| LOUGHRAN, Daniel ACTIVE | Secretary | 28 Feb 2017 | | | | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD, N Ireland |
| LOUGHRAN, Daniel ACTIVE | Director | 28 Feb 2017 | | Northern Ireland | October 1978 | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD |
| LOUGHRAN, Laura ACTIVE | Director | 20 Mar 2025 | | Northern Ireland | October 1985 | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD |
| LOUGHRAN, Michael Oliver ACTIVE | Director | 28 Feb 2017 | | Northern Ireland | July 1976 | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD |
| LOUGHRAN, Michael Cornelius ACTIVE | Director | 28 Feb 2017 | | Northern Ireland | September 1950 | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD |
| QUINN, Geraldine ACTIVE | Director | 28 Feb 2017 | | Northern Ireland | November 1977 | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD |
| HOPKINS, Neil Allen RESIGNED | Secretary | 01 Jun 2006 | 09 Jun 2009 | | | 30 Connaught Road, Teddington, Middlesex, TW11 OPS |
| LEEBURN, Julie RESIGNED | Secretary | 21 May 2013 | 28 Feb 2017 | | | Kilroot Power Station, Larne Road, Carrickfergus, Co Antrim, BT38 7LX, United Kingdom |
| LEHMAN, Donald Todd RESIGNED | Secretary | 09 Jun 2009 | 19 Dec 2013 | | | 10 Leigh Hill Road, Cobham, Surrey, England, KT11 2HX |
| MCCULLOUGH, James Timothy RESIGNED | Secretary | 19 May 1992 | 01 Jun 2006 | | | 12 Bramble Grange, Newtownabbey, BT370XH |
| ARMSTRONG, Michael Norman RESIGNED | Director | 27 Mar 2002 | 16 Dec 2003 | England | January 1958 | 12 Stokenchurch Street, London, SW6 3TR |
| CASEMENT, Roger Paul RESIGNED | Director | 02 Sep 2013 | 28 Feb 2017 | Northern Ireland | June 1963 | Ballylumford Power Station, Ballylumford, Islandmagee, Larne, Co Antrim, BT40 3RS, United Kingdom |
| FITZPATRICK, Mark Stuart RESIGNED | Director | 19 May 1992 | 28 Jun 2002 | | January 1951 | Bournebrook Cottage, Clappers Lane, Chobham, Surrey, GU 24 |
| GODESAR, Rolf Karl, Dr. RESIGNED | Director | 19 May 1992 | 12 May 2000 | | March 1942 | Marcunsallee 41, Bremen, Germany, D28 359 |
| GREEN, Mark Eugene RESIGNED | Director | 18 Apr 2016 | 28 Feb 2017 | Netherlands | August 1967 | Vinoly 4th Floor, Claude Debussylaan, 1082 Md Amsterdam, Netherlands |
| HOPKINS, Neil Allen RESIGNED | Director | 01 Jun 2006 | 09 Jun 2009 | | September 1964 | Connaught Road, Teddington, Middlesex, TW11 OPS |
| HOPKINS, Neil Allen RESIGNED | Director | 19 May 1992 | 21 May 2004 | | September 1964 | 46 Crystal Palace Road, East Dulwich, London, Se22 9hb |
| KENIS, Eric Louisa Frans RESIGNED | Director | 12 Feb 1999 | 12 May 2000 | | December 1952 | De Nachtegaal 73, Schilde, Antwerpen, Belgium, B-2970 |
| LEHMAN, Donald Todd RESIGNED | Director | 09 Jun 2009 | 02 Sep 2013 | United Kingdom | January 1965 | 10 Leigh Hill Road, Cobham, Surrey, England, KT11 2HX |
| LOUGHRAN, Joseph RESIGNED | Director | 28 Feb 2017 | 22 Sep 2021 | N Ireland | March 1957 | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD |
| MCCULLOUGH, James Timothy RESIGNED | Director | 01 Mar 2004 | 01 Jun 2006 | United Kingdom | June 1962 | 12 Bramble Grange, Newtownabbey, BT37 0XH |
| MCLAREN, John Keith RESIGNED | Director | 16 Dec 2003 | 30 Sep 2009 | England | January 1962 | Goddingtone Lane, Harrietsham, Kent, ME17 1JX |
| MILLER, Mark Edward RESIGNED | Director | 21 May 2013 | 27 Jan 2015 | Northern Ireland | July 1961 | 37-39, Kew Foot Road, Richmond, Surrey, TW9 2SS, United Kingdom |
| MURTLOW, Ann Marie RESIGNED | Director | 07 May 1999 | 27 Mar 2002 | | November 1960 | Blair House, Monks Road, Virginia Water, Surrey, GU25 4RR |
| NEBREDA MARQUEZ, Julian Jose RESIGNED | Director | 30 Sep 2009 | 18 Apr 2016 | Amsterdam | March 1966 | C/O Aes Netherlands Holding Bv, Vinoly Building 4th Floor, Claude Debussylaan 12, 1082 Amsterdam, Netherlands |
| REYNOLDS, Mark Edward RESIGNED | Director | 29 Aug 2014 | 28 Feb 2017 | United Kingdom | November 1964 | 16, Churchtown Road, Cookstown, Tyrone, BT80 9XD |
| TULLY, Carla Michelle RESIGNED | Director | 27 Jan 2015 | 28 Feb 2017 | United Kingdom | July 1972 | Kilroot Power Station, Larne Road, Carrickfergus, BT38 7LX, United Kingdom |