| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ROSEATE ENERGY LIMITED | 08993178 | 11/04/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMBIENT BIOMASS LIMITED | 03890940 | 09/12/1999 | 01/11/2002 | Dissolved |
| AMBIENT HYDRO LIMITED | 03479023 | 08/01/1998 | 01/11/2002 | Dissolved |
| ARK ENERGY LIMITED | 04466877 | 07/11/2002 | 30/07/2007 | One Red Flag |
| ASGARD RENEWABLES LIMITED | 08773835 | 28/03/2019 | 02/08/2021 | Silver |
| AVELEY METHANE LIMITED | 01602678 | 10/01/2002 | 01/11/2002 | Dissolved |
| AVOCET RENEWABLES LIMITED | 08993345 | 11/04/2014 | 27/03/2020 | Bronze |
| BIDSTON METHANE LIMITED | 01766806 | 10/01/2002 | 01/11/2002 | Insolvent |
| CEFN CROES WINDFARM LIMITED | 03493425 | 17/01/1998 | 01/11/2002 | Dissolved |
| CHERRY WIND TRADING LIMITED | 07391836 | 09/11/2010 | 11/04/2016 | Dissolved |
| CORNWALL BIOMASS POWER LIMITED | 03525242 | 13/03/1998 | 01/11/2002 | Dissolved |
| CORSTON WINDFARM LIMITED | 03493421 | 17/01/1998 | 01/11/2002 | Dissolved |
| DHG HYDRO LIMITED | 03832634 | 27/08/1999 | 01/11/2002 | Bronze |
| EIDER RENEWABLES LIMITED | 08371136 | 23/01/2013 | 31/01/2019 | Silver |
| GENGAS LIMITED | 03033261 | 26/01/1996 | 17/12/1996 | Bronze |
| GREEN ELECTRON LIMITED | 03189155 | 09/10/1997 | 31/12/1997 | Dissolved |
| HENLEAZE SWIMMING CLUB | 07011983 | 15/01/2013 | 19/04/2016 | Silver |
| HILL SOLAR PV LIMITED | 07971204 | 01/03/2012 | 30/10/2015 | Dissolved |
| LAUNCHSILVER LIMITED | 05294229 | 30/11/2004 | 24/11/2012 | Dissolved |
| MYNYDD CLOGAU WINDFARM (HOLDINGS) LIMITED | 03471396 | 26/11/1997 | 01/11/2002 | Dissolved |
| MYNYDD CLOGAU WINDFARM LIMITED | 03493417 | 17/01/1998 | 01/11/2002 | Silver |
| NATIONAL GRID ELECTRICITY DISTRIBUTION GENERATION LIMITED | 02207483 | 06/07/1993 | 31/12/1997 | Bronze |
| NORTH WILTSHIRE BIOMASS POWER LIMITED | 03471393 | 08/01/1998 | 01/11/2002 | Dissolved |
| NOVERA ENERGY GENERATION NO. 1 LIMITED | 03451378 | 01/06/2001 | 01/11/2002 | Amber |
| NOVERA ENERGY GENERATION NO. 1 LIMITED | 03451378 | 15/12/2000 | 01/11/2002 | Amber |
| NOVERA ENERGY OPERATING SERVICES LIMITED | 02222574 | 10/01/2002 | 01/11/2002 | Amber |
| NOVERA ENERGY SERVICES UK LIMITED | 03513611 | 10/01/2002 | 01/11/2002 | Dissolved |
| PADARN POWER COMPANY LIMITED | 02577647 | 10/03/2000 | 18/06/2002 | Dissolved |
| PRYSAN WINDFARM LIMITED | 03493424 | 17/01/1998 | 01/11/2002 | Dissolved |
| PV TRADING LIMITED | 07290229 | 29/09/2010 | 16/12/2015 | Gold |
| RENEWABLE UK ASSOCIATION | 01874667 | 07/07/1993 | 25/07/1996 | Bronze |
| SUFFOLK BIOMASS POWER LIMITED | 03471657 | 08/01/1998 | 01/11/2002 | Dissolved |
| THE ASSOCIATION FOR RENEWABLE ENERGY AND CLEAN TECHNOLOGY | 04241430 | 27/06/2001 | 20/09/2006 | Bronze |
| THE COLLEGIATE SCHOOL BRISTOL | 02792699 | 04/11/2004 | 03/07/2009 | Silver |
| UK WIND ENERGY GENERATION LIMITED | 07498730 | 06/03/2012 | 17/09/2015 | Silver |
| WESTERN POWER INVESTMENTS LIMITED | 02579329 | 01/02/1993 | 31/12/1997 | Dissolved |
| WINDELECTRIC LIMITED | 02407377 | 01/03/1992 | 30/04/1998 | Dissolved |
| WINTERTON POWER LIMITED | 03001798 | 22/01/1998 | 30/04/1998 | Dissolved |
| Windtrak Energy (Uk) Ltd | 04903447 | 18/09/2003 | 17/02/2005 | Dissolved |