| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Babcock & Brown Real Estate Management Ltd | 06170609 | 19/03/2007 | Dissolved |
| Babcock & Brown Sea Holdings Ltd | 05656936 | 16/12/2005 | Dissolved |
| CLEAN FUTURE VCT NO 1 PLC | 07437155 | 01/02/2011 | Dissolved |
| ENERSIS UK LIMITED | 06792204 | 15/01/2009 | Dissolved |
| Fleet Infrastructure Ltd | 04833529 | 15/07/2003 | Dissolved |
| Global Wind Partners Uk 3 Ltd | 05656909 | 16/12/2005 | Dissolved |
| Global Wind Partners Uk 4 Ltd | 05754253 | 23/03/2006 | Dissolved |
| TRANSMISSION CAPITAL LIMITED | 06769968 | 27/01/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DRAPERS GARDENS 2011 LIMITED | 07457428 | 31/01/2011 | 25/02/2016 | Not Trading |
| ELECTRIC GENERATION INVESTMENTS LIMITED | 05301981 | 01/12/2004 | 08/01/2009 | Dissolved |
| INFIGEN ENERGY (EIFEL) LIMITED | 05543929 | 23/08/2005 | 15/10/2008 | Dissolved |
| INFIGEN ENERGY (NIEDERRHEIN) LIMITED | 05364277 | 15/02/2005 | 15/10/2008 | Dissolved |
| Llyn Alaw Windfarm Ltd | 02887682 | 20/01/1995 | 19/01/1996 | Dissolved |
| MANWEB ENERGY CONSULTANTS LIMITED | 02721712 | 21/05/1993 | 19/01/1996 | Dissolved |
| MANWEB GENERATION HOLDINGS LIMITED | 02691506 | 09/10/1992 | 19/01/1996 | Dissolved |
| Manweb Generation (Winnington) Ltd | 03006440 | 07/04/1995 | 19/01/1996 | Dissolved |
| RENEWABLE UK ASSOCIATION | 01874667 | 07/07/1993 | 01/04/1996 | Bronze |
| RWE RENEWABLES UK ROBIN RIGG EAST LIMITED | 03568724 | 09/04/2003 | 24/11/2003 | Silver |
| RWE RENEWABLES UK ROBIN RIGG WEST LIMITED | 04150735 | 30/01/2001 | 24/11/2003 | Silver |
| TRANSMISSION CAPITAL SERVICES LIMITED | 07164386 | 22/02/2010 | 25/02/2016 | Silver |
| TRANSMISSION INVESTMENT LLP | OC361565 | 07/02/2011 | 25/02/2016 | One Red Flag |
| WINNINGTON COMBINED HEAT AND POWER OPERATIONS LIMITED | 03045124 | 24/08/1995 | 14/11/1995 | Dissolved |
| Winnington Combined Heat & Power Ltd | 03006441 | 09/06/1995 | 14/11/1995 | Dissolved |