| SWAN, Colin Charles ACTIVE | Secretary | 07 Jul 2023 | | | | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| BEATTIE, Martin ACTIVE | Director | 14 Oct 2019 | | Scotland | March 1981 | Grampian House, 200 Dunkeld Road, Perth, PH1 3GH, Scotland |
| CRYANS, Charles ACTIVE | Director | 18 Jan 2022 | | United Kingdom | June 1963 | 1, Waterloo Street, Glasgow, G2 6AY, United Kingdom |
| DE AZEVEDO DENT, Kelly ACTIVE | Director | 04 Nov 2025 | | England | December 1971 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| HAYWARD, Mark Richard ACTIVE | Director | 11 Nov 2019 | | United Kingdom | November 1963 | Fiddler's Ferry Power Station, Widnes Road, Cuerdley, Warrington, WA5 2UT, United Kingdom |
| MACKAY, Mandy ACTIVE | Director | 17 May 2022 | | United Kingdom | January 1976 | Grampian House, 200 Dunkeld Road, Perth, PH1 3GH, Scotland |
| MCCUTCHEON, Finlay Alexander ACTIVE | Director | 06 Jul 2024 | | Scotland | November 1977 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| RUDD, Adrian Marc James ACTIVE | Director | 14 Oct 2019 | | England | May 1971 | Fiddlers Ferry Power Station, Widnes Road, Warrington, WA5 2UT, United Kingdom |
| DONNELLY, Lawrence John Vincent RESIGNED | Secretary | 13 Feb 2009 | 01 Dec 2014 | | | Inveralmond House 200, Dunkeld Road, Perth, Perthshire, PH1 3AQ |
| FAIRBAIRN, Sally RESIGNED | Secretary | 01 Dec 2014 | 07 Jul 2023 | | | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| GRAY, Ailsa Mary RESIGNED | Secretary | 03 Dec 1999 | 13 Feb 2009 | | | 27 Saint Magdalenes Road, Perth, PH2 0BT |
| JEBSON, James Francis Cameron RESIGNED | Secretary | | 31 Mar 1993 | | | 11 Essex Road, Edinburgh, Midlothian, EH4 6LF |
| WYNNE, Judith RESIGNED | Secretary | 31 Mar 1993 | 03 Dec 1999 | | | 15 Lauder Crescent, Perth, Tayside, PH1 1ST |
| ALEXANDER, Fraser Mcgregor RESIGNED | Director | 14 Oct 2002 | 13 Mar 2013 | United Kingdom | April 1963 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ |
| BRONWIN, Hannah Zoe RESIGNED | Director | 17 May 2022 | 31 Jan 2025 | England | September 1983 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| CRYANS, Charles RESIGNED | Director | 14 Oct 2019 | 24 Jun 2021 | United Kingdom | June 1963 | 1, Waterloo Street, Glasgow, G2 6AY, United Kingdom |
| DOWNES, John Anthony RESIGNED | Director | 20 Jun 2018 | 28 Aug 2019 | Scotland | May 1970 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| GILLATT, Michael RESIGNED | Director | 14 Oct 2019 | 16 Dec 2020 | United Kingdom | December 1971 | Sse Gas Storage, Garton Road, Hull, HU11 4QB, United Kingdom |
| GRAY, Ann Miriam Georgina RESIGNED | Director | 14 Oct 2019 | 17 Apr 2025 | Scotland | April 1967 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| GRAY, David Mclaren RESIGNED | Director | 30 Jul 1998 | 08 Oct 1999 | Scotland | November 1951 | Dykeneuk, Butterstone, Dunkeld, Perthshire, PH8 0HA |
| GRAY, John Bullard RESIGNED | Director | | 30 Jul 1998 | | July 1941 | Highfield, Brae Street, Dunkeld, Perthshire, PH8 0BA |
| HONEYMAN, Alexander Hughes RESIGNED | Director | 07 Jun 2017 | 14 Oct 2019 | United Kingdom | February 1960 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| JOHNSON, John RESIGNED | Director | 14 Oct 2019 | 06 Jan 2026 | Ireland | November 1976 | Red Oak South, South County Business Park, Leopardstown, Dublin, 18, Ireland |
| MARCHANT, Ian Derek RESIGNED | Director | 08 Oct 1999 | 14 Oct 2002 | United Kingdom | February 1961 | 45 Craigcrook Road, Edinburgh, Midlothian, EH4 3PH |
| MILNE, Christopher David RESIGNED | Director | 13 Mar 2013 | 19 Jun 2015 | United Kingdom | May 1979 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| MORGAN, Iwan Rees RESIGNED | Director | 13 Jul 2016 | 14 Oct 2019 | Scotland | January 1961 | Grampian House, 200 Dunkeld Road, Perth, PH1 3GH, Scotland |
| RAW, Catherine RESIGNED | Director | 07 Jul 2022 | 04 Apr 2024 | England | June 1981 | Sse, 111, Buckingham Palace Road, London, SW1W 0SR, England |
| READ, Arnold Wadkin, Dr RESIGNED | Director | | 07 Nov 1997 | | October 1937 | 8 Gillespie Road, Edinburgh, Lothian, EH13 0LL |
| ROSE, Stephen Paul RESIGNED | Director | 07 Jun 2017 | 20 Jun 2018 | England | October 1970 | Orbis Energy Building, Wilde Street, Lowestoft, Suffolk, NR32 1XH, United Kingdom |
| SIGSWORTH, David, Prof. RESIGNED | Director | | 31 Mar 2005 | United Kingdom | July 1946 | 9 Station Road, South Queensferry, West Lothian, EH30 9HY |
| SMITH, Paul Richard RESIGNED | Director | 15 Apr 2005 | 13 Jul 2016 | United Kingdom | January 1963 | Grampian House, 200 Dunkeld Road, Perth, PH1 3GH |
| STANWIX, Rhys Gordon RESIGNED | Director | 13 Mar 2013 | 15 Feb 2017 | Scotland | September 1964 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| WHEELER, Stephen RESIGNED | Director | 14 Oct 2019 | 16 Dec 2021 | Ireland | February 1973 | Red Oak South, South County Business Park, Leopardstown, Dublin, 18, Ireland |
| YOUNG, Alan Moffat RESIGNED | Director | | 31 Oct 1994 | Scotland | July 1937 | 46 Allan Road, Killearn, Glasgow, Lanarkshire, G63 9QE |
| YOUNG, Arnold Roger Alexander RESIGNED | Director | | 21 Jan 1999 | | January 1944 | Lossiehall, Liff, Dundee, DD2 5NJ |
| ZAKIR, Zahida RESIGNED | Director | 22 Jun 2021 | 11 Nov 2025 | England | October 1969 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |