| Province | Rendement moyen mensuel | Rendement 12 mois précédent |
|---|
| UK - (England) : Bedfordshire | - | - |
| UK - (England) : Berkshire | - | 974 Wh/Wc |
| UK - (England) : Buckinghamshire | - | - |
| UK - (England) : Cambridgeshire | - | 990 Wh/Wc |
| UK - (England) : Cheshire | - | - |
| UK - (England) : Cumberland | - | 1846 Wh/Wc |
| UK - (England) : Devon | - | 1005 Wh/Wc |
| UK - (England) : Dorset | - | 1025 Wh/Wc |
| UK - (England) : Durham | - | - |
| UK - (England) : Essex | - | 1119 Wh/Wc |
| UK - (England) : Gloucestershire | - | - |
| UK - (England) : Hampshire | - | 1066 Wh/Wc |
| UK - (England) : Herefordshire | - | 949 Wh/Wc |
| UK - (England) : Hertfordshire | - | - |
| UK - (England) : Kent | - | 1072 Wh/Wc |
| UK - (England) : Lancashire | - | - |
| UK - (England) : Leicestershire | - | 847 Wh/Wc |
| UK - (England) : Lincolnshire | - | 868 Wh/Wc |
| UK - (England) : Middlesex | - | 929 Wh/Wc |
| UK - (England) : Norfolk | - | 784 Wh/Wc |
| UK - (England) : Northamptonshire | - | - |
| UK - (England) : Northumberland | - | 766 Wh/Wc |
| UK - (England) : Nottinghamshire | - | - |
| UK - (England) : Oxfordshire | - | 1028 Wh/Wc |
| UK - (England) : Shropshire | - | - |
| UK - (England) : Somerset | - | - |
| UK - (England) : Staffordshire | - | - |
| UK - (England) : Suffolk | - | 830 Wh/Wc |
| UK - (England) : Surrey | - | - |
| UK - (England) : Sussex | - | 902 Wh/Wc |
| UK - (England) : Warwickshire | - | - |
| UK - (England) : West Midlands | - | - |
| UK - (England) : Westmorland | - | - |
| UK - (England) : Wiltshire | - | 930 Wh/Wc |
| UK - (England) : Worcestershire | - | 993 Wh/Wc |
| UK - (England) : Yorkshire | - | 972 Wh/Wc |
| UK - (Northern Ireland) : Fermanagh | - | 769 Wh/Wc |
| UK - (Scotland) : Aberdeenshire | - | - |
| UK - (Scotland) : Angus/Forfarshire | - | - |
| UK - (Scotland) : Ayrshire | - | 748 Wh/Wc |
| UK - (Scotland) : Banffshire | - | - |
| UK - (Scotland) : Caithness | - | - |
| UK - (Scotland) : Dumfriesshire | - | - |
| UK - (Scotland) : Dunbartonshire/Dumbartonshire | - | - |
| UK - (Scotland) : East Lothian/Haddingtonshire | - | - |
| UK - (Scotland) : Fife | - | - |
| UK - (Scotland) : Inverness-shire | - | - |
| UK - (Scotland) : Lanarkshire | - | 788 Wh/Wc |
| UK - (Scotland) : Midlothian/Edinburghshire | - | - |
| UK - (Scotland) : Perthshire | - | - |
| UK - (Scotland) : Renfrewshire | - | - |
| UK - (Scotland) : Ross-shire | - | - |
| UK - (Scotland) : Stirlingshire | - | - |
| UK - (Scotland) : Sutherland | - | - |
| UK - (Scotland) : West Lothian/Linlithgowshire | - | 708 Wh/Wc |
| UK - (Wales) : Anglesey | - | - |
| UK - (Wales) : Denbighshire | - | - |
| UK - (Wales) : Glamorgan | - | - |
| UK - (Wales) : Monmouthshire | - | - |
| UK - (Wales) : Montgomeryshire | - | - |
| UK - (Wales) : Pembrokeshire | - | - |