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Violation Tracker UK Parent Industry Summary Page

Parent Industry: utilities and power generation
Penalty Total since 2010: £954,066,828
Number of Cases: 1,395
Note: The totals include only those entries matched to a parent company. The industry designation is the primary one for the parent's operations overall.
Top 10 Parent CompaniesPenalty TotalNumber of Cases
National Grid£182,381,94715
Thames Water Utilities Ltd.£178,978,694100
Kelda Group£109,188,22895
E.ON£99,256,78325
Drax Group PLC£63,321,4519
Centrica£45,553,89428
Cadent Gas Limited£44,000,00011
Dwr Cymru Cyfyngedig (Welsh Water)£40,628,298238
Iberdrola£34,797,46710
SSE PLC£32,620,59832

Individual Penalty Cases:

Click on the company or penalty amount for more information on each case. Click on the parent name to reach the summary page for that parent company.

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CompanyParentOffence TypeYearAgencyPenalty Amount sort icon
National Grid Electricity Transmission plc and Scottish Power Transmission plcNational Gridconsumer protection violation2021UK-OFGEM£158,000,000
Thames Water Utilities LimitedThames Water Utilities Ltd.water services violation2018UK-OFWAT£120,000,000
Yorkshire WaterKelda Groupwater services violation2022UK-OFWAT£100,000,000
Cadent Gas LimitedCadent Gas Limitedenergy market violation2019UK-OFGEM£44,000,000
Welsh WaterDwr Cymru Cyfyngedig (Welsh Water)water services violation2024UK-OFWAT£40,000,000
npower Limited et al.E.ONconsumer protection violation2016UK-OFGEM£26,000,000
Drax Power LimitedDrax Group PLCenergy market violation2024UK-OFGEM£25,000,000
Drax PowerLimitedDrax Group PLCenergy market violation2015UK-OFGEM£25,000,000
ScottishPower Energy Retail LimitedIberdrolaconsumer protection violation2016UK-OFGEM£18,000,000
Western Power DistributionNational Gridconsumer protection violation2022UK-OFGEM£14,900,000
E.ON NextE.ONconsumer protection violation2024UK-OFGEM£14,500,000
E.ON Energy Solutions LimitedE.ONconsumer protection violation2014UK-OFGEM£12,000,001
Thames WaterThames Water Utilities Ltd.water services violation2021UK-OFWAT£11,000,000
British GasCentricaenergy market violation2015UK-OFGEM£10,600,000
SSE Energy Supply Limited and Southern Electric Gas LimitedSSE PLCconsumer protection violation2013UK-OFGEM£10,500,000
SSE Generation LimitedSSE PLCenergy market violation2023UK-OFGEM£9,780,000
British Gas Trading LimitedCentricaconsumer protection violation2017UK-OFGEM£9,500,000
Thames Water Utilities Ltd.Thames Water Utilities Ltd.water pollution violation2017UK-EA£9,000,000
Ovo Gas Limited and Ovo Electricity LimitedOVO Energyconsumer protection violation2020UK-OFGEM£8,876,500
Scottish Power Energy Retail LimitedIberdrolaconsumer protection violation2013UK-OFGEM£8,500,001
Thames Water Utilities Ltd.Thames Water Utilities Ltd.water pollution violation2017UK-EA£8,000,000
National Grid Gas plcNational Gas Transmission PLCenergy market violation2011UK-OFGEM£8,000,000
E.ON Energy Solutions LimitedE.ONconsumer protection violation2015UK-OFGEM£7,750,000
Opus EnergyDrax Group PLCconsumer protection violation2024UK-OFGEM£7,060,000
E.ON UK Plc and E.ON Energy Solutions Ltd.E.ONenergy market violation2015UK-OFGEM£7,000,000
