| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ESB ASSET DEVELOPMENT UK LIMITED | 06925667 | 30/09/2014 | Silver |
| FACILITY MANAGEMENT UK LIMITED | 04048782 | 06/03/2020 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALDEBURGH OFFSHORE WIND HOLDINGS LIMITED | 10182519 | 29/03/2018 | 02/06/2020 | Bronze |
| ALDEBURGH OFFSHORE WIND INVESTMENTS LIMITED | 09814520 | 29/03/2018 | 02/06/2020 | Bronze |
| CROCKDUN WINDFARM (NI) LIMITED | NI633987 | 01/10/2015 | 01/05/2017 | Dissolved |
| ESB SOLAR (NORTHERN IRELAND) LIMITED | NI631677 | 03/06/2015 | 30/03/2020 | One Red Flag |
| GALLOPER WIND FARM HOLDING COMPANY LIMITED | 09756678 | 28/03/2018 | 19/05/2020 | Bronze |
| GALLOPER WIND FARM LIMITED | 07320597 | 28/03/2018 | 19/05/2020 | Bronze |
| KNOTTINGLEY POWER LIMITED | 05902446 | 23/11/2011 | 14/01/2019 | Silver |