mining LLC
Tennessee32.422.89.60.040Valero Energy, City of Memphis, TN, Southern Company
Alabama61.322.318.320.758Warrior Met Coal, Hunt Consolidated, Shell PLC
Michigan64.521.942.60.017Marathon Petroleum, CMS Energy, DTE Energy
Wyoming425.915.83.3406.834Peabody Energy, Arch Resources, Navajo Transitional Energy Company LLC
New Mexico39.913.34.618.619HF Sinclair Corporation, Peabody Energy, Navajo Transitional Energy Company LLC
Delaware15.413.02.30.07PBF Energy, Exelon, Chesapeake Utilities
Hawaii12.212.10.20.09Par Pacific Holdings, Macquarie, One Rock Capital Partners
Alaska15.610.83.01.89Marathon Petroleum, Arctic Slope Regional Corp., AltaGas
Colorado73.210.623.924.034Kinder Morgan, Xcel Energy, Suncor Energy
North Dakota57.410.212.933.823NACCO Industries, Marathon Petroleum, Allete
Arkansas12.19.92.20.07Delek, Black Hills Corp., Martin Midstream Partners
Virgin Islands of the U.S.3.43.40.00.01EIG Global Energy Partners
West Virginia198.73.015.6180.1183Invesco, Alpha Metallurgical Resources, Alliance Resource Partners
Nevada12.60.212.50.06Southwest Gas, Berkshire Hathaway, Sky Quarry
Wisconsin27.60.027.60.026WEC Energy Group, Alliant Energy, MGE ENERGY INC
Arizona2.40.02.40.02Fortis, City of Mesa, AZ
Connecticut10.60.010.60.09Iberdrola, EverSource Energy, City of Norwich, CT
Florida12.90.012.90.023Emera, City of Gainesville, FL, NextEra Energy
Georgia15.50.015.50.036Southern Company, Algonquin Power & Utilities, City of Dalton, GA
Idaho4.00.04.00.01MDU Resources
Iowa16.70.016.70.015Berkshire Hathaway, Alliant Energy, Black Hills Corp.
Maine0.30.00.30.01Ullico Inc.
Maryland7.90.05.12.820Exelon, Angela Svonavec, Quintana Capital Group GP Ltd
Massachusetts15.10.015.10.012National Grid, EverSource Energy, Iberdrola
Missouri11.80.011.70.116Spire Inc., Ameren, Algonquin Power & Utilities
Nebraska6.00.06.00.07Black Hills Corp., Metropolitan Utilities District, City of Fremont, NE
New Hampshire0.90.00.90.05Algonquin Power & Utilities, Irving Oil, Brookfield Asset Management
New York61.00.061.00.025National Grid, Consolidated Edison, Iberdrola
North Carolina38.90.038.90.019Duke Energy, Dominion Energy, City of Kings Mountain, NC
Oregon6.20.06.20.04Northwest Natural Holding Co, Alto Ingredients, Incitec Pivot
Puerto Rico0.00.00.00.01Ingersoll Rand
Rhode Island2.00.02.00.01National Grid
South Carolina5.60.05.60.011Dominion Energy, YORK COUNTY NATURAL GAS AUTHORITY, FORT HILL NATURAL GAS AUTHORITY
South Dakota0.20.00.20.03City of Watertown, SD, Poet LLC
Vermont0.70.00.70.01CAISSE DE DEPOT ET PLACEMENT DU QUEBEC
Virginia41.50.016.924.655Energy and Minerals Group, AltaGas, Alpha Metallurgical Resources

Explanatory notes (For details, see the technical notes).

This edition of the Greenhouse 100 Suppliers ranks companies by C02-equivalent greenhouse gas emissions from their supply of products in 2021 that result in GHG emissions when the products are released, combusted, or oxidized. This differs from the Greenhouse 100 Polluters because the Greenhouse 100 Polluters ranks companies by direct emissions of GHGs from large facilities. It includes both data from EPA's GHGRP Suppliers database and a PERI database of coal mines based on EIA and MSHA data. Petroleum exports are not included as supplier amounts (we assume that they were also reported as production if they were produced in the US.)

Important: EPA treats some quantities of CO2 released from suppliers as confidential where the supplying facility makes only one product and its amount of production could be calculated from its CO2 emissions. PERI has no way to determine the values of these confidential amounts and has treated them as zeroes. Users of this list should be aware that data derived from EPA's GHGRP Suppliers database are a lower bound and may actually be larger than shown.

The links from each parent name or state lead to an application that gives detailed facility information. You can also search for companies not on the Greenhouse 100 Suppliers Index. For more information on the data, see the technical notes.

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