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Violation Tracker Current Parent Company Summary

Current Parent Company Name: EverSource Energy
Ownership Structure: publicly traded (ticker symbol ES)
Headquartered in: Massachusetts
Major Industry: utilities and power generation
Specific Industry: utilities
Penalty total since 2000: $378,811,318
Number of records: 73
Top 5 Offense Groups (Groups Defined)Penalty TotalNumber of Records
safety-related offenses$200,876,34444
consumer-protection-related offenses$98,475,0007
environment-related offenses$62,589,32716
employment-related offenses$16,870,6476
Top 5 Primary Offense TypesPenalty TotalNumber of Records
utility safety violation$200,425,00026
consumer protection violation$92,400,0005
environmental violation$62,589,32716
benefit plan administrator violation$15,000,0001
utility service violation$6,075,0002
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: 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.

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CompanyPrimary Offense Type sort iconYearAgencyPenalty Amount
CONNECTICUT LIGHT & POWER COMPANYworkplace safety or health violation2000OSHA$10,000
PUBLIC SERVICE COMPANY OF NEW HAMPSHIREworkplace safety or health violation2000OSHA$14,000
NORTHEAST GENERATION SERVICES COMPANY, INC.workplace safety or health violation2003OSHA$123,000
NORTHEAST GENERATION SERVICESworkplace safety or health violation2004OSHA$8,806
YANKEE ENERGY SERVICESworkplace safety or health violation2005OSHA$6,000
CONNECTICUT LIGHT & POWERworkplace safety or health violation2006OSHA$8,000
CONNECTICUT LIGHT & POWER COMPANYworkplace safety or health violation2006OSHA$11,200
NORTHEAST GENERATION SERVICESworkplace safety or health violation2005OSHA$5,000
WESTERN MASSACHUSETTS ELECTRIC COMPANYworkplace safety or health violation2011OSHA$7,000
NSTAR ELECTRIC & GAS CORPORATIONworkplace safety or health violation2010OSHA$10,000
NSTAR ELECTRIC & GAS CORP.workplace safety or health violation2010OSHA$14,400
CONNECTICUT LIGHT AND POWER COMPANYworkplace safety or health violation2010OSHA$6,000
THE CONNECTICUT LIGHT AND POWER COMPANYworkplace safety or health violation2015OSHA$10,500
EVERSOURCE ENERGYworkplace safety or health violation2017OSHA$6,337
THE CONNECTICUT LIGHT AND POWER COMPANYworkplace safety or health violation2018OSHA$18,000
EVERSOURCE ENERGY SERVICE COMPANYworkplace safety or health violation2019OSHA$13,494
EVERSOURCE ENERGY SERVICE COMPANYworkplace safety or health violation2022OSHA$20,078
NSTAR ELECTRICworkplace safety or health violation2022OSHA$159,529
Eversource Energy Service Co.wage and hour violation2019MA-AG$250,000
NSTARutility service violation2012MA-DPU$4,075,000
Western Massachusetts Electric Companyutility service violation2012MA-DPU$2,000,000
Yankee Gas Servicesutility safety violation2019CT-PURA$80,000
Yankee Gas Servicesutility safety violation2019CT-PURA$75,000
Yankee Gas Servicesutility safety violation2019CT-PURA$60,000
Yankee Gas Servicesutility safety violation2018CT-PURA$10,000
Yankee Gas Servicesutility safety violation2017CT-PURA$75,000
Yankee Gas Servicesutility safety violation2016CT-PURA$50,000
Yankee Gas Servicesutility safety violation2016CT-PURA$60,000
Yankee Gas Servicesutility safety violation2016CT-PURA$10,000
Yankee Gas Servicesutility safety violation2015CT-PURA$10,000
Yankee Gas Servicesutility safety violation2015CT-PURA$60,000
Yankee Gas Servicesutility safety violation2015CT-PURA$25,000
Yankee Gas Servicesutility safety violation2015CT-PURA$25,000
Yankee Gas Servicesutility safety violation2013CT-PURA$20,000
Yankee Gas Servicesutility safety violation2013CT-PURA$150,000
Yankee Gas Servicesutility safety violation2004CT-PURA$75,000
NSTAR Gas Company d/b/a Eversource Energyutility safety violation2020MA-DPU$10,000
Columbia Gas of Massachusettsutility safety violation2020MA-DPU$56,000,000
NSTAR Gas Company d/b/a Eversource Energyutility safety violation2020MA-DPU$50,000
Bay State Gas Company d/b/a Columbia Gas of Massachusettsutility safety violation2020MA-DPU$50,000
Bay State Gas Company d/b/a Columbia Gas of Massachusettsutility safety violation2020MA-DPU$50,000
Bay State Gas Company d/b/a Columbia Gas of Massachusettsutility safety violation2020MA-DPU$300,000
Bay State Gas Company d/b/a Columbia Gasutility safety violation2020MA-DPU$75,000
Bay State Gas Company d/b/a Columbia Gasutility safety violation2020MA-DPU$10,000
NSTAR Gas Company d/b/a Eversource Energyutility safety violation2020MA-DPU$20,000
Bay State Gas Company d/b/a Columbia Gasutility safety violation2019MA-DPU$75,000
Columbia Gasutility safety violation2020private lawsuit-state$143,000,000
NSTAR Gas & Electric Companylabor relations violation2009NLRB$1,500,000
Bay State Gas Companylabor relations violation2008NLRB$12,000
Yankee Gaslabor relations violation2007NLRB$90,000
Western Massachusetts Electric Companylabor relations violation2006NLRB$18,647
HOPKINTON LNG COenvironmental violation2012PHMSA$19,688
Boston Edison Co.environmental violation2006MA-AG$8,600,000
Bay State Gas Company, d/b/a Columbia Gas of Massachusettsenvironmental violation2020USAO$53,030,116
The Connecticut Light and Power Company dba Eversource Energyenvironmental violation2018CT-ENV$115,000
The Connecticut Light and Power Companyenvironmental violation2000CT-ENV$90,000
The Connecticut Light and Power Companyenvironmental violation2000CT-ENV$275,000
Public Service Company of New Hampshireenvironmental violation2010NH-ENV$53,000
CONNECTICUT LIGHT & POWER COenvironmental violation2000EPA$72,930
NSTARenvironmental violation2004EPA$84,215
Yankee Atomic Electric Coenvironmental violation2006EPA$48,750
CT LIGHT & POWERenvironmental violation2010EPA$18,060
CONNECTICUT LIGHT AND POWER COMPANYenvironmental violation2010EPA$6,140
EVERSOURCE ENERGYenvironmental violation2016EPA$47,000
NSTAR Electric Co. dba Eversource Energyenvironmental violation2020EPA$43,636
NSTAR Electric Co. dba Eversource Energyenvironmental violation2020EPA$28,099
NSTAR Electric Co. dba Eversource Energyenvironmental violation2020EPA$57,693
Bay State Gas Company dba Columbia Gas of Massachusettsconsumer protection violation2013MA-AG$8,900,000
Connecticut Light & Powerconsumer protection violation2006CT-AG$8,000,000
NSTAR Gas & Electric Co.consumer protection violation2015MA-AG$44,700,000
Eversourceconsumer protection violation2021CT-AG$29,000,000
Eversourceconsumer protection violation2022CT-AG$1,800,000
Eversource Energy Service Companybenefit plan administrator violation2023private lawsuit-federal$15,000,000
(*): Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting.