| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ECO2 CAMBRIAN LIMITED | 05504383 | 06/03/2020 | Dissolved |
| WEST DURHAM WIND FARM (HOLDINGS) 2 LIMITED | 05654029 | 06/03/2020 | Dissolved |
| WEST DURHAM WIND FARM (HOLDINGS) LIMITED | 06310696 | 06/03/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAMBRIAN RENEWABLE ENERGY LIMITED | 04803358 | 06/03/2020 | 16/06/2022 | Silver |
| CARRINGTON POWER LIMITED | 04706728 | 06/03/2020 | 16/06/2022 | Silver |
| COOLKEERAGH ESB LIMITED | NI042138 | 21/04/2020 | 16/06/2022 | Silver |
| CORBY POWER LIMITED | 02329494 | 06/03/2020 | 16/06/2022 | Gold |
| CROCKAGARRAN WIND FARM LTD | NI065453 | 06/03/2020 | 16/06/2022 | Silver |
| CROCKDUN WINDFARM (NI) LIMITED | NI633987 | 06/03/2020 | 16/06/2022 | Dissolved |
| CURRYFREE WIND FARM LIMITED | NI068191 | 06/03/2020 | 16/06/2022 | Silver |
| DEVON WIND POWER LIMITED | 03536976 | 06/03/2020 | 16/06/2022 | Bronze |
| ESB GROUP (UK) LIMITED | 04182868 | 06/03/2020 | 16/06/2022 | Amber |
| ESBII UK LIMITED | 04048938 | 06/03/2020 | 16/06/2022 | Silver |
| FACILITY MANAGEMENT UK LIMITED | 04048782 | 06/03/2020 | 16/06/2022 | Gold |
| HUNTER'S HILL WIND FARM LIMITED | NI067362 | 06/03/2020 | 16/06/2022 | Silver |
| WEST DURHAM WINDFARM LIMITED | 03658399 | 06/03/2020 | 16/06/2022 | Silver |