Thames Water Utilities LimitedThames Water Utilities Ltd.water services violation2014UK-OFWAT£7,000,000
Drax Pumped Storage LimitedDrax Group PLCenergy market violation2023UK-OFGEM£6,120,000
EDF Energy (Thermal Generation) LimitedEDF-Electricite de Franceenergy market violation2020UK-OFGEM£6,000,000
Dorenell Windfarm LimitedEDF-Electricite de Franceenergy market violation2024UK-OFGEM£5,530,000
E.On NextE.ONconsumer protection violation2023UK-OFGEM£5,500,000
Northern Gas Networks LtdNorthern Gas Networksworkplace safety or health violation2022UK-HSE£5,091,487
E.On Next Energy LtdE.ONutility violation2023UK-OFGEM£5,000,000
SSE Energy ServicesOVO Energyconsumer protection violation2019UK-OFGEM£4,775,705
EDF Energy Customers plcEDF-Electricite de Franceconsumer protection violation2012UK-OFGEM£4,500,001
RWE Generation UK plcRWE AGenergy market violation2020UK-OFGEM£4,500,000
British Gas Trading LimitedCentricaenergy market violation2017UK-OFGEM£4,500,000
National Grid Gas plcNational Gas Transmission PLCconsumer protection violation2012UK-OFGEM£4,300,000
National Grid Gas PLCNational Gas Transmission PLCworkplace safety or health violation2016UK-HSE£4,091,805
THAMES WATER UTILITIES LIMITEDThames Water Utilities Ltd.water pollution violation2021UK-EA£4,090,713
THAMES WATER UTILITIES LIMITEDThames Water Utilities Ltd.water pollution violation2021UK-EA£4,084,669
British Gas Trading LimitedCentricaconsumer protection violation2014UK-OFGEM£4,003,857
npower Northern Limited-Gas and npower Northern Supply Limited-ElectricityE.ONconsumer protection violation2014UK-OFGEM£3,500,001
THAMES WATER UTILITIES LIMITEDThames Water Utilities Ltd.water pollution violation2023UK-EA£3,458,961
British GasCentricaenergy market violation2023UK-OFGEM£3,370,000
National Grid Electricity Distribution (South Wales) PlcNational Gridworkplace safety or health violation2024UK-HSE£3,220,460
E.ONE.ONconsumer protection violation2016UK-OFGEM£3,100,000
EDF EnergyEDF-Electricite de Franceconsumer protection violation2014UK-OFGEM£3,000,001
E.ON Energy Solutions LimitedE.ONconsumer protection violation2013UK-OFGEM£3,000,000
National GridNational Gridenergy market violation2016UK-OFGEM£3,000,000
OVO EnergyOVO Energyconsumer protection violation2021UK-OFGEM£2,801,232
British Gas Trading LimitedCentricaconsumer protection violation2018UK-OFGEM£2,650,000
British Gas Trading LimitedCentricaconsumer protection violation2012UK-OFGEM£2,500,000
npower Direct Ltd. and npower Ltd. and npower Northern Ltd. and npower Yorkshire Ltd.E.ONenergy market violation2018UK-OFGEM£2,400,000
ScottishPower Energy Retail Limited and ScottishPower Generation LimitedIberdrolaenergy market violation2015UK-OFGEM£2,400,000
OVOOVO Energyenergy market violation2023UK-OFGEM£2,390,000
Thames Water Utilities LimitedThames Water Utilities Ltd.water pollution violation2021UK-EA£2,387,944
OVO Electricity Ltd et al.OVO Energyconsumer protection violation2024UK-OFGEM£2,370,000
SSESSE PLCconsumer protection violation2014UK-OFGEM£2,300,000
South West WaterPennon Group PLCwater pollution violation2023UK-EA£2,150,000
Engie Global MarketsEngieenergy market violation2019UK-OFGEM£2,128,236
Severn Trent WaterSevern Trent PLCwater pollution violation2024UK-EA£2,088,657
SSE Generation LimitedSSE PLCenergy market violation2020UK-OFGEM£2,060,000
National Grid Gas PLCNational Gas Transmission PLCworkplace safety or health violation2014UK-HSE£2,036,103
RWE Npower plcE.ONconsumer protection violation2012UK-OFGEM£2,000,000
npowerE.ONconsumer protection violation2011UK-OFGEM£2,000,000
OVO Energy LimitedOVO Energyconsumer protection violation2023UK-OFGEM£1,998,647
Scottish PowerIberdrolaconsumer protection violation2021UK-OFGEM£1,967,465
Thames Water Utilities LimitedThames Water Utilities Ltd.water pollution violation2019UK-EA£1,879,991
South West Water LtdPennon Group PLCworkplace safety or health violation2013UK-HSE£1,841,608
SSE plcSSE PLCenergy market violation2015UK-OFGEM£1,750,000
British GasCentricaconsumer protection violation2020UK-OFGEM£1,728,070
E.ONE.ONenergy market violation2023UK-OFGEM£1,720,000
E.ONE.ONconsumer protection violation2012UK-OFGEM£1,700,000
British Gas/ CentricaCentricaconsumer protection violation2021UK-OFGEM£1,660,272
Yorkshire Water Services Ltd.Kelda Groupwater pollution violation2022UK-EA£1,623,032
ScottishPower Energy Retail LtdIberdrolaconsumer protection violation2024UK-OFGEM£1,500,000
National Grid Electricity System Operator LimitedNational Gridenergy market violation2021UK-OFGEM£1,500,000
Utility WarehouseTelecom Plus PLCconsumer protection violation2021UK-OFGEM£1,500,000
Shell Energy Retail LimitedOctopus Energy Limitedconsumer protection violation2023UK-OFCOM£1,400,000
British Gas/ CentricaCentricaconsumer protection violation2021UK-OFGEM£1,269,095
Scottish PowerIberdrolaenergy market violation2023UK-OFGEM£1,240,000
Southern Gas Networks PlcSGNworkplace safety or health violation2016UK-HSE£1,218,975
SSE Energy ServicesOVO Energyenergy market violation2020UK-OFGEM£1,200,000
UK Power Networks (Operations) LimitedUK Power Networksworkplace safety or health violation2012UK-HSE£1,153,459
British GasCentricaconsumer protection violation2017UK-OFGEM£1,100,000
SEVERN TRENT WATER LIMITEDSevern Trent PLCwater pollution violation2021UK-EA£1,029,182
National Grid Gas PLCNational Gas Transmission PLCworkplace safety or health violation2014UK-HSE£1,026,296
Thames Water Utilities LimitedThames Water Utilities Ltd.water pollution violation2016UK-EA£1,018,233
Yorkshire Water Services LimitedKelda Groupwater pollution violation2023UK-EA£1,000,000
SSE plcSSE PLCconsumer protection violation2018UK-OFGEM£1,000,000
British Gas Trading LimitedCentricaenergy market violation2011UK-OFGEM£1,000,000
Thames Water UtilitiesThames Water Utilities Ltd.water pollution violation2017UK-EA£1,000,000
British GasCentricaconsumer protection violation2014UK-OFGEM£1,000,000
NpowerE.ONconsumer protection violation2013UK-OFGEM£1,000,000
SSESSE PLCconsumer protection violation2021UK-OFGEM£983,334
Wessex Water Services LimitedYTL Power Internationalwater pollution violation2018UK-EA£975,000
Western Power Distribution (South West) plcNational Gridworkplace safety or health violation2013UK-HSE£913,115
Siemens Energy LimitedSiemens Energyworkplace safety or health violation2022UK-HSE£906,327
Northern Gas Networks Ltd.Northern Gas Networksconsumer protection violation2012UK-OFGEM£900,000
Thames Water Utilities LimitedThames Water Utilities Ltd.water pollution violation2017UK-EA£800,000
Thames Water Utilities LimitedThames Water Utilities Ltd.water pollution violation2017UK-EA£800,000