| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALTAMUSKIN WINDFARM LIMITED | NI055984 | 24/07/2015 | Silver |
| BELFAST ENERGY STORAGE COMPANY LIMITED | NI665066 | 26/03/2021 | Bronze |
| CLONDERMOT WIND LIMITED | NI070097 | 18/01/2011 | Bronze |
| CORNAVARROW WINDFARM LTD | NI053569 | 14/10/2016 | Bronze |
| DARGAN ROAD BIOGAS LIMITED | NI644610 | 31/07/2017 | Amber |
| ENERGIA HYDROGEN LIMITED | NI663052 | 26/04/2021 | One Red Flag |
| ENERGIA NI STORAGE LIMITED | NI641736 | 21/06/2021 | One Red Flag |
| ENERGIA POWER RESOURCES LIMITED | 03579116 | 29/02/2008 | Not Trading |
| ENERGIA RENEWABLES COMPANY 1 LIMITED | NI610166 | 30/11/2011 | Bronze |
| ENERGIA RENEWABLES COMPANY 2 LIMITED | NI631738 | 05/06/2015 | One Red Flag |
| ENERGIA RENEWABLES COMPANY 3 LIMITED | NI633816 | 23/09/2015 | Bronze |
| ENERGIA RENEWABLES COMPANY 4 LIMITED | NI643231 | 17/01/2017 | Bronze |
| ESHMORE LTD | NI060255 | 29/06/2007 | Silver |
| GORTFINBAR WINDFARM LIMITED | NI055987 | 24/07/2015 | Silver |
| LISGLASS WIND LTD | NI607633 | 17/06/2011 | Not Trading |
| LONG MOUNTAIN WIND FARM LIMITED | NI069021 | 16/09/2013 | Bronze |
| MOSSLEE LIMITED | NI070682 | 06/08/2015 | Bronze |
| PIGEON TOP WIND FARM LTD | NI606308 | 13/09/2019 | Amber |
| SLIEVEGLASS WIND FARM LIMITED | NI064568 | 14/10/2016 | Silver |
| TEIGES MOUNTAIN WIND FARM LIMITED | NI064555 | 05/04/2017 | Silver |
| THORNOG WINDFARM LTD | NI053570 | 17/04/2013 | Silver |
| WHEELHOUSE ENERGY (NI) LIMITED | NI073607 | 27/07/2016 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BELFAST ENERGY STORAGE COMPANY LIMITED | NI665066 | 12/10/2019 | 06/02/2020 | Bronze |
| CHURCH HILL WIND FARM LIMITED | NI051391 | 29/04/2008 | 14/12/2018 | Silver |
| CRIGHSHANE AND CHURCH HILL FUNDING LTD | NI070585 | 23/09/2010 | 14/12/2018 | Dissolved |
| CRIGHSHANE AND CHURCH HILL HOLDCO LTD | NI033361 | 06/02/2008 | 14/12/2018 | Dissolved |
| CRIGHSHANE WIND FARM LIMITED | NI051392 | 29/04/2008 | 14/12/2018 | Silver |
| ENERGIA CUSTOMER SOLUTIONS NI LIMITED | NI035800 | 23/08/2000 | 06/02/2020 | Bronze |
| ENERGIA HYDROGEN LIMITED | NI663052 | 17/07/2019 | 06/02/2020 | One Red Flag |
| ENERGIA NI HOLDCO LIMITED | NI032563 | 01/01/2002 | 06/02/2020 | Bronze |
| ENERGIA NI STORAGE LIMITED | NI641736 | 01/08/2019 | 06/02/2020 | One Red Flag |