| WALLIS, Paul Michael ACTIVE | Secretary | 02 Oct 2006 | | | | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| BEDSON, Vicky ACTIVE | Director | 05 Aug 2019 | | United Kingdom | March 1979 | Haweswater House, Lingley Mere Business Park, Great Sankey, Warrington, Cheshire, WA5 3LP, United Kingdom |
| BINNERSLEY, Rebecca Claire ACTIVE | Director | 06 Mar 2025 | | England | September 1968 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| BURNETT, Nigel Peter ACTIVE | Director | 28 Sep 2015 | | England | May 1952 | 20, Russett Gardens, London Road, Ruscombe, Reading, England, RG10 9HB, England |
| BURTON, Vickii ACTIVE | Director | 09 Jun 2025 | | England | December 1972 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| DA SILVA ARENAS, Carlos Eduardo ACTIVE | Director | 18 Mar 2025 | | England | November 1981 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| DICKSON, Lynsey ACTIVE | Director | 10 May 2017 | | United Kingdom | April 1980 | 200, Dunkeld Road, Perth, Scotland, PH1 3AQ, Scotland |
| DOVEY, Ruth ACTIVE | Director | 08 Jul 2021 | | England | December 1977 | Compton House, 2300, The Crescent, Birmingham Business Park, Birmingham, B37 7YE, England |
| DU PREEZ, Wayne Baxter ACTIVE | Director | 11 Apr 2024 | | England | February 1969 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| DUFFY, Stephen Patrick ACTIVE | Director | 27 Mar 2014 | | United Kingdom | October 1970 | Rwe Npower Plc, Trigonos, Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire, SN5 6PB, United Kingdom |
| ENGLISH, Glenn Christopher Kennedy ACTIVE | Director | 01 Apr 2021 | | Scotland | July 1979 | 320, St. Vincent Street, Glasgow, G2 5AD, Scotland |
| EVANS, Paula Ann ACTIVE | Director | 17 Jun 2021 | | United Kingdom | September 1969 | 51, St Marys Road, Leatherhead, Surrey, KT22 8HB, United Kingdom |
| FRISBY, Gordon James ACTIVE | Director | 16 Dec 2019 | | United Kingdom | March 1963 | Magnox Limited, Oldbury Technical Centre, Oldbury Naite, Thornbury, South Gloucestershire, BS35 1RQ, United Kingdom |
| HENSHAW, Ruth ACTIVE | Director | 05 Aug 2019 | | United Kingdom | December 1977 | Haweswater House, Lingley Mere Business Park, Grea, Warrington, Cheshire, WA5 3LP, United Kingdom |
| HIRONS-WOOD, Michele Tamatha ACTIVE | Director | 22 May 2025 | | England | November 1973 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| HURT, Beth ACTIVE | Director | 01 Jan 2023 | | England | March 1971 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| LOCKWOOD, Stephen John ACTIVE | Director | 01 May 2026 | | England | June 1965 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| MOFFAT, Sarah Christina ACTIVE | Director | 29 Jan 2024 | | England | August 1981 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| OSBORNE, Christopher Mark ACTIVE | Director | 01 Aug 2011 | | England | October 1975 | E.On Uk Plc, Westwood Way, Westwood Business Park, Coventry, CV4 8LG, United Kingdom |
| POTTER, Daniel Simon ACTIVE | Director | 05 Oct 2022 | | England | July 1988 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| ROSS, Colin Ian ACTIVE | Director | 01 Dec 2016 | | England | November 1968 | 304, Bridgewater Place, Birchwood Park, Warrington, England, WA3 6XG, England |
| RUSSELL, Alastair James ACTIVE | Director | 11 Sep 2018 | | Scotland | October 1967 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| THOMSON, Frazer Niall ACTIVE | Director | 01 Nov 2022 | | Scotland | January 1981 | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, England |
| BOOTHROYD BROOKS, Clare Efa RESIGNED | Secretary | 01 May 2000 | 11 Aug 2005 | | | 33 Abbott Avenue, Raynes Park, London, SW20 8SG |
