| AEP Central | American Electric Power | utility service violation | 2017 | TX-PUC | $20,000 |
| CenterPoint | CenterPoint Energy | utility service violation | 2017 | TX-PUC | $23,000 |
| EDF Energy Services, LLC | EDF-Electricite de France | utility service violation | 2017 | TX-PUC | $190,000 |
| Direct Energy LP | NRG Energy | consumer protection violation | 2017 | TX-PUC | $70,000 |
| SWEPCO | American Electric Power | utility service violation | 2017 | TX-PUC | $29,000 |
| EDF Energy Trading | EDF-Electricite de France | utility service violation | 2017 | TX-PUC | $100,000 |
| Luminant Energy Company LLC | Vistra Energy | utility service violation | 2017 | TX-PUC | $170,000 |
| Oncor Electric Delivery Company LLC | Sempra Energy | utility service violation | 2017 | TX-PUC | $288,500 |
| GDF Suez Energy Marketing N.A., Inc. GPSPS | Engie | utility service violation | 2017 | TX-PUC | $1,115,000 |
| Washington Gas Light Company | AltaGas | utility safety violation | 2017 | VA-SCC | $7,000 |
| Washington Gas Light Company | AltaGas | utility safety violation | 2017 | VA-SCC | $62,000 |
| Washington Gas Light Company | AltaGas | utility safety violation | 2017 | VA-SCC | $5,500 |
| Columbia Gas of Virginia, Inc | NiSource | utility safety violation | 2017 | VA-SCC | $92,000 |
| Washington Gas Light Company | AltaGas | utility safety violation | 2017 | VA-SCC | $205,000 |
| Washington Gas Light Company | AltaGas | utility safety violation | 2017 | VA-SCC | $24,000 |
| Puget Sound Energy | Puget Sound Energy | utility safety violation | 2017 | WA-UTC | $1,500,000 |
| Aqua North Carolina Inc | Essential Utilities Inc. | environmental violation | 2017 | NC-ENV | $15,037 |
| Aqua North Carolina Inc | Essential Utilities Inc. | environmental violation | 2017 | NC-ENV | $6,039 |
| Aqua North Carolina Inc | Essential Utilities Inc. | environmental violation | 2017 | NC-ENV | $5,662 |
| Aqua North Carolina Inc | Essential Utilities Inc. | environmental violation | 2017 | NC-ENV | $6,787 |
| American Electric Power Company Inc. | American Electric Power | price-fixing or anti-competitive practices | 2017 | private lawsuit-federal | $9,400,000 |
| CMS Energy Resources Management | CMS Energy | price-fixing or anti-competitive practices | 2017 | private lawsuit-federal | $5,125,000 |
| Duke Energy Trading and Marketing L.L.C. | Duke Energy | price-fixing or anti-competitive practices | 2017 | private lawsuit-federal | $9,400,000 |
| PECO ENERGY COMPANY | Exelon | workplace safety or health violation | 2017 | OSHA | $12,934 |
| MASSACHUSETTS ELECTRIC COMPANY | National Grid | workplace safety or health violation | 2017 | OSHA | $12,675 |
| AQUA ILLINOIS, INC. | Essential Utilities Inc. | workplace safety or health violation | 2017 | OSHA | $8,873 |
| NEXTERA ENERGY, INC. | NextEra Energy | workplace safety or health violation | 2017 | OSHA | $12,675 |
| SUNRUN INSTALLATION SERVICES, INC. | Sunrun Inc. | workplace safety or health violation | 2017 | OSHA | $5,060 |
| NEXTERA ENERGY, INC. | NextEra Energy | workplace safety or health violation | 2017 | OSHA | $6,500 |
| PACIFIC GAS AND ELECTRIC | PG&E Corp. | workplace safety or health violation | 2017 | OSHA | $18,000 |
| COMMONWEALTH EDISON COMPANY DBA COMED | Exelon | workplace safety or health violation | 2017 | OSHA | $12,675 |
| SPX TRANSFORMER SOLUTIONS, INC. | Prolec GE | workplace safety or health violation | 2017 | OSHA | $5,975 |
| PACIFIC GAS & ELECTRIC COMPANY | PG&E Corp. | workplace safety or health violation | 2017 | OSHA | $9,800 |
| DRESSER-RAND COMPANY | Siemens Energy | workplace safety or health violation | 2017 | OSHA | $12,676 |
| XCEL ENERGY | Xcel Energy | workplace safety or health violation | 2017 | OSHA | $7,696 |
| THE UNITED ILLUMINATING COMPANY | Iberdrola | workplace safety or health violation | 2017 | OSHA | $8,800 |
| ALABAMA POWER COMPANY | Southern Company | workplace safety or health violation | 2017 | OSHA | $10,158 |
| COMMONWEALTH EDISON COMPANY | Exelon | workplace safety or health violation | 2017 | OSHA | $8,240 |
| ROCHESTER GAS & ELECTRIC CORP. | Iberdrola | workplace safety or health violation | 2017 | OSHA | $7,500 |
| VIVINT SOLAR, INC. | Sunrun Inc. | workplace safety or health violation | 2017 | OSHA | $12,675 |
| PRAIRIE STATE GENERATING COMPANY, LLC | Prairie State Generating | workplace safety or health violation | 2017 | OSHA | $12,548 |
| TAMPA ELECTRIC COMPANY | Emera | workplace safety or health violation | 2017 | OSHA | $18,108 |
| SOUTHERN CALIFORNIA EDISON COMPANY | Edison International | workplace safety or health violation | 2017 | OSHA | $8,435 |
| TAMPA ELECTRIC COMPANY | Emera | workplace safety or health violation | 2017 | OSHA | $139,424 |
| NATIONAL GRID PLC | National Grid | workplace safety or health violation | 2017 | OSHA | $12,500 |
| NATIONAL GRID | National Grid | workplace safety or health violation | 2017 | OSHA | $9,000 |
| AMERIGAS PROPANE LP | UGI Corp. | workplace safety or health violation | 2017 | OSHA | $5,385 |
| INVENERGY LLC | Invenergy | workplace safety or health violation | 2017 | OSHA | $18,108 |
| IBERDROLA ENERGY PROJECTS INC | Iberdrola | workplace safety or health violation | 2017 | OSHA | $6,000 |
| PSE&G | Public Service Enterprise | workplace safety or health violation | 2017 | OSHA | $12,934 |
| FIRSTENERGY GENERATION LLC | FirstEnergy | workplace safety or health violation | 2017 | OSHA | $65,964 |
| VIVINT SOLAR, INC | Sunrun Inc. | workplace safety or health violation | 2017 | OSHA | $136,708 |
| EVERSOURCE ENERGY | EverSource Energy | workplace safety or health violation | 2017 | OSHA | $6,337 |
| PACIFIC GAS & ELECTRIC COMPANY | PG&E Corp. | workplace safety or health violation | 2017 | OSHA | $11,250 |
| SOUTHERN CALIFORNIA GAS COMPANY | Sempra Energy | workplace safety or health violation | 2017 | OSHA | $22,950 |
| TAMPA ELECTRIC COMPANY | Emera | workplace safety or health violation | 2017 | OSHA | $50,700 |
| CALIFORNIA WATER SERVICE COMPANY | California Water Service Group | workplace safety or health violation | 2017 | OSHA | $5,250 |
| NORTHERN STATES POWER COMPANY DBA XCEL ENERGY | Xcel Energy | workplace safety or health violation | 2017 | OSHA | $9,400 |
| AMERICAN ELECTRIC POWER | American Electric Power | workplace safety or health violation | 2017 | OSHA | $5,612 |
| VIVINT SOLAR DEVELOPER LLC | Sunrun Inc. | workplace safety or health violation | 2017 | OSHA | $18,000 |
| TPI COMPOSITES IOWA LLC | TPI Composites | workplace safety or health violation | 2017 | OSHA | $99,000 |
| Consolidated Edison Company of New York, Inc. | Consolidated Edison | PCB violation | 2017 | EPA | $82,275 |
| POTOMAC ELECTRIC POWER COMPANY (PEPCO) | Exelon | water pollution violation | 2017 | EPA | $3,205,429 |
| POTOMAC ELECTRIC POWER COMPANY | Exelon | hazardous waste violation | 2017 | EPA | $54,000 |
| EES COKE BATTERY, LLC | DTE Energy | air pollution violation | 2017 | EPA | $154,000 |
| EES Coke Battery, LLC | DTE Energy | water pollution violation | 2017 | EPA | $165,000 |
| EES Coke Battery, LLC | DTE Energy | hazardous waste violation | 2017 | EPA | $45,261 |
| AMERICAN WATER ENTERPRISES INC | American Water Works | water pollution violation | 2017 | EPA | $28,800 |
| Blue Mountain Energy Inc | Deseret Generation & Transmission Cooperative | workplace safety or health violation | 2017 | MSHA | $6,896 |
| Prairie State Generating Company LLC | Prairie State Generating | workplace safety or health violation | 2017 | MSHA | $8,994 |
| Luminant Mining Company LLC | Vistra Energy | workplace safety or health violation | 2017 | MSHA | $5,862 |
| Berkshire Power Company LLC and Power Plant Management Services LLC | Tenaska | price-fixing or anti-competitive practices | 2016 | FERC | $3,042,563 |
| DTE GAS COMPANY | DTE Energy | pipeline safety violation | 2016 | PHMSA | $31,800 |
| DOMINION CAROLINA GAS TRANSMISSION LLC | Dominion Energy | pipeline safety violation | 2016 | PHMSA | $46,400 |
| Georgia Power Co. | Southern Company | employment discrimination | 2016 | EEOC | $1,586,500 |
| ABB, Inc. | ABB Ltd. | wage and hour violation | 2016 | WHD | $10,349 |
| Duke Energy Beckjord LLC | Duke Energy | water pollution violation | 2016 | EPA | $1,100,000 |
| AmeriGas Propane, Inc. | UGI Corp. | labor relations violation | 2016 | NLRB | $13,222 |
| Rochester Gas & Electric Corporation | Iberdrola | labor relations violation | 2016 | NLRB | $114,083 |
| Ormat Technologies Inc. et al. | Ormat Technologies | False Claims Act and related | 2016 | USAO | $5,500,000 |
| Duke Energy Carolinas LLC | Duke Energy | environmental violation | 2016 | USAO | $1,700,000 |
| Berkshire Power Co. | Tenaska | air pollution violation | 2016 | USAO | $3,500,000 |
| Virginia Electric & Power Co. | Dominion Energy | motor vehicle safety violation | 2016 | FMCSA | $5,100 |
| Berkshire Power Co. | Tenaska | air pollution violation | 2016 | MA-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $3,500,000 |
| National Grid | National Grid | consumer protection violation | 2016 | MA-AG | $1,500,000 |
| NRG Chalk Point LLC | NRG Energy | environmental violation | 2016 | MD-AG | $1,000,000 |
| Peoples Gas Light and Coke Co. | WEC Energy Group | consumer protection violation | 2016 | IL-AG | $18,750,000 |
| Southern California Gas Co. | Sempra Energy | environmental violation | 2016 | CA-LACDA | $4,000,000 |
| Pacific Gas & Electric Company | PG&E Corp. | environmental violation | 2016 | CA-SONDA | $120,000 |
| One Gas Inc. | ONE Gas Inc. | wage and hour violation | 2016 | WHD | $5,532 |
| Constellation New Energy | Constellation Energy Corporation | air pollution violation | 2016 | CA-ARB | $149,200 |
| Thomas & Betts Corp. | ABB Ltd. | environmental violation | 2016 | CA-DTSC | $625,000 |
| Southern California Edison | Edison International | water pollution violation | 2016 | CA-WAT | $3,000,000 |
| California Water Service Company | California Water Service Group | water pollution violation | 2016 | CA-WAT | $1,000,000 |
| ILLINOIS AMERICAN WATER CO | American Water Works | water pollution violation | 2016 | IL-ENV | $20,000 |
| AMEREN ENERGY RESOURCES GENERATING CO. | Ameren | environmental violation | 2016 | IL-ENV | $60,000 |
| INDIANA MICHIGAN POWER CO DBA AMERICAN ELECTRIC POWER | American Electric Power | air pollution violation | 2016 | IN-ENV | $7,000 |
| VECTREN CORP F B CULLEY GENERATING STA | CenterPoint Energy | air pollution violation | 2016 | IN-ENV | $6,250 |
| VECTREN CORP - SIGECO A B BROWN GEN STA | CenterPoint Energy | air pollution violation | 2016 | IN-ENV | $24,150 |
| EAST KENTUCKY POWER COOPERATIVE, INC. | East Kentucky Power Cooperative | water pollution violation | 2016 | KY-ENV | $5,600 |
| Entergy Louisiana, LLC | Entergy | environmental violation | 2016 | LA-ENV | $20,000 |
