| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| British Biogen | 03126427 | 21/11/2000 | Dissolved |
| ECO2 BIOMASS LIMITED | 06316681 | 18/07/2007 | Dissolved |
| ECO2 CENTRAL LIMITED | 06337776 | 08/08/2007 | Dissolved |
| ECO2 EASTERN LIMITED | 07419118 | 26/10/2010 | Dissolved |
| ECO2 LINCS CHP LIMITED | 06968305 | 21/07/2009 | Dissolved |
| ECO2 NORTHERN LIMITED | 07784476 | 23/09/2011 | Dissolved |
| ECO2 RENEWABLES LIMITED | 07420414 | 27/10/2010 | Dissolved |
| ECO2 ROMANIA LIMITED | 07065992 | 04/11/2009 | Dissolved |
| ECO2 SOUTHERN LIMITED | 07784517 | 23/09/2011 | Dissolved |
| ECO2 WESTERN LIMITED | 07784320 | 23/09/2011 | Dissolved |
| FOCHRIW RENEWABLE ENERGY LIMITED | 05914775 | 23/08/2006 | Dissolved |
| GLYNCORRWG RENEWABLE ENERGY LIMITED | 05921105 | 31/08/2006 | Dissolved |
| TIDAL ENERGY DEVELOPMENTS NORTH WALES LIMITED | 07837555 | 07/11/2011 | Dissolved |
| TIDAL ENERGY DEVELOPMENTS SOUTH WALES LIMITED | 07837618 | 07/11/2011 | Dissolved |
| TIDAL ENERGY LIMITED | 04135447 | 17/05/2004 | Insolvent |
| VENTUS VCT PLC | 05205442 | 13/07/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANGLIAN STRAW LIMITED | 02501581 | 26/02/1999 | 20/03/2002 | Dissolved |
| ANGLIAN STRAW LIMITED | 02501581 | 09/09/1998 | 20/03/2002 | Dissolved |
| Anglian Ash Ltd | 03723396 | 26/08/1999 | 20/03/2002 | Dissolved |
| Arbre Energy Ltd | 03014342 | 14/12/1995 | 10/06/1996 | Dissolved |
| BERWICK FARM POWER LIMITED | 05187928 | 24/08/2004 | 04/04/2008 | Dissolved |
| BOGANLEA RENEWABLE ENERGY LIMITED | 05919270 | 30/08/2006 | 10/01/2014 | Amber |
| BRIGG RENEWABLE POWER FUELS LIMITED | 06266322 | 01/09/2011 | 01/11/2013 | Silver |
| CAMBRIAN RENEWABLE ENERGY LIMITED | 04803358 | 28/02/2005 | 02/06/2010 | Amber |
| Corby Energy Ltd | 04069887 | 23/11/2000 | 20/03/2002 | Dissolved |
| Corby Energy Ltd | 04069887 | 23/11/2000 | 20/03/2002 | Dissolved |
| ECO-5 LIMITED | 05342865 | 16/06/2005 | 02/03/2006 | Dissolved |
| ECO2 CAMBRIAN LIMITED | 05504383 | 28/09/2005 | 02/06/2010 | Dissolved |
| ECO2 HATTON LIMITED | 06256803 | 23/05/2007 | 07/10/2011 | Dissolved |
| ECO2 LIMITED | 05268380 | 15/02/2005 | 21/05/2020 | Amber |
| ECO2 PROJECTS LIMITED | 04549876 | 23/10/2002 | 02/03/2006 | Dissolved |
| ENERGY POWER RESOURCES LIMITED | 03302734 | 26/02/1999 | 30/09/1999 | Amber |
| ENERGY POWER RESOURCES LIMITED | 03302734 | 10/07/1997 | 20/03/2002 | Amber |
| EPR ELY LIMITED | 03401618 | 26/02/1999 | 20/03/2002 | Amber |
| EPR ELY LIMITED | 03401618 | 07/08/1997 | 20/03/2002 | Amber |
