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.
Company | Parent | Parent Major Industry | Offence Type | Year | Agency | Penalty Amount ![]() |
---|---|---|---|---|---|---|
National Grid Electricity Transmission plc and Scottish Power Transmission plc | National Grid | utilities and power generation | consumer protection violation | 2021 | UK-OFGEM | £158,000,000 |
Western Power Distribution | National Grid | utilities and power generation | consumer protection violation | 2022 | UK-OFGEM | £14,900,000 |
National Grid Gas plc | National Gas Transmission PLC | utilities and power generation | energy market violation | 2011 | UK-OFGEM | £8,000,000 |
National Grid Gas plc | National Gas Transmission PLC | utilities and power generation | consumer protection violation | 2012 | UK-OFGEM | £4,300,000 |
National Grid Gas PLC | National Gas Transmission PLC | utilities and power generation | workplace safety or health violation | 2016 | UK-HSE | £4,091,805 |
National Grid Electricity Distribution (South Wales) Plc | National Grid | utilities and power generation | workplace safety or health violation | 2024 | UK-HSE | £3,220,460 |
National Grid | National Grid | utilities and power generation | energy market violation | 2016 | UK-OFGEM | £3,000,000 |
National Grid Gas PLC | National Gas Transmission PLC | utilities and power generation | workplace safety or health violation | 2014 | UK-HSE | £2,036,103 |
National Grid Electricity System Operator Limited | National Grid | utilities and power generation | energy market violation | 2021 | UK-OFGEM | £1,500,000 |
National Grid Gas PLC | National Gas Transmission PLC | utilities and power generation | workplace safety or health violation | 2014 | UK-HSE | £1,026,296 |
National Grid UK Ltd | National Grid | utilities and power generation | labour standards violation | 2023 | UK-ET | £357,004 |
National Grid UK Ltd | National Grid | utilities and power generation | labour standards violation | 2023 | UK-ET | £173,189 |
National Grid Gas PLC | National Gas Transmission PLC | utilities and power generation | workplace safety or health violation | 2012 | UK-HSE | £29,848 |
National Grid Gas PLC | National Gas Transmission PLC | utilities and power generation | workplace safety or health violation | 2010 | UK-HSE | £25,693 |
National Grid Plc | National Grid | utilities and power generation | Environmental Violation | 2022 | UK-NRW | £0 |
National Grid | National Grid | utilities and power generation | Environmental Violation | 2023 | UK-NRW | £0 |
National Grid Electricity Distribution Plc | National Grid | utilities and power generation | Environmental Violation | 2023 | UK-NRW | £0 |
National Grid Electricity Distribution Plc | National Grid | utilities and power generation | Environmental Violation | 2023 | UK-NRW | £0 |
National Grid Gas PLC | National Gas Transmission PLC | utilities and power generation | workplace safety or health violation | 2017 | UK-HSE | £0 |