| DTE GAS COMPANY | DTE Energy | environmental violation | 2016 | PHMSA | $31,800 |
| Shenango Incorporated | DTE Energy | wage and hour violation | 2010 | WHD | $15,570 |
| Detroit Edison | DTE Energy | labor relations violation | 2006 | NLRB | $46,093 |
| Detroit Edison | DTE Energy | environmental violation | 2001 | MI-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $450,000 |
| DTE Energy | DTE Energy | environmental violation | 2020 | EPA | $7,300,000 |
| SHENANGO LLC | DTE Energy | environmental violation | 2014 | PA-ENV | $300,000 |
| SHENANGO LLC | DTE Energy | environmental violation | 2014 | PA-ENV | $74,250 |
| SHENANGO LLC | DTE Energy | environmental violation | 2013 | PA-ENV | $24,725 |
| SHENANGO LLC | DTE Energy | environmental violation | 2013 | PA-ENV | $25,475 |
| SHENANGO LLC | DTE Energy | environmental violation | 2013 | PA-ENV | $16,250 |
| SHENANGO LLC | DTE Energy | environmental violation | 2013 | PA-ENV | $16,250 |
| SHENANGO LLC | DTE Energy | environmental violation | 2012 | PA-ENV | $625,000 |
| SHENANGO INC | DTE Energy | environmental violation | 2012 | PA-ENV | $328,700 |
| SHENANGO INC | DTE Energy | environmental violation | 2005 | PA-ENV | $110,000 |
| SHENANGO INC | DTE Energy | environmental violation | 2005 | PA-ENV | $200,000 |
| DTE Electric Company | DTE Energy | environmental violation | 2015 | MI-ENV | $16,619 |
| DETROIT EDISON CO | DTE Energy | environmental violation | 2009 | MI-ENV | $8,500 |
| DTE Gas Company | DTE Energy | utility safety violation | 2021 | MI-PSC | $5,000 |
| DTE Electric Company | DTE Energy | utility safety violation | 2021 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $5,000 |
| DTE Electric Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $9,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2020 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $5,000 |
| DTE Electric | DTE Energy | utility administrative violation | 2019 | MI-PSC | $307,500 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $60,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $60,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $20,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $5,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $50,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $50,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2019 | MI-PSC | $10,000 |
| DTE Energy Company | DTE Energy | consumer protection violation | 2018 | MI-PSC | $840,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2018 | MI-PSC | $15,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2018 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2018 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2018 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2017 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2017 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2017 | MI-PSC | $10,000 |
| DTE Gas Company | DTE Energy | utility safety violation | 2017 | MI-PSC | $10,000 |
| Detroit Edison | DTE Energy | utility administrative violation | 2007 | MI-PSC | $50,000 |
| Detroit Edison | DTE Energy | utility service violation | 2007 | MI-PSC | $50,000 |
| Detroit Edison | DTE Energy | consumer protection violation | 2006 | MI-PSC | $105,000 |
| Detroit Edison | DTE Energy | utility administrative violation | 2005 | MI-PSC | $95,000 |
| DTE | DTE Energy | utility administrative violation | 2005 | MI-PSC | $975,000 |
| Detroit Edison | DTE Energy | utility administrative violation | 2005 | MI-PSC | $20,000 |
| Detroit Edison | DTE Energy | consumer protection violation | 2004 | MI-PSC | $15,300 |
| MICHIGAN CONSOLIDATED GAS COMPANY | DTE Energy | utility safety violation | 2003 | MI-PSC | $41,000 |
| MICHIGAN CONSOLIDATED GAS COMPANY | DTE Energy | utility safety violation | 2003 | MI-PSC | $5,000 |
| MICHIGAN CONSOLIDATED GAS COMPANY | DTE Energy | utility safety violation | 2003 | MI-PSC | $36,000 |
| Shenango Incorporated | DTE Energy | environmental violation | 2016 | PA-ACHD | $200,000 |
| Shenango Incorporated | DTE Energy | environmental violation | 2014 | PA-ACHD | $600,000 |
| DETROIT EDISON CO | DTE Energy | workplace safety or health violation | 2001 | OSHA | $5,000 |
| DTE ENERGY MONROE POWER PLT | DTE Energy | workplace safety or health violation | 2005 | OSHA | $8,590 |
| DTE PONTIAC SERVICE CTR | DTE Energy | workplace safety or health violation | 2009 | OSHA | $5,000 |
| DTE ENERGY CO | DTE Energy | workplace safety or health violation | 2014 | OSHA | $45,000 |
| DTE MONROE POWER PLT | DTE Energy | workplace safety or health violation | 2014 | OSHA | $5,600 |
| SHENANGO INCORPORATED | DTE Energy | workplace safety or health violation | 2012 | OSHA | $7,000 |
| DTE ENERGY COMPANY | DTE Energy | workplace safety or health violation | 2018 | OSHA | $14,000 |
| DTE ENERGY | DTE Energy | workplace safety or health violation | 2021 | OSHA | $14,000 |
| DTE | DTE Energy | workplace safety or health violation | 2021 | OSHA | $7,000 |
| DTE | DTE Energy | workplace safety or health violation | 2021 | OSHA | $21,000 |
| SHENANGO, INCORPORATED | DTE Energy | environmental violation | 2000 | EPA | $2,100,000 |
| SHENANGO INCORPORATED | DTE Energy | environmental violation | 2000 | EPA | $18,246 |
| SHENANGO INCORPORATED (CAA/CWA) | DTE Energy | environmental violation | 2012 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $1,750,000 |
| DETROIT EDISON (CONNERS CREEK) | DTE Energy | environmental violation | 2001 | EPA | $450,000 |
| Detroit Edison Co. (River Rouge) | DTE Energy | environmental violation | 2007 | EPA | $52,333 |
| DETROIT EDISON | DTE Energy | environmental violation | 2020 | EPA | $1,800,000 |
| DTE ELECTRIC COMPANY - MONROE POWER PLANT | DTE Energy | environmental violation | 2018 | EPA | $120,000 |
| DTE - ELECTRIC COMPANY TRENTON CHANNEL | DTE Energy | environmental violation | 2019 | EPA | $120,133 |
| Duke Energy | Duke Energy | environmental violation | 2015 | EPA | $5,375,000 |
| Duke Energy | Duke Energy | environmental violation | 2014 | EPA | $3,000,000 |
| Progress Energy-Carolina, Incorporated | Duke Energy | railroad safety violation | 2011 | FRA | $8,700 |
| Duke Energy Corporation | Duke Energy | environmental violation | 2015 | EPA | $102,000,000 |
| Duke Energy Renewables Inc. | Duke Energy | environmental violation | 2013 | FWS | $1,000,000 |
| DEGS of Narrows LLC | Duke Energy | environmental violation | 2010 | EPA | $310,000 |
| Duke Energy Trading and Marketing, L.L.C. | Duke Energy | price-fixing or anti-competitive practices | 2003 | CFTC | $28,000,000 |
| Piedmont Natural Gas Co. Inc. | Duke Energy | energy market violation | 2009 | FERC | $1,250,000 |
| Progress Energy Inc. | Duke Energy | energy market violation | 2005 | FERC | $6,400,000 |
| Duke Energy | Duke Energy | price-fixing or anti-competitive practices | 2003 | FERC | $2,500,000 |
| Duke Energy | Duke Energy | environmental violation | 2009 | EPA | $93,000,000 |
| Cinergy Corporation | Duke Energy | environmental violation | 2000 | EPA | $1,430,000,000 |
| Duke Energy | Duke Energy | nuclear safety violation | 2004 | NRC | $60,000 |
| Carolina Power & Light Company | Duke Energy | nuclear safety violation | 2004 | NRC | $88,000 |
| DUKE ENERGY FLORIDA LLC D/B/A DUKE ENERGY | Duke Energy | environmental violation | 2003 | PHMSA | $5,000 |
| Duke Energy Carolinas, LLC | Duke Energy | energy market violation | 2011 | FERC | $425,000 |
| Progress Energy Florida, Inc., | Duke Energy | energy market violation | 2013 | FERC | $80,000 |
| Duke Energy Corporation | Duke Energy | investor protection violation | 2017 | DOJ_ANTITRUST | $600,000 |
| Duke Energy Beckjord LLC | Duke Energy | environmental violation | 2016 | EPA | $1,100,000 |
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