| LEE, Christine Ann RESIGNED | Secretary | 11 Aug 2005 | 02 Oct 2006 | | | Keam House, 3 St Agnes Gate, Wendover, Bucks, HP22 6DP |
| MCQUILLAN, Sinead Frances Mary RESIGNED | Secretary | 02 Oct 2006 | 30 Jul 2010 | | | 13 Horner Court, 3 South Birkbeck Road, London, E11 4HY |
| RAY, Carolyn Margot RESIGNED | Secretary | 28 Sep 1992 | 31 Dec 1996 | | | 4 New Cottages, Pirbright, Woking, Surrey, GU24 0QE |
| ROSE, Caroline Anne RESIGNED | Secretary | 11 Aug 2005 | 02 Jun 2006 | | | 192 Boundary Road, London, N22 6AJ |
| WILLIAMS, Alison Susan RESIGNED | Secretary | 01 Jan 1997 | 11 Aug 2005 | | | 9 Badgers Walk, Whyteleafe, Surrey, CR3 0AS |
| ABEL, Geoffrey Charles RESIGNED | Director | 10 Sep 1997 | 19 Aug 1998 | | July 1943 | 33 Deans Way, Tarvin, Chester, CH3 8LX |
| AITKEN-DAVIES, Richard RESIGNED | Director | 01 Jan 2007 | 31 Dec 2015 | United Kingdom | July 1949 | 131 Durham Road, London, SW20 0DF |
| AITKEN-DAVIES, Richard RESIGNED | Director | | 07 Dec 1994 | United Kingdom | July 1949 | 131 Durham Road, London, SW20 0DF |
| ALLEN, Anthony RESIGNED | Director | 26 Feb 1998 | 01 Oct 1999 | | August 1946 | 7 Conway Road, Hucclecote, Gloucester, GL3 3PD |
| ALLEN, Anthony RESIGNED | Director | 10 Sep 1997 | 11 Sep 1997 | | August 1946 | 7 Conway Road, Hucclecote, Gloucester, GL3 3PD |
| ANSTEE, Eric Edward RESIGNED | Director | 04 Jan 1994 | 24 Feb 1997 | United Kingdom | January 1951 | Whitethorns, Weydown Road, Haslemere, Surrey, GU27 1DS |
| ASHBURNER, William Francis RESIGNED | Director | 06 Apr 1998 | 11 Aug 2006 | United Kingdom | May 1943 | 11 Beverley Drive, Gayton, Merseyside, CH60 3RP |
| ASHBURNER, William Francis RESIGNED | Director | 11 Dec 1996 | 12 Dec 1996 | | May 1943 | 4 Whitehouse Lane, Heswall, Wirral, Merseyside, L60 1UQ |
| ASHBURNER, William Francis RESIGNED | Director | 12 Sep 1996 | 12 Dec 1996 | | May 1943 | 4 Whitehouse Lane, Heswall, Wirral, Merseyside, L60 1UQ |
| ASPINALL, Julie Ann RESIGNED | Director | 30 Apr 2009 | 01 Apr 2012 | United Kingdom | March 1966 | 58, Norton Road, Reading, Berkshire, RG1 3QJ |
| BACK, Roger John RESIGNED | Director | 06 Sep 1996 | 31 Mar 1999 | | September 1943 | Neath Oak Heath Ride, Finchampstead, Wokingham, Berkshire, RG40 3QJ |
| BAILEY, Timothy RESIGNED | Director | 11 Dec 1996 | 25 Jan 2000 | | March 1951 | 38a Vapron Road, Mannamead, Plymouth, Devon, PL3 5NN |
| BAINES, Ian James RESIGNED | Director | 01 Sep 2005 | 30 May 2013 | England | July 1962 | 22-24 Lower Holt Street, Earls Colne, Colchester, Essex, CO6 2PH |
| BAKER, Mark Alexander Wyndham RESIGNED | Director | | 31 Dec 2006 | | June 1940 | The Old School, Fyfield, Abingdon, Oxfordshire, OX13 5LR |
| BARBER, Rodney George RESIGNED | Director | 12 Apr 1995 | 10 Jan 2001 | | January 1946 | 39 Chiswick Staithe, Hartington Road, London, W4 3TP |
| BENSON, Bernard RESIGNED | Director | | 03 May 1994 | | July 1931 | 5 Cherington Road, Cheadle, Cheshire, SK8 1LN |
| BILLING, Michael RESIGNED | Director | 21 May 1998 | 19 Sep 2007 | | June 1945 | 2 Armourers Close, Bishops Stortford, Hertfordshire, CM23 4EQ |
| BILLING, Michael RESIGNED | Director | 16 Mar 1998 | 17 Mar 1998 | | June 1945 | 5 Willow Mead, Sawbridgeworth, Hertfordshire, CM21 9HJ |
| BLAZEBY, Crispin Anthony Leigh RESIGNED | Director | 15 Jan 1998 | 31 Jul 1999 | | July 1940 | Rose Cottage, Blackstone Lane Albourne, Hassocks, West Sussex, BN6 9JD |
| BOND, Graham Derek RESIGNED | Director | 01 Apr 1993 | 30 Apr 1994 | England | February 1951 | 7 Sadler Close, Adel, Leeds, West Yorkshire, LS16 8NN |
