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Violation Tracker Current Parent Company Summary
Current Parent Company Name: Ameren
Ownership Structure: publicly traded (ticker symbol AEE)
Headquartered in: Missouri
Major Industry: utilities and power generation
Specific Industry: utilities
Penalty total since 2000: $224,566,935
Number of records: 29
| Top 5 Offense Groups (Groups Defined) | Penalty Total | Number of Records |
| safety-related offenses | $181,262,990 | 11 |
| environment-related offenses | $27,652,616 | 12 |
| competition-related offenses | $15,000,000 | 1 |
| employment-related offenses | $651,329 | 5 |
| Top 5 Primary Offense Types | Penalty Total | Number of Records |
| utility safety violation | $181,161,750 | 7 |
| environmental violation | $27,560,145 | 9 |
| energy market violation | $15,000,000 | 1 |
| employment discrimination | $559,000 | 1 |
| labor relations violation | $92,329 | 4 |
Notes: Parent-subsidiary linkages are based on relationships current as of the latest revision listed in the
Update Log, which may vary from what was the case when a violation occurred. The penalty totals are adjusted to account for the fact that the individual entries below may include both agency records and settlement announcements for the same case; or else a penalty covering multiple locations may be listed in the individual records for each of the facilities. The totals are also adjusted to reflect cases in which federal and state or local agencies cooperated and issued separate announcements of the outcome. Duplicate or overlapping penalty amounts are marked with an asterisk in the list below.
Links: For a summary of this company's regulatory penalties in more than 50 other countries, see its Violation Tracker Global summary page
here.
Subsidy Tracker data on financial assistance to this company by federal, state and local government agencies can be found
here.
Individual Penalty Records:
Click on the company or penalty amount for more information on each case.
| Company | Primary Offense Type | Year | Agency | Penalty Amount  |
| Ameren | utility safety violation | 2007 | MO-AG | $179,750,000 |
| Illinois Power Co. and Dynergy Midwest Generation | environmental violation | 2005 | IL-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $24,000,000 |
| ILLINOIS POWER COMPANY | environmental violation | 2005 | EPA | $24,000,000 |
| AmerenUE | energy market violation | 2006 | FERC | $15,000,000 |
| AmerenUE | environmental violation | 2005 | MO-AG | $3,400,000 |
| Ameren-CILCO | utility safety violation | 2011 | IL-ICC | $600,000 |
| Illinois Power | employment discrimination | 2002 | private lawsuit-federal | $559,000 |
| Ameren Illinois Co. | utility safety violation | 2022 | IL-ICC | $418,000 |
| Ameren Illinois Co. | utility safety violation | 2022 | IL-ICC | $227,250 |
| Ameren-CILCO | utility safety violation | 2013 | IL-ICC | $100,000 |
| AMEREN ENERGY RESOURCES GENERATING CO. | solid waste violation | 2016 | IL-ENV | $60,000 |
| Union Electric Company | nuclear safety violation | 2001 | NRC | $55,000 |
| Ameren/CIPS | environmental violation | 2001 | IL-AG | $50,000 |
| Central Illinois Public Service Company | labor relations violation | 2001 | NLRB | $45,437 |
| Ameren Corp., Ameren UE | environmental violation | 2006 | EPA | $39,270 |
| Ameren-CILCO | utility safety violation | 2014 | IL-ICC | $35,000 |
| Ameren Illinois Co. | utility safety violation | 2022 | IL-ICC | $31,500 |
| Ameren Corporation | environmental violation | 2002 | EPA | $29,875 |
| AMEREN ILLINOIS COMPANY | workplace safety or health violation | 2021 | OSHA | $27,306 |
| ILLINOIS POWER COMPANY | environmental violation | 2000 | EPA | $25,000 |
| Illinois Power Company | labor relations violation | 2000 | NLRB | $20,000 |
| UNION ELECTRIC | solid waste violation | 2007 | IL-ENV | $20,000 |
| Ameren Corporation d/b/a AmerenUE | labor relations violation | 2005 | NLRB | $18,000 |
| UNION ELECTRIC CO. dba Ameren Missouri | air pollution violation | 2024 | MO-ENV | $12,471 |
| AMEREN ILLINOIS | workplace safety or health violation | 2019 | OSHA | $11,934 |
| Union Electric Co dba Ameren Missouri | environmental violation | 2023 | MO-ENV | $10,500 |
| Union Electric Company | labor relations violation | 2000 | NLRB | $8,892 |
| AMEREN UE | workplace safety or health violation | 2006 | OSHA | $7,000 |
| Ameren IP and Illinois Power Company | environmental violation | 2006 | EPA | $5,500 |
