| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EGGBOROUGH POWER LIMITED | 03782700 | 30/08/2017 | Amber |
| EP BALLYLUMFORD LIMITED | NI026040 | 12/06/2019 | Silver |
| EP EGGBOROUGH NEW ENERGY DEVELOPMENTS LIMITED | 14670457 | 17/02/2023 | Not Trading |
| EP KILROOT LIMITED | NI026039 | 12/06/2019 | Amber |
| EP LANGAGE LIMITED | 03462783 | 31/08/2017 | Gold |
| EP LYNEMOUTH POWER LIMITED | 07866585 | 04/01/2016 | Silver |
| EP NI ENERGY LIMITED | NI667118 | 20/01/2020 | One Red Flag |
| EP SHB LIMITED | 02571241 | 31/08/2017 | Silver |
| EP UK CONSTRUCTION LTD | 15767574 | 07/06/2024 | Amber |
| EP UK FINANCE LIMITED | 11347593 | 04/05/2018 | Silver |
| EP UK INVESTMENTS LTD | 09255154 | 26/07/2016 | Bronze |
| EP UK POWER DEVELOPMENT II LTD | 15767674 | 07/06/2024 | Amber |
| EP UK POWER DEVELOPMENT III LTD | 15843731 | 17/07/2024 | Amber |
| EP UK POWER DEVELOPMENT IV LTD | 15843729 | 17/07/2024 | Amber |
| EP UK POWER DEVELOPMENT LTD | 10808313 | 07/06/2017 | Not Trading |
| EP UK POWER DEVELOPMENT V LTD | 15843883 | 17/07/2024 | Amber |
| EP WASTE MANAGEMENT LIMITED | 12144128 | 07/08/2019 | Not Trading |
| HUMBERLAND LIMITED | 02949541 | 31/08/2017 | Not Trading |
| WEST BURTON FLEXIBLE GENERATION LTD | 15752113 | 13/12/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| RVA CONSULTING ENGINEERS LIMITED | 04610169 | 20/11/2017 | 24/03/2023 | Silver |
| RVA ENGINEERING SOLUTIONS LIMITED | 05156472 | 20/11/2017 | 24/03/2023 | Silver |
| RVA GROUP LIMITED | 05612979 | 20/11/2017 | 24/03/2023 | Silver |