| BOOTH, Alwyne RESIGNED | Director | 28 Jan 1999 | 29 Jan 1999 | | December 1939 | 21a Common End, Flockton, Wakefield, West Yorkshire, WF4 4DB |
| BOOTH, Alwyne RESIGNED | Director | 19 Aug 1998 | 19 Aug 1998 | | December 1934 | 21a Common End, Flockton, Wakefield, West Yorkshire, WF4 4DB |
| BOOTH, Alwyne RESIGNED | Director | 16 Mar 1998 | 17 Mar 1998 | | December 1934 | 21a Common End, Flockton, Wakefield, West Yorkshire, WF4 4DB |
| BOOTH, Alwyne RESIGNED | Director | 14 Jul 1997 | 15 Jul 1997 | | December 1934 | 21a Common End, Flockton, Wakefield, West Yorkshire, WF4 4DB |
| BOOTH, Alwyne RESIGNED | Director | 26 Mar 1997 | 15 Jul 1997 | | December 1939 | 21a Common End, Flockton, Wakefield, West Yorkshire, WF4 4DB |
| BOOTH, Alwyne RESIGNED | Director | 15 Apr 1996 | 15 Apr 1996 | | December 1939 | 21a Wakefield Road, Flockton, Wakefield, West Yorkshire, WF4 4BD |
| BOOTH, Alwyne RESIGNED | Director | 21 Mar 1996 | 22 Mar 1996 | | December 1939 | 21a Common End, Flockton, Wakefield, West Yorkshire, WF4 4DB |
| BOTT, Stephen John RESIGNED | Director | 07 Mar 2001 | 24 Oct 2003 | United Kingdom | November 1951 | Acorns, The Fairway Busbridge, Godalming, Surrey, GU7 1PG |
| BOTT, Stephen John RESIGNED | Director | 18 Feb 1999 | 19 Feb 1999 | United Kingdom | November 1951 | Acorns, The Fairway Busbridge, Godalming, Surrey, GU7 1PG |
| BOX, Stephen John RESIGNED | Director | 04 Aug 1997 | 20 Jul 1998 | | September 1950 | Haresfield Badgers Road, Badgers Mount, Sevenoaks, Kent, TN14 7AY |
| BOYD, Gordon Alexander RESIGNED | Director | 03 Mar 1997 | 01 Apr 1998 | | February 1960 | 12 King Malcolm Close, Edinburgh, EH10 7JB |
| BOYD, Gordon Alexander RESIGNED | Director | 13 Sep 1995 | 14 Sep 1995 | | February 1960 | 34 Great Brockeridge, Bristol, Avon, BS9 3TZ |
| BRADLEY, Eamon RESIGNED | Director | 02 Sep 1993 | 03 May 1995 | | March 1948 | 19 The Murren, Wallingford, Oxfordshire, OX10 9DZ |
| BRAMHILL, George RESIGNED | Director | 15 Dec 1995 | 31 Jan 1998 | | February 1957 | The Brick House, Tyndales Meadow, Dinton, Salisbury, Wiltshire, SP3 5HU |
| BROWN, Fiona RESIGNED | Director | 13 Jul 2010 | 27 May 2016 | United Kingdom | August 1966 | Electricity North West Limited, 304 Bridgewater Place, Warrington, Cheshire, WA3 6XG |
| BURNETT, Nigel Peter RESIGNED | Director | 04 May 1995 | 20 Jun 1997 | England | May 1952 | 1 Ridgeway, Wargrave, Reading, Berkshire, RG10 8AS |
| BURTON, Robert RESIGNED | Director | 25 Feb 1994 | 07 Jan 1995 | | August 1944 | 8 Gallus Close, Winchmore Hill, London, N21 1JR |
| BYRNE, Malcolm Ronald George RESIGNED | Director | 04 May 1995 | 08 Mar 1996 | | May 1942 | 5 Raincliffe Close, Aynho, Banbury, Oxfordshire, OX17 3SB |
| BYSOUTH, Guy Martin RESIGNED | Director | 09 May 2018 | 06 May 2022 | United Kingdom | January 1972 | National Grid, 1-3 Strand, London, WC2N 5EH, United Kingdom |
| CAMPBELL, Jeremy George Mungo RESIGNED | Director | 01 Dec 1992 | 22 Dec 1998 | | April 1948 | The Mount Corby Glen, Grantham, Lincolnshire, NG33 4NB |
| CARUS, Alexander Michael RESIGNED | Director | | 31 Jan 1994 | | November 1940 | 13 Ascott Gardens, West Bridgford, Nottingham, NG2 7TH |
| CHAPMAN, Emma RESIGNED | Director | 05 Dec 2016 | 06 Mar 2019 | United Kingdom | June 1970 | Eon Uk, Westwood Business Park, Coventry, CV4 8LG, United Kingdom |
| CHAPMAN, Peter Lawton RESIGNED | Director | 01 Jun 1993 | 02 Jan 1997 | | September 1936 | 4 Ashleigh Road, Solihull, West Midlands, B91 1AE |
| CHART, Alan David RESIGNED | Director | 11 Feb 2013 | 13 Oct 2017 | United Kingdom | May 1952 | Senator House, 85 Queen Victoria Street, London, England, EC4V 4DP, England |
| CHECKLEY, Michael John RESIGNED | Director | 10 Mar 2000 | 01 Oct 2013 | United Kingdom | May 1959 | 10 Watch Elm Close, Bradley Stoke, Bristol, Avon, BS32 8AN |
| CLARKE, Mary Delia RESIGNED | Director | 14 Jan 2009 | 05 Dec 2016 | England | November 1964 | 65 Langfield Road, Knowle, Solihull, West Midlands, B93 9PS |
| COLEMAN, Anthony William John RESIGNED | Director | 01 Apr 1993 | 31 Dec 1997 | | May 1949 | Darley Green House, 17 Bakers Lane, Knowle, Solihull, West Midlands, B93 8PW |
| CORBETT, Joyce Morag RESIGNED | Director | 01 Apr 2012 | 07 Dec 2017 | England | December 1955 | C/O Equiniti David Venus Limited, 42-50 Hersham Road, Walton-On-Thames, Surrey, England, KT12 1RZ, England |
| CROFT, Margaret Elizabeth RESIGNED | Director | 03 May 1994 | 17 Nov 1995 | | February 1954 | 15 Burfield Drive, Appleton, Warrington, Cheshire, WA4 5DB |
| CROSLAND, Stephen RESIGNED | Director | 02 Jun 2003 | 14 Mar 2005 | | April 1958 | 2 Woodlands, Gosforth, Newcastle Upon Tyne, Tyne & Wear, NE3 4YN |
| CURTHOYS, Michael John RESIGNED | Director | 01 May 1998 | 02 Jun 2003 | Uk | November 1952 | 5 Clipstone Close, Throckley, Newcastle Upon Tyne, NE15 9LU |
| CUTTER, Ian Michael RESIGNED | Director | 01 Nov 2006 | 27 Feb 2023 | England | June 1959 | 14 Summerhill Road, Lansdown, Bath, BA1 2UR |
| DAVIES, Edward Hugh RESIGNED | Director | 18 Nov 2013 | 30 Jun 2022 | United Kingdom | November 1960 | National Grid Plc, 1-3 The Strand, London, WC2N 5EH, United Kingdom |
| DAVIS, Michael RESIGNED | Director | 09 Jun 1993 | 10 Jun 1993 | | March 1942 | 37 Mayflower Drive, Marford, Wrexham, Clwyd, LL12 8LD |
| DAVIS, Robert Peter RESIGNED | Director | 30 Apr 2009 | 31 Oct 2016 | United Kingdom | December 1965 | 28, Parc Y Llan, Cilcain, Mold, Clwyd, CH7 5NF |
| DAWSON, Neil RESIGNED | Director | 22 Mar 2010 | 24 Feb 2017 | England | April 1957 | 98, Aketon Road, Castleford, West Yorkshire, WF10 5DS |
| DEANE, John Wesley RESIGNED | Director | | 28 May 1996 | | November 1944 | Nottwood Nottwood Lane, Stoke Row, Henley On Thames, Oxfordshire, RG9 5PS |
| DEARDEN, Joseph Francis RESIGNED | Director | 27 Feb 1997 | 31 Oct 1998 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 21 Mar 1996 | 16 Apr 1996 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 06 Mar 1996 | 07 Mar 1996 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 23 Jan 1996 | 24 Jan 1996 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 13 Sep 1995 | 14 Sep 1995 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 25 Apr 1995 | 31 Aug 1995 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 07 Dec 1994 | 08 Dec 1994 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 14 Sep 1994 | 15 Sep 1994 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 08 Sep 1993 | 10 Mar 1994 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 09 Jun 1993 | 10 Jun 1993 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DEARDEN, Joseph Francis RESIGNED | Director | 17 Feb 1993 | 18 Feb 1993 | | October 1953 | 8 Churchfields, Croft, Warrington, Cheshire, WA3 7JR |
| DONNELLY, Andrew Gerard RESIGNED | Director | 31 Dec 1997 | 29 Jun 2001 | England | August 1955 | 2 Roundhead Fold, Apperley Bridge, Bradford, West Yorkshire, BD10 0UG |
| DOUGHERTY, Russell Alexander RESIGNED | Director | 01 Jul 2014 | 30 Apr 2026 | United Kingdom | June 1983 | 98, Aketon Road, Castleford, West Yorkshire, WF10 5DS, United Kingdom |
| DRANSFIELD, Graham RESIGNED | Director | 19 Aug 1998 | 22 Mar 2010 | England | March 1951 | 18, Downs Hill, Beckenham, Kent, BR3 5HB |