Nil kWh m (3,100kWh) Nil kWh m (4,200kWh)
North West £180.11 £983.51 £180.09 £1,223.85
Northern £199.73 £984.37 £199.67 £1,222.70
Yorkshire £194.75 £977.72 £194.69 £1,218.15
Northern Scotland £206.48 £1,011.37 £206.41 £1,255.73
Southern £173.76 £985.98 £173.74 £1,230.20
Southern Scotland £215.87 £1,009.59 £215.80 £1,249.20
N Wales and Mersey £216.31 £1,050.62 £216.26 £1,298.59
London £133.89 £973.20 £133.96 £1,220.55
South East £165.40 £994.92 £165.41 £1,240.45
Eastern £153.02 £977.68 £153.05 £1,223.05
East Midlands £176.27 £966.32 £176.25 £1,207.48
Midlands £189.02 £981.81 £188.98 £1,224.00
Southern Western £204.04 £1,006.64 £203.99 £1,246.73
South Wales £188.50 £998.88 £188.47 £1,242.04