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  |
|---|---|---|---|---|---|---|
| npower Limited et al. | E.ON | utilities and power generation | consumer protection violation | 2016 | UK-OFGEM | £26,000,000 |
| RWE Generation UK plc | RWE AG | utilities and power generation | energy market violation | 2020 | UK-OFGEM | £4,500,000 |
| npower Northern Limited-Gas and npower Northern Supply Limited-Electricity | E.ON | utilities and power generation | consumer protection violation | 2014 | UK-OFGEM | £3,500,001 |
| npower Direct Ltd. and npower Ltd. and npower Northern Ltd. and npower Yorkshire Ltd. | E.ON | utilities and power generation | energy market violation | 2018 | UK-OFGEM | £2,400,000 |
| RWE Npower plc | E.ON | utilities and power generation | consumer protection violation | 2012 | UK-OFGEM | £2,000,000 |
| npower | E.ON | utilities and power generation | consumer protection violation | 2011 | UK-OFGEM | £2,000,000 |
| Npower | E.ON | utilities and power generation | consumer protection violation | 2013 | UK-OFGEM | £1,000,000 |
| npower Direct Ltd. and npower Ltd. and npower Northern Ltd. and npower Yorkshire Ltd. | E.ON | utilities and power generation | energy market violation | 2014 | UK-OFGEM | £125,328 |
| RWE GENERATION UK PLC | RWE AG | utilities and power generation | labour standards violation | 2017 | UK-ET | £20,200 |
| Npower Group plc | E.ON | utilities and power generation | price-fixing or anti-competitive practices | 2016 | UK-CMA | £0 |
