| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARRINGTON POWER LIMITED | 04706728 | 25/11/2011 | 26/09/2012 | Bronze |
| COOLKEERAGH ESB LIMITED | NI042138 | 30/09/2005 | 24/03/2010 | Bronze |
| CORBY POWER LIMITED | 02329494 | 28/09/2005 | 24/03/2010 | Silver |
| CPL OPERATIONS LIMITED | 04159143 | 28/09/2005 | 19/04/2008 | Dissolved |
| ESB ASSET DEVELOPMENT UK LIMITED | 06925667 | 23/11/2011 | 26/09/2012 | Silver |
| ESBII UK LIMITED | 04048938 | 28/09/2005 | 25/06/2008 | Bronze |
| MARCHWOOD POWER LIMITED | 04229146 | 25/10/2007 | 24/03/2010 | Silver |