| Atlanta Gas Light Company | Southern Company | air pollution violation | 2001 | GA-ENV | $31,000 |
| New England Gas Company | National Grid | utility safety violation | 2006 | RI-PUC | $31,000 |
| Gregory Power Partners, L.P. | NRG Energy | environmental violation | 2009 | TX-ENV | $30,500 |
| Aqua Utilities, Inc. | Essential Utilities Inc. | environmental violation | 2012 | TX-ENV | $30,482 |
| Aqua Texas, Inc. | Essential Utilities Inc. | water pollution violation | 2024 | TX-ENV | $30,400 |
| SOUTHERN CALIFORNIA EDISON CO | Edison International | pipeline safety violation | 2004 | PHMSA | $30,000 |
| ALLEGHENY ENERGY SUPPLY CO LLC | FirstEnergy | environmental violation | 2019 | PA-ENV | $30,000 |
| ABB, Inc. | ABB Ltd. | environmental violation | 2010 | AZ-DEQ | $30,000 |
| Public Service Company | Xcel Energy | air pollution violation | 2008 | CO-DPHE | $30,000 |
| GULF POWER COMPANY | NextEra Energy | environmental violation | 2018 | FL-DEP | $30,000 |
| AQUA ILLINOIS | Essential Utilities Inc. | water pollution violation | 2015 | IL-ENV | $30,000 |
| Allegheny Energy | FirstEnergy | air pollution violation | 2011 | MD-ENV | $30,000 |
| Total Environmental Solutions Inc. | South Louisiana Electric Cooperative | environmental violation | 2011 | MS-ENV | $30,000 |
| Southern California Edison | Edison International | air pollution violation | 2003 | CA-SCAQMD | $30,000 |
| Amerigas Propane, Inc. | UGI Corp. | utility safety violation | 2017 | CT-PURA | $30,000 |
| The Southern Connecticut Gas Company | Iberdrola | utility safety violation | 2013 | CT-PURA | $30,000 |
| Fitchburg Gas and Electric Light Department d/b/a Until | Unitil Corporation | utility safety violation | 2020 | MA-DPU | $30,000 |
| Northern States Power Company (Xcel Energy Services Inc.) | Xcel Energy | utility safety violation | 2020 | ND-PSC | $30,000 |
| Duke Energy Ohio Inc | Duke Energy | utility safety violation | 2008 | OH-PUC | $30,000 |
| Peoples Natural Gas Co. | Essential Utilities Inc. | utility safety violation | 2010 | PA-PUC | $30,000 |
| SPS (Xcel | Xcel Energy | utility service violation | 2017 | TX-PUC | $30,000 |
| GDF Suez Energy Marketing NA, | Engie | utility service violation | 2016 | TX-PUC | $30,000 |
| EDF Trading North America | EDF-Electricite de France | utility service violation | 2013 | TX-PUC | $30,000 |
| Columbia Gas of Virginia, Inc | NiSource | utility safety violation | 2007 | VA-SCC | $30,000 |
| ALLIANT ENERGY | Alliant Energy | workplace safety or health violation | 2011 | OSHA | $30,000 |
| POWEREX, INC. | BC Hydro | environmental violation | 2006 | EPA | $30,000 |
| AMERICAN WATER OPERATIONS AND MAINTENANCE, INC. | American Water Works | environmental violation | 2012 | EPA | $30,000 |
| Ameren Corporation | Ameren | environmental violation | 2002 | EPA | $29,875 |
| SUNRUN INC. | Sunrun Inc. | workplace safety or health violation | 2021 | OSHA | $29,750 |
| Connecticut Natural Gas Corporation | Iberdrola | utility safety violation | 2015 | CT-PURA | $29,700 |
| Southwestern Electric Power Company | American Electric Power | utility service violation | 2011 | TX-PUC | $29,610 |
| PRAIRIE STATE GENERATING COMPANY, LLC | Prairie State Generating | workplace safety or health violation | 2014 | OSHA | $29,596 |
| AmeriGas | UGI Corp. | air pollution violation | 2006 | CA-ARB | $29,500 |
| ORMAT NEVADA INC | Ormat Technologies | workplace safety or health violation | 2007 | OSHA | $29,500 |
| ORMAT NEVADA INC | Ormat Technologies | workplace safety or health violation | 2006 | OSHA | $29,300 |
| Southwestern Elctric Power Company | American Electric Power | environmental violation | 2009 | EPA | $29,250 |
| SWEPCO | American Electric Power | utility service violation | 2017 | TX-PUC | $29,000 |
| Southwestern Electric Power Company | American Electric Power | utility service violation | 2013 | TX-PUC | $29,000 |
| TXU Energy Retail Company | Vistra Energy | consumer protection violation | 2004 | TX-PUC | $29,000 |
| PACIFIC GAS AND ELECTRIC COMPANY | PG&E Corp. | workplace safety or health violation | 2023 | OSHA | $29,000 |
| PSEG Power LLC | Public Service Enterprise | environmental violation | 2022 | EPA | $28,988 |
| Green Mountain Power Corporation | Energir | environmental violation | 2021 | EPA | $28,800 |
| Green Mountain Power Corporation | Energir | environmental violation | 2021 | EPA | $28,800 |
| AMERICAN WATER ENTERPRISES INC | American Water Works | environmental violation | 2017 | EPA | $28,800 |
| SCANA CORPORATION | Dominion Energy | environmental violation | 2011 | EPA | $28,596 |
| AmeriGas Propane Inc. | UGI Corp. | labor relations violation | 2011 | NLRB | $28,579 |
| TransAlta Centralia Generation. LLC | TransAlta | environmental violation | 2012 | EPA | $28,500 |
| Dolet Hills Lignite Company LLC | American Electric Power | workplace safety or health violation | 2009 | MSHA | $28,500 |
| Tampa Electric Company, a wholly owned subsidiary of TECO Energy, Inc., d/b/a TECO People Gas | Emera | labor relations violation | 2017 | NLRB | $28,458 |
| SUNRUN, INC. | Sunrun Inc. | workplace safety or health violation | 2022 | OSHA | $28,340 |
| Pacific Gas and Electric Co. et al. | PG&E Corp. | consumer protection violation | 2022 | CA-PUC | $28,203 |
| SOUTHERN CALIFORNIA EDISON | Edison International | workplace safety or health violation | 2007 | OSHA | $28,125 |
| Southern California Gas Company | Sempra Energy | air pollution violation | 2023 | CA-SCAQMD | $28,104 |
| NSTAR Electric Co. dba Eversource Energy | EverSource Energy | environmental violation | 2020 | EPA | $28,099 |
| Entergy Services, Inc. | Entergy | wage and hour violation | 2006 | WHD | $28,013 |
| GENON-CHALK POINT | NRG Energy | air pollution violation | 2011 | MD-ENV | $28,000 |
| The Cincinnati Gas & Electric Co. | Duke Energy | environmental violation | 2005 | OH-ENV | $28,000 |
| Liberty Utilities, New Hampshire Gas Division | Algonquin Power & Utilities | utility safety violation | 2017 | NH-PUC | $28,000 |
| GDF Suez | Engie | utility service violation | 2014 | TX-PUC | $28,000 |
| Direct Energy | NRG Energy | consumer protection violation | 2013 | TX-PUC | $28,000 |
| Washington Gas Light Company | AltaGas | utility safety violation | 2019 | VA-SCC | $28,000 |
| Columbia Gas of Virginia, Inc. | NiSource | utility safety violation | 2022 | VA-SCC | $28,000 |
| DUKE ENERGY | Duke Energy | workplace safety or health violation | 2015 | OSHA | $28,000 |
| Black Hills Energy | Black Hills Corp. | workplace safety or health violation | 2008 | MSHA | $27,900 |
| Columbia Gas of Virginia, Inc | NiSource | utility safety violation | 2012 | VA-SCC | $27,875 |
| Sempra Energy Solutions | Sempra Energy | air pollution violation | 2002 | CA-SCAQMD | $27,675 |
| Aqua Utilities, Inc. | Essential Utilities Inc. | environmental violation | 2018 | TX-ENV | $27,601 |
| CMS Energy | CMS Energy | environmental violation | 2003 | OK-ENV | $27,500 |
| Northern Utilities | Unitil Corporation | utility safety violation | 2005 | NH-PUC | $27,500 |
| AMEREN ILLINOIS COMPANY | Ameren | workplace safety or health violation | 2021 | OSHA | $27,306 |
| Atmos Energy Corporation | Atmos Energy | utility safety violation | 2006 | VA-SCC | $27,300 |
| Columbia Gas of Pennsylvania, Inc. | NiSource | labor relations violation | 2010 | NLRB | $27,210 |
| MINNKOTA POWER COOPERATIVE, INC. | Minnkota Power Cooperative | workplace safety or health violation | 2022 | OSHA | $27,151 |
| ALLEGHENY ENERGY SUPPLY CO LLC | FirstEnergy | environmental violation | 2005 | PA-ENV | $27,150 |
| ENERGY HARBOR GENERATION LLC | Vistra Energy | environmental violation | 2016 | PA-ENV | $27,000 |
| Liberty Utilities (EnergyNorth Natural Gas) Corp. d/b/a Liberty | Algonquin Power & Utilities | utility safety violation | 2021 | NH-PUC | $27,000 |
| Liberty Utilities (EnergyNorth Natural Gas) Corp. d/b/a Liberty | Algonquin Power & Utilities | utility safety violation | 2018 | NH-PUC | $27,000 |
| CENTERPOINT | CenterPoint Energy | utility service violation | 2016 | TX-PUC | $27,000 |
| Constellation Energy Commodities Group | Constellation Energy Corporation | utility service violation | 2014 | TX-PUC | $27,000 |
| Virginia Natural Gas, Inc. | Southern Company | utility safety violation | 2016 | VA-SCC | $27,000 |
| ONCOR ELECTRIC DELIVERY, LLC | Sempra Energy | workplace safety or health violation | 2019 | OSHA | $26,988 |
| FLORIDA PROGRESS, LLC | Duke Energy | workplace safety or health violation | 2020 | OSHA | $26,988 |
| LIBERTY UTILITIES (GRANITE STATE ELECTRIC) CORP. | Algonquin Power & Utilities | workplace safety or health violation | 2020 | OSHA | $26,988 |
| SUNRUN INSTALLATION SERVICES, INC. | Sunrun Inc. | workplace safety or health violation | 2022 | OSHA | $26,933 |
| CENTERPOINT ENERGY, INC. | CenterPoint Energy | workplace safety or health violation | 2020 | OSHA | $26,788 |
| TPI IOWA INC | TPI Composites | environmental violation | 2014 | EPA | $26,758 |
| ALLEGHENY ENERGY SUPPLY LLC | FirstEnergy | environmental violation | 2008 | PA-ENV | $26,645 |
| Green Plains Mount Vernon LLC | Green Plains Inc. | air pollution violation | 2024 | IN-ENV | $26,600 |
| Public Service Company of Colorado d/b/a Xcel Energy | Xcel Energy | labor relations violation | 2006 | NLRB | $26,580 |
| CENTRAL HUDSON GAS & ELECTRIC CORPORATION | Fortis | workplace safety or health violation | 2018 | OSHA | $26,520 |
| Public Service Company of Colorado (d/b/a Xcel Energy) | Xcel Energy | labor relations violation | 2006 | NLRB | $26,508 |
| Amerigas Propane L.P. | UGI Corp. | air pollution violation | 2005 | CA-SCAQMD | $26,400 |
| PACIFIC GAS AND ELECTRIC COMPANY | PG&E Corp. | workplace safety or health violation | 2023 | OSHA | $26,285 |
| Mississippi Power Co. | Southern Company | water pollution violation | 2023 | MS-ENV | $26,250 |
| Baltimore Gas & Electric | Exelon | labor relations violation | 2001 | NLRB | $26,187 |
| VIVINT SOLAR, INC | Sunrun Inc. | workplace safety or health violation | 2019 | OSHA | $26,048 |
| WASKOM GAS PROCESSING COMPANY | CenterPoint Energy | workplace safety or health violation | 2013 | OSHA | $26,000 |
| SOUTHCROSS ENERGY PARTNERS GP, LLC | Southcross Energy Partners | workplace safety or health violation | 2016 | OSHA | $25,942 |
| PORTLAND GENERAL ELECTRIC COMPANY | Portland General Electric | workplace safety or health violation | 2018 | OSHA | $25,900 |
| PACIFIC GAS AND ELECTRIC CO. | PG&E Corp. | workplace safety or health violation | 2021 | OSHA | $25,860 |
| FPL Energy Wyman LLC | NextEra Energy | air pollution violation | 2012 | ME-ENV | $25,825 |