| EPR ELY POWER LIMITED | 03559356 | 26/02/1999 | 20/03/2002 | Dissolved |
| EPR ELY POWER LIMITED | 03559356 | 05/08/1998 | 20/03/2002 | Dissolved |
| EPR SCOTLAND LIMITED | SC147994 | 26/02/1999 | 20/03/2002 | One Red Flag |
| EPR SCOTLAND LIMITED | SC147994 | 01/06/1996 | 20/03/2002 | One Red Flag |
| Ecostream Ltd | 03116464 | 20/11/1995 | 08/05/1996 | Dissolved |
| Ely Power Ltd | 03397504 | 26/02/1999 | 20/03/2002 | Dissolved |
| Ely Power Ltd | 03397504 | 09/09/1998 | 20/03/2002 | Dissolved |
| Epr Corby Ltd | 02903088 | 26/02/1999 | 20/03/2002 | Dissolved |
| Epr Corby Ltd | 02903088 | 01/06/1996 | 20/03/2002 | Dissolved |
| Epr Ltd | SC149644 | 26/02/1999 | 30/09/1999 | Dissolved |
| Epr Ltd | SC149644 | 01/06/1996 | 20/03/2002 | Dissolved |
| FRAMPTON POWER LIMITED | 05504389 | 30/09/2005 | 04/04/2008 | Dissolved |
| Four Ashes Holdings Ltd | 04155597 | 19/04/2001 | 20/03/2002 | Dissolved |
| Four Ashes Holdings Ltd | 04155597 | 19/04/2001 | 20/03/2002 | Dissolved |
| GOOLE RENEWABLE ENERGY LIMITED | 03707832 | 04/03/1999 | 20/03/2002 | Dissolved |
| GREP1 LIMITED | 06000706 | 16/11/2006 | 09/12/2011 | Amber |
| HATTON WINDPOWER LIMITED | SC313899 | 24/04/2008 | 07/10/2011 | Insolvent |
| INFINIS (COE) LIMITED | 02203248 | 31/10/1995 | 08/05/1996 | Dissolved |
| KINETICA ENERGY LIMITED | 07592456 | 22/03/2012 | 25/09/2019 | Dissolved |
| LINCOLNSHIRE BIOMASS LTD | 05908285 | 22/12/2006 | 09/12/2011 | One Red Flag |
| LYME AND WOOD POWER LIMITED | 05188440 | 24/08/2004 | 04/04/2008 | Dissolved |
| Nowport Ltd | 03773569 | 23/06/1999 | 20/03/2002 | Dissolved |
| PADARN POWER COMPANY LIMITED | 02577647 | 26/02/1999 | 20/03/2002 | Dissolved |
| PADARN POWER COMPANY LIMITED | 02577647 | 01/07/1997 | 20/03/2002 | Dissolved |
| REDIMO LFG POWER LTD. | 04044216 | 30/09/2005 | 04/04/2008 | Dissolved |
| RENEWABLE POWER GENERATION LIMITED | 02803905 | 18/02/1995 | 08/05/1996 | Dissolved |
| RENEWABLE UK ASSOCIATION | 01874667 | 01/06/1995 | 01/04/1996 | Bronze |
| RIVERSIDE RESOURCE RECOVERY LIMITED | 03723386 | 16/03/1999 | 20/03/2002 | Silver |
| RIVERSIDE RESOURCE RECOVERY LIMITED | 03723386 | 16/03/1999 | 20/03/2002 | Silver |
| SOUTH WALES POWER LIMITED | 02769106 | 01/12/1995 | 08/05/1996 | Dissolved |
| THE ASSOCIATION FOR RENEWABLE ENERGY AND CLEAN TECHNOLOGY | 04241430 | 18/11/2010 | 11/04/2014 | Bronze |
| VIGO UTOPIA POWER LIMITED | 05504738 | 01/09/2005 | 04/04/2008 | Dissolved |
| WESTERN BIO-ENERGY (FUELS) LIMITED | 05210135 | 29/11/2004 | 02/03/2006 | Bronze |