| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BICKER DROVE LIMITED | 15674780 | 21/08/2024 | Amber |
| FIDRA ENERGY LIMITED | 15126448 | 21/08/2024 | Not Trading |
| INTERGEN MANAGEMENT SERVICES (U.K.) LTD | 03547447 | 17/03/2016 | Dissolved |
| THORPE MARSH ENERGY PARK LIMITED | 12242673 | 21/08/2024 | Amber |
| THORPE MARSH GREEN ENERGY HUB LIMITED | 14403918 | 21/08/2024 | Amber |
| THORPE MARSH HOLDINGS LIMITED | 15126617 | 21/08/2024 | Not Trading |
| WEST BURTON C LIMITED | 13956629 | 21/08/2024 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATION OF ELECTRICITY PRODUCERS LIMITED | 02779199 | 01/11/2021 | 31/05/2022 | Bronze |
| CORYTON ENERGY COMPANY, LTD. | FC020597 | 24/01/2020 | 26/05/2022 | Bronze |
| GREEN BESS DEVELOPMENTS (UK) LIMITED | 06179060 | 17/03/2016 | 22/01/2020 | One Red Flag |
| INTERGEN (UK) LTD. | 03039100 | 17/03/2016 | 26/05/2022 | Silver |
| INTERGEN ENERGY TRADING AND SHIPPING LIMITED | 11842451 | 22/02/2019 | 26/05/2022 | Not Trading |
| INTERGEN ENTERPRISES (UK) LTD. | 03568678 | 01/03/2017 | 26/05/2022 | Not Trading |
| ROCKSAVAGE POWER COMPANY, LTD. | FC018868 | 24/01/2020 | 26/05/2022 | Bronze |
| SAVAGE LAND LIMITED | 03145444 | 17/03/2016 | 26/05/2022 | Not Trading |
| SPALDING ENERGY COMPANY, LTD. | FC019668 | 17/03/2016 | 26/05/2022 | Bronze |
| SPALDING ENERGY EXPANSION LIMITED | 06790895 | 22/01/2020 | 26/05/2022 | Bronze |
| UK T-POWER MANAGEMENT LIMITED | 14762034 | 27/03/2023 | 09/08/2024 | Bronze |
| UK TRANSITION POWER LIMITED | 13303039 | 26/10/2022 | 09/08/2024 | Bronze |
| WEST BURTON B LIMITED | 13027787 | 26/10/2022 | 09/08/2024 | Bronze |