| Alexander Michael Carus | Director | 24 Jul 1991 | 31 Jan 1994 | British | 86 years |
| Brian Jefferson Tear | Director | 19 Aug 2010 | 12 Jun 2012 | British | 58 years |
| Christopher John Boon | Director | 4 Feb 1997 | 19 Mar 1999 | British | 80 years |
| Dan Williamson Cowe | Director | 24 Jul 1991 | 31 Jul 1992 | British | 94 years |
| Derek Alan Wells | Secretary | 24 Jul 1991 | 31 Jul 1992 | British | - |
| E.on Uk Directors Limited | Corporate Director | 22 Dec 1998 | 22 Aug 2016 | United Kingdom | - |
| E.on Uk Secretaries Limited | Corporate Director | 22 Dec 1998 | 19 Aug 2010 | United Kingdom | - |
| E.on Uk Secretaries Limited | Corporate Secretary | 22 Dec 1998 | 22 Aug 2016 | United Kingdom | - |
| Fiona Scott Stark | Director | 12 Jun 2012 | 31 Dec 2016 | British | 64 years |
| George Nicholas Corah | Director | 24 Jul 1991 | 4 Feb 1997 | British | 94 years |
| James Anthony Keohane | Director | 31 Jul 1992 | 24 Mar 1997 | British | 77 years |
| Jeremy George Mungo Campbell | Secretary | 31 Jul 1992 | 22 Dec 1998 | British | - |
| Norman Brian Montague Askew | Director | 4 Feb 1997 | 1 Jul 1997 | British | 84 years |
| Robert John Davies | Director | 1 Feb 1994 | 10 Dec 1998 | British | 78